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Bravais lattice

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3300: 393:. The latter requirement is necessary since there are crystals that can be described by more than one combination of a lattice and a basis. For example, a crystal, viewed as a lattice with a single kind of atom located at every lattice point (the simplest basis form), may also be viewed as a lattice with a basis of two atoms. In this case, a primitive unit cell is a unit cell having only one lattice point in the first way of describing the crystal in order to ensure the smallest unit cell volume. 609:
recognize that some lattices have inherent symmetry. One can impose conditions on the length of the primitive translation vectors and on the angle between them to produce various symmetric lattices. These symmetries themselves are categorized into different types, such as point groups (which includes mirror symmetries, inversion symmetries and rotation symmetries) and translational symmetries. Thus, lattices can be categorized based on what point group or translational symmetry applies to them.
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conventionally all lattices that don't fall into any of the other point groups) are called oblique lattices. From there, there are 4 further combinations of point groups with translational elements (or equivalently, 4 types of restriction on the lengths/angles of the primitive translation vectors) that correspond to the 4 remaining lattice categories: square, hexagonal, rectangular, and centered rectangular. Thus altogether there are 5 Bravais lattices in 2 dimensions.
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each axis while keeping the lattice points fixed. Roughly speaking, this can be thought of as moving the unit cell slightly left, slightly down, and slightly out of the screen. This shows that only one of the eight corner lattice points (specifically the front, left, bottom one) belongs to the given unit cell (the other seven lattice points belong to adjacent unit cells). In addition, only one of the two lattice points shown on the top and bottom face in the
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one of the four lattice points technically belongs to a given unit cell and each of the other three lattice points belongs to one of the adjacent unit cells. This can be seen by imagining moving the unit cell parallelogram slightly left and slightly down while leaving all the black circles of the lattice points fixed.
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is the chosen primitive vector. This primitive cell does not always show the clear symmetry of a given crystal. In this case, a conventional unit cell easily displaying the crystal symmetry is often used. The conventional unit cell volume will be an integer-multiple of the primitive unit cell volume.
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Despite this rigid minimum-size requirement, there is not one unique choice of primitive unit cell. In fact, all cells whose borders are primitive translation vectors will be primitive unit cells. The fact that there is not a unique choice of primitive translation vectors for a given lattice leads to
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There are clearly many choices of cell that can reproduce the whole lattice when stacked (two lattice halves, for instance), and the minimum size requirement distinguishes the primitive cell from all these other valid repeating units. If the lattice or crystal is 2-dimensional, the primitive cell has
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There are mainly two types of unit cells: primitive unit cells and conventional unit cells. A primitive cell is the very smallest component of a lattice (or crystal) which, when stacked together with lattice translation operations, reproduces the whole lattice (or crystal). Note that the translations
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In the unit cell diagrams in the following table the lattice points are depicted using black circles and the unit cells are depicted using parallelograms (which may be squares or rectangles) outlined in black. Although each of the four corners of each parallelogram connects to a lattice point, only
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Some basic information for the lattice systems and Bravais lattices in three dimensions is summarized in the diagram at the beginning of this page. The seven sided polygon (heptagon) and the number 7 at the centre indicate the seven lattice systems. The inner heptagons indicate the lattice angles,
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Primitive unit cells are defined as unit cells with the smallest volume for a given crystal. (A crystal is a lattice and a basis at every lattice point.) To have the smallest cell volume, a primitive unit cell must contain (1) only one lattice point and (2) the minimum amount of basis constituents
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In the unit cell diagrams in the following table all the lattice points on the cell boundary (corners and faces) are shown; however, not all of these lattice points technically belong to the given unit cell. This can be seen by imagining moving the unit cell slightly in the negative direction of
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Likewise, in 3 dimensions, there are 14 Bravais lattices: 1 general "wastebasket" category (triclinic) and 13 more categories. These 14 lattice types are classified by their point groups into 7 lattice systems (triclinic, monoclinic, orthorhombic, tetragonal, cubic, rhombohedral, and hexagonal).
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In two dimensions, any lattice can be specified by the length of its two primitive translation vectors and the angle between them. There are an infinite number of possible lattices one can describe in this way. Some way to categorize different types of lattices is desired. One way to do so is to
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Not all combinations of lattice systems and centering types are needed to describe all of the possible lattices, as it can be shown that several of these are in fact equivalent to each other. For example, the monoclinic I lattice can be described by a monoclinic C lattice by different choice of
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There can be more than one way to choose a primitive cell for a given crystal and each choice will have a different primitive cell shape, but the primitive cell volume is the same for every choice and each choice will have the property that a one-to-one correspondence can be established between
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In two dimensions, the most basic point group corresponds to rotational invariance under 2π and π, or 1- and 2-fold rotational symmetry. This actually applies automatically to all 2D lattices, and is the most general point group. Lattices contained in this group (technically all lattices, but
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Another way of defining the size of a primitive cell that avoids invoking lattice translation operations, is to say that the primitive cell is the smallest possible component of a lattice (or crystal) that can be repeated to reproduce the whole lattice (or crystal),
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must be lattice translation operations that cause the lattice to appear unchanged after the translation. If arbitrary translations were allowed, one could make a primitive cell half the size of the true one, and translate twice as often, as an example.
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In crystallography, there is the concept of a unit cell which comprises the space between adjacent lattice points as well as any atoms in that space. A unit cell is defined as a space that, when translated through a subset of all vectors described by
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the multiplicity of possible primitive unit cells. Conventional unit cells, on the other hand, are not necessarily minimum-size cells. They are chosen purely for convenience and are often used for illustration purposes. They are loosely defined.
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crystal axes. Similarly, all A- or B-centred lattices can be described either by a C- or P-centering. This reduces the number of combinations to 14 conventional Bravais lattices, shown in the table below. Below each diagram is the
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Bravais, A. (1850). "Mémoire sur les systèmes formés par les points distribués régulièrement sur un plan ou dans l'espace" [Memoir on the systems formed by points regularly distributed on a plane or in space].
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primitive unit cells and discrete lattice points over the associated lattice. All primitive unit cells with different shapes for a given crystal have the same volume by definition; For a given crystal, if
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Base-centered (S: A, B, or C): lattice points on the cell corners with one additional point at the center of each face of one pair of parallel faces of the cell (sometimes called end-centered)
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formed by a chosen set of primitive translation vectors. (Again, these vectors must make a lattice with the minimum amount of basis constituents.) That is, the set of all points
1733: 877: 591: 562: 385:(e.g., the minimum number of atoms in a basis). For the former requirement, counting the number of lattice points in a unit cell is such that, if a lattice point is shared by 1880: 70: 2178: 951: 431: 262: 1807: 910: 3439: 3626: 3351: 244:. In the context of the space group classification, the Bravais lattices are also called Bravais classes, Bravais arithmetic classes, or Bravais flocks. 3517: 2809: 2622: 2285: 61: 3616: 3608: 3669: 3647: 2538: 2509: 2458: 3662: 3512: 3178: 3043: 2892: 1945: 3652: 3550: 3246: 2449: 2899: 3674: 3532: 3502: 3431: 2246:
In four dimensions, there are 64 Bravais lattices. Of these, 23 are primitive and 41 are centered. Ten Bravais lattices split into
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Face-centered (F): lattice points on the cell corners, with one additional point at the center of each of the faces of the cell
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with one of the centering types. The centering types identify the locations of the lattice points in the unit cell as follows:
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that contains exactly one lattice point. In either definition, the primitive cell is characterized by its small size.
2937: 2832: 2684: 1641:{\displaystyle abc{\sqrt {1-\cos ^{2}\alpha -\cos ^{2}\beta -\cos ^{2}\gamma +2\cos \alpha \cos \beta \cos \gamma }}} 3299: 2069: 3709: 3540: 2837: 2615: 2317: 977: 3555: 3484: 2942: 2932: 2694: 2674: 3068: 1389: 1379: 3731: 3697: 3421: 3317: 3190: 3153: 2947: 2927: 2795: 2704: 2663: 2608: 1935: 1294: 356:, fills the lattice space without overlapping or voids. (I.e., a lattice space is a multiple of a unit cell.) 3105: 3741: 3545: 3389: 3334: 3083: 3048: 3241: 1053:
In three-dimensional space there are 14 Bravais lattices. These are obtained by combining one of the seven
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Body-centered (I): lattice points on the cell corners, with one additional point at the center of the cell
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column belongs to the given unit cell. Finally, only three of the six lattice points on the faces in the
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is the density of lattice points in a lattice ensuring the minimum amount of basis constituents and
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lattice parameters, Bravais lattices and Schöenflies notations for the respective lattice systems.
714: 1269: 1177: 3588: 3399: 3344: 2887: 2280: 2221: 1669: 722: 709: 1310: 635:, shown in the table below. Below each diagram is the Pearson symbol for that Bravais lattice. 160:{\displaystyle \mathbf {R} =n_{1}\mathbf {a} _{1}+n_{2}\mathbf {a} _{2}+n_{3}\mathbf {a} _{3},} 3522: 3361: 3289: 3269: 2989: 2859: 2771: 2534: 2505: 2454: 2405: 1831: 1769: 775: 518:{\displaystyle \mathbf {r} =x_{1}\mathbf {a} _{1}+x_{2}\mathbf {a} _{2}+x_{3}\mathbf {a} _{3}} 349:{\displaystyle \mathbf {R} =n_{1}\mathbf {a} _{1}+n_{2}\mathbf {a} _{2}+n_{3}\mathbf {a} _{3}} 424:
Among all possible primitive cells for a given crystal, an obvious primitive cell may be the
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a minimum area; likewise in 3 dimensions the primitive cell has a minimum volume.
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The unit cells are specified according to the relative lengths of the cell edges (
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are the lattice vectors. The properties of the lattice systems are given below:
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Primitive (P): lattice points on the cell corners only (sometimes called simple)
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are the lattice vectors. The properties of the lattice systems are given below:
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adjacent unit cells around that lattice point, then the point is counted as 1/
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Two Bravais lattices are often considered equivalent if they have isomorphic
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In two-dimensional space there are 5 Bravais lattices, grouped into four
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International Tables for Crystallography, Volume A: Space Group Symmetry
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The seven lattice systems and their Bravais lattices in three dimensions
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Brown, Harold; BĂĽlow, Rolf; NeubĂĽser, Joachim; Wondratschek, Hans;
3469: 2787: 2600: 1465:. The volume of the unit cell can be calculated by evaluating the 1038: 230: 31: 2453:(Seventh ed.). New York: John Wiley & Sons. p. 10. 799:). The area of the unit cell can be calculated by evaluating the 60:), is an infinite array of discrete points generated by a set of 2775: 2765: 2745: 2724: 218: 2791: 2604: 2576:(English: Memoir 1, Crystallographic Society of America, 1949). 2316:
Aroyo, Mois I.; MĂĽller, Ulrich; Wondratschek, Hans (2006).
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Zeitschrift für Kristallographie – New Crystal Structures
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The Bravais lattice concept is used to formally define a
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Zeitschrift für Kristallographie – Crystalline Materials
2487: 233:, and the lattice provides the locations of the basis. 3459: 2427:"Materials & Solid State Chemistry (course notes)" 2159: 2072: 1948: 1858: 1789: 1705: 1531: 980: 932: 895: 852: 570: 531: 434: 265: 73: 3640: 3607: 3579: 3531: 3483: 3430: 3377: 3308: 3091: 3082: 3005: 2913: 2858: 2825: 2734: 2656: 417:, so every primitive cell has the same volume of 1/ 64:operations described in three dimensional space by 2172: 2101: 2012: 1874: 1801: 1727: 1640: 1405:which are the relative lengths of the cell edges ( 1006: 945: 904: 871: 585: 556: 517: 348: 159: 2531:Crystallographic groups of four-dimensional space 2492:. Vol. A (5th ed.). Berlin, New York: 2404:. Saunders College Publishing. pp. 71–72. 405:is the volume of a chosen primitive cell, then 2102:{\displaystyle {\frac {\sqrt {3}}{2}}\,a^{2}c} 1401:The unit cells are specified according to six 2803: 2616: 1007:{\displaystyle {\frac {\sqrt {3}}{2}}\,a^{2}} 8: 205:is made up of one or more atoms, called the 3637: 3088: 2910: 2855: 2810: 2796: 2788: 2623: 2609: 2601: 2587:Catalogue of Lattices (by Nebe and Sloane) 2400:Ashcroft, Neil; Mermin, Nathaniel (1976). 2333: 2164: 2158: 2090: 2085: 2073: 2071: 1996: 1974: 1959: 1953: 1947: 1863: 1857: 1788: 1715: 1704: 1591: 1572: 1553: 1541: 1530: 998: 993: 981: 979: 937: 931: 894: 859: 851: 577: 572: 569: 542: 530: 509: 504: 497: 484: 479: 472: 459: 454: 447: 435: 433: 340: 335: 328: 315: 310: 303: 290: 285: 278: 266: 264: 148: 143: 136: 123: 118: 111: 98: 93: 86: 74: 72: 2322:International Tables for Crystallography 2286:Translation operator (quantum mechanics) 1497: 1096: 826: 644: 27:Geometry and crystallography point array 2308: 57: 2481: 2479: 2477: 1094:column belong to the given unit cell. 7: 3704: 3044:Phase transformation crystallography 2395: 2393: 2391: 2374:Online Dictionary of Crystallography 3551:Journal of Chemical Crystallography 2450:Introduction to Solid State Physics 25: 2533:, New York: Wiley-Interscience , 3703: 3692: 3691: 3298: 2774: 2764: 2754: 2744: 2723: 2712: 2707: 2697: 2687: 2677: 2667: 1728:{\displaystyle abc\,\sin \beta } 1388: 1378: 1366: 1336: 1309: 1280: 1268: 1244: 1234: 1224: 1214: 1186: 1176: 1146: 1045:2×2×2 unit cells of a 872:{\displaystyle ab\,\sin \theta } 769: 743: 721: 708: 682: 586:{\displaystyle \mathbf {a} _{i}} 573: 557:{\displaystyle 0\leq x_{i}<1} 505: 480: 455: 436: 336: 311: 286: 267: 144: 119: 94: 75: 1510:Axial distances (edge lengths) 1417:) and the angles between them ( 836:Axial distances (edge lengths) 3493:Bilbao Crystallographic Server 795:) and the angle between them ( 201:and its (finite) frontiers. A 1: 213:, at each lattice point. The 188:primitive translation vectors 2648:Crystallographic point group 2502:10.1107/97809553602060000100 2344:10.1107/97809553602060000537 1352: 1325: 1292: 1254: 1200: 1162: 1132: 758: 732: 697: 671: 604:Crystallographic point group 3541:Crystal Growth & Design 2833:Timeline of crystallography 2594:"The Bravais Lattices Song" 3758: 3352:Nuclear magnetic resonance 2592:Smith, Walter Fox (2002). 1079:for that Bravais lattice. 624: 601: 251: 3687: 3556:Journal of Crystal Growth 3296: 2638: 2443:Kittel, Charles (1996) . 2318:"Historical Introduction" 2148: 1934: 1847: 1778: 1694: 1520: 1353: 1293: 1255: 1201: 1163: 1133: 1114: 1105: 1102: 1099: 659: 650: 647: 3422:Single particle analysis 3280:Hermann–Mauguin notation 2705:trigonal & hexagonal 2486:Hahn, Theo, ed. (2002). 2432:. UC Berkeley. Chem 253. 3546:Crystallography Reviews 3390:Isomorphous replacement 3184:Lomer–Cottrell junction 1516:Corresponding examples 199:crystalline arrangement 3059:Spinodal decomposition 2291:Translational symmetry 2174: 2103: 2014: 1876: 1875:{\displaystyle a^{2}c} 1803: 1729: 1642: 1050: 1008: 947: 906: 873: 587: 558: 519: 350: 177:are any integers, and 161: 37: 3599:Gregori Aminoff Prize 3395:Molecular replacement 2425:Peidong Yang (2016). 2175: 2173:{\displaystyle a^{3}} 2104: 2015: 1877: 1804: 1730: 1643: 1457:is the angle between 1445:is the angle between 1433:is the angle between 1044: 1009: 948: 946:{\displaystyle a^{2}} 907: 874: 727:Centered rectangular 625:Further information: 588: 559: 520: 351: 162: 35: 2905:Structure prediction 2157: 2070: 1946: 1856: 1787: 1703: 1529: 1115:14 Bravais lattices 978: 930: 893: 850: 568: 529: 432: 263: 71: 62:discrete translation 3169:Cottrell atmosphere 3149:Partial dislocation 2893:Restriction theorem 2402:Solid State Physics 1802:{\displaystyle abc} 1110:Schönflies notation 660:5 Bravais lattices 655:Schönflies notation 380:Primitive unit cell 54:Auguste Bravais 18:Crystalline lattice 3589:Carl Hermann Medal 3400:Molecular dynamics 3247:Defects in diamond 3242:Stone–Wales defect 2888:Reciprocal lattice 2850:Biocrystallography 2568:J. École Polytech. 2281:Reciprocal lattice 2170: 2099: 2010: 1872: 1799: 1750:Monoclinic sulphur 1725: 1638: 1403:lattice parameters 1129:Face-centered (F) 1126:Body-centered (I) 1123:Base-centered (S) 1051: 1004: 943: 905:{\displaystyle ab} 902: 869: 583: 554: 515: 346: 157: 38: 3719: 3718: 3683: 3682: 3290:Thermal ellipsoid 3255: 3254: 3164:Frank–Read source 3124: 3123: 2990:Aperiodic crystal 2956: 2955: 2838:Crystallographers 2785: 2784: 2540:978-0-471-03095-9 2511:978-0-7923-6590-7 2460:978-0-471-11181-8 2235: 2234: 2083: 2079: 2008: 1636: 1399: 1398: 1032: 1031: 991: 987: 785: 784: 699:Orthorhombic (o) 598:Origin of concept 409:= 1 resulting in 192:primitive vectors 16:(Redirected from 3749: 3707: 3706: 3695: 3694: 3638: 3561:Kristallografija 3415:Gerchberg–Saxton 3310:Characterisation 3302: 3285:Structure factor 3089: 3074:Ostwald ripening 2911: 2856: 2812: 2805: 2798: 2789: 2778: 2768: 2758: 2748: 2727: 2716: 2711: 2701: 2691: 2681: 2671: 2657:Seven 3D systems 2625: 2618: 2611: 2602: 2597: 2575: 2552: 2551: 2527:Zassenhaus, Hans 2522: 2516: 2515: 2483: 2472: 2471: 2469: 2467: 2440: 2434: 2433: 2431: 2422: 2416: 2415: 2397: 2386: 2385: 2383: 2381: 2366: 2360: 2359: 2357: 2355: 2346:. Archived from 2337: 2313: 2271:einstein problem 2179: 2177: 2176: 2171: 2169: 2168: 2108: 2106: 2105: 2100: 2095: 2094: 2084: 2075: 2074: 2019: 2017: 2016: 2011: 2009: 2001: 2000: 1979: 1978: 1960: 1958: 1957: 1881: 1879: 1878: 1873: 1868: 1867: 1808: 1806: 1805: 1800: 1734: 1732: 1731: 1726: 1647: 1645: 1644: 1639: 1637: 1596: 1595: 1577: 1576: 1558: 1557: 1542: 1498: 1482: 1392: 1382: 1370: 1340: 1313: 1284: 1272: 1248: 1238: 1228: 1218: 1190: 1180: 1150: 1097: 1043: 1013: 1011: 1010: 1005: 1003: 1002: 992: 983: 982: 952: 950: 949: 944: 942: 941: 911: 909: 908: 903: 878: 876: 875: 870: 827: 815: 813: 773: 747: 725: 712: 686: 645: 592: 590: 589: 584: 582: 581: 576: 563: 561: 560: 555: 547: 546: 524: 522: 521: 516: 514: 513: 508: 502: 501: 489: 488: 483: 477: 476: 464: 463: 458: 452: 451: 439: 355: 353: 352: 347: 345: 344: 339: 333: 332: 320: 319: 314: 308: 307: 295: 294: 289: 283: 282: 270: 166: 164: 163: 158: 153: 152: 147: 141: 140: 128: 127: 122: 116: 115: 103: 102: 97: 91: 90: 78: 21: 3757: 3756: 3752: 3751: 3750: 3748: 3747: 3746: 3732:Crystallography 3722: 3721: 3720: 3715: 3679: 3636: 3603: 3575: 3527: 3479: 3450:CrystalExplorer 3426: 3410:Phase retrieval 3373: 3304: 3303: 3294: 3251: 3230:Schottky defect 3129:Perfect crystal 3120: 3116:Abnormal growth 3078: 3064:Supersaturation 3027:Miscibility gap 3008: 3001: 2952: 2909: 2873:Bravais lattice 2854: 2821: 2819:Crystallography 2816: 2786: 2781: 2735:Four 2D systems 2730: 2652: 2643:Bravais lattice 2634: 2632:Crystal systems 2629: 2591: 2583: 2564: 2561: 2559:Further reading 2556: 2555: 2541: 2524: 2523: 2519: 2512: 2494:Springer-Verlag 2485: 2484: 2475: 2465: 2463: 2461: 2442: 2441: 2437: 2429: 2424: 2423: 2419: 2412: 2399: 2398: 2389: 2379: 2377: 2370:"Bravais class" 2368: 2367: 2363: 2353: 2351: 2335:10.1.1.471.4170 2315: 2314: 2310: 2305: 2300: 2256: 2244: 2242:In 4 dimensions 2160: 2155: 2154: 2086: 2068: 2067: 2054: 1992: 1970: 1949: 1944: 1943: 1929: 1922: 1915: 1859: 1854: 1853: 1842: 1835: 1828:Rhombic sulphur 1785: 1784: 1773: 1765: 1761: 1757: 1701: 1700: 1689: 1685: 1677: 1673: 1666: 1662: 1658: 1587: 1568: 1549: 1527: 1526: 1504:Lattice system 1501:Crystal family 1469: 1363: 1333: 1306: 1265: 1211: 1173: 1143: 1107: 1103:Lattice system 1100:Crystal family 1055:lattice systems 1039: 1037: 1035:In 3 dimensions 994: 976: 975: 933: 928: 927: 891: 890: 848: 847: 830:Lattice system 805: 803: 778: 774: 766: 752: 748: 740: 734:Tetragonal (t) 728: 726: 717: 713: 705: 691: 687: 679: 673:Monoclinic (m) 652: 648:Lattice system 633:lattice systems 629: 627:Lattice (group) 623: 621:In 2 dimensions 606: 600: 571: 566: 565: 538: 527: 526: 503: 493: 478: 468: 453: 443: 430: 429: 382: 334: 324: 309: 299: 284: 274: 261: 260: 256: 250: 238:symmetry groups 217:may consist of 185: 175: 142: 132: 117: 107: 92: 82: 69: 68: 50:Bravais lattice 46:crystallography 28: 23: 22: 15: 12: 11: 5: 3755: 3753: 3745: 3744: 3742:Lattice points 3739: 3734: 3724: 3723: 3717: 3716: 3714: 3713: 3701: 3688: 3685: 3684: 3681: 3680: 3678: 3677: 3672: 3667: 3666: 3665: 3660: 3655: 3644: 3642: 3635: 3634: 3629: 3624: 3619: 3613: 3611: 3605: 3604: 3602: 3601: 3596: 3591: 3585: 3583: 3577: 3576: 3574: 3573: 3568: 3563: 3558: 3553: 3548: 3543: 3537: 3535: 3529: 3528: 3526: 3525: 3520: 3515: 3510: 3505: 3500: 3495: 3489: 3487: 3481: 3480: 3478: 3477: 3472: 3467: 3462: 3457: 3452: 3447: 3442: 3436: 3434: 3428: 3427: 3425: 3424: 3419: 3418: 3417: 3407: 3402: 3397: 3392: 3387: 3385:Direct methods 3381: 3379: 3375: 3374: 3372: 3371: 3370: 3369: 3364: 3354: 3349: 3348: 3347: 3342: 3332: 3331: 3330: 3325: 3314: 3312: 3306: 3305: 3297: 3295: 3293: 3292: 3287: 3282: 3277: 3272: 3270:Ewald's sphere 3267: 3262: 3256: 3253: 3252: 3250: 3249: 3244: 3239: 3238: 3237: 3232: 3222: 3221: 3220: 3215: 3213:Frenkel defect 3210: 3208:Bjerrum defect 3200: 3199: 3198: 3188: 3187: 3186: 3181: 3176: 3174:Peierls stress 3171: 3166: 3161: 3156: 3151: 3146: 3144:Burgers vector 3136: 3134:Stacking fault 3131: 3125: 3122: 3121: 3119: 3118: 3113: 3108: 3103: 3097: 3095: 3093:Grain boundary 3086: 3080: 3079: 3077: 3076: 3071: 3066: 3061: 3056: 3051: 3046: 3041: 3040: 3039: 3037:Liquid crystal 3034: 3029: 3024: 3013: 3011: 3003: 3002: 3000: 2999: 2998: 2997: 2987: 2986: 2985: 2975: 2974: 2973: 2968: 2957: 2954: 2953: 2951: 2950: 2945: 2940: 2935: 2930: 2925: 2919: 2917: 2908: 2907: 2902: 2900:Periodic table 2897: 2896: 2895: 2890: 2885: 2880: 2875: 2864: 2862: 2853: 2852: 2847: 2842: 2841: 2840: 2829: 2827: 2823: 2822: 2817: 2815: 2814: 2807: 2800: 2792: 2783: 2782: 2780: 2779: 2769: 2759: 2749: 2738: 2736: 2732: 2731: 2729: 2728: 2717: 2702: 2692: 2682: 2672: 2660: 2658: 2654: 2653: 2651: 2650: 2645: 2639: 2636: 2635: 2630: 2628: 2627: 2620: 2613: 2605: 2599: 2598: 2589: 2582: 2581:External links 2579: 2578: 2577: 2560: 2557: 2554: 2553: 2539: 2517: 2510: 2473: 2459: 2435: 2417: 2410: 2387: 2361: 2350:on 4 July 2013 2307: 2306: 2304: 2301: 2299: 2298: 2293: 2288: 2283: 2278: 2273: 2268: 2266:Crystal system 2263: 2257: 2255: 2252: 2248:enantiomorphic 2243: 2240: 2233: 2232: 2207: 2193: 2180: 2167: 2163: 2152: 2146: 2145: 2132: 2118: 2109: 2098: 2093: 2089: 2082: 2078: 2065: 2061: 2060: 2052: 2046: 2033: 2020: 2007: 2004: 1999: 1995: 1991: 1988: 1985: 1982: 1977: 1973: 1969: 1966: 1963: 1956: 1952: 1941: 1938: 1932: 1931: 1927: 1920: 1913: 1905: 1891: 1882: 1871: 1866: 1862: 1851: 1845: 1844: 1840: 1833: 1825: 1811: 1809: 1798: 1795: 1792: 1782: 1776: 1775: 1771: 1763: 1759: 1755: 1747: 1737: 1735: 1724: 1721: 1718: 1714: 1711: 1708: 1698: 1692: 1691: 1687: 1683: 1675: 1671: 1664: 1660: 1656: 1652: 1650: 1648: 1635: 1632: 1629: 1626: 1623: 1620: 1617: 1614: 1611: 1608: 1605: 1602: 1599: 1594: 1590: 1586: 1583: 1580: 1575: 1571: 1567: 1564: 1561: 1556: 1552: 1548: 1545: 1540: 1537: 1534: 1524: 1518: 1517: 1514: 1511: 1508: 1505: 1502: 1467:triple product 1397: 1396: 1386: 1376: 1374: 1364: 1361: 1358: 1351: 1350: 1348: 1346: 1344: 1334: 1331: 1328: 1324: 1323: 1321: 1319: 1317: 1307: 1304: 1301: 1298: 1291: 1290: 1288: 1278: 1276: 1266: 1263: 1260: 1253: 1252: 1242: 1232: 1222: 1212: 1209: 1206: 1199: 1198: 1196: 1194: 1184: 1174: 1171: 1168: 1161: 1160: 1158: 1156: 1154: 1144: 1141: 1138: 1131: 1130: 1127: 1124: 1121: 1120:Primitive (P) 1117: 1116: 1113: 1104: 1101: 1077:Pearson symbol 1072: 1071: 1068: 1065: 1062: 1036: 1033: 1030: 1029: 1023: 1014: 1001: 997: 990: 986: 973: 969: 968: 962: 953: 940: 936: 925: 921: 920: 914: 912: 901: 898: 888: 884: 883: 881: 879: 868: 865: 862: 858: 855: 845: 841: 840: 837: 834: 831: 783: 782: 780: 767: 764: 761: 760:Hexagonal (h) 757: 756: 754: 741: 738: 735: 731: 730: 719: 706: 703: 700: 696: 695: 693: 680: 677: 674: 670: 669: 666: 665:Primitive (p) 662: 661: 658: 649: 622: 619: 599: 596: 580: 575: 553: 550: 545: 541: 537: 534: 512: 507: 500: 496: 492: 487: 482: 475: 471: 467: 462: 457: 450: 446: 442: 438: 426:parallelepiped 381: 378: 343: 338: 331: 327: 323: 318: 313: 306: 302: 298: 293: 288: 281: 277: 273: 269: 252:Main article: 249: 246: 181: 173: 168: 167: 156: 151: 146: 139: 135: 131: 126: 121: 114: 110: 106: 101: 96: 89: 85: 81: 77: 52:, named after 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3754: 3743: 3740: 3738: 3735: 3733: 3730: 3729: 3727: 3712: 3711: 3702: 3700: 3699: 3690: 3689: 3686: 3676: 3673: 3671: 3668: 3664: 3661: 3659: 3656: 3654: 3651: 3650: 3649: 3646: 3645: 3643: 3639: 3633: 3630: 3628: 3625: 3623: 3620: 3618: 3615: 3614: 3612: 3610: 3606: 3600: 3597: 3595: 3592: 3590: 3587: 3586: 3584: 3582: 3578: 3572: 3569: 3567: 3564: 3562: 3559: 3557: 3554: 3552: 3549: 3547: 3544: 3542: 3539: 3538: 3536: 3534: 3530: 3524: 3521: 3519: 3516: 3514: 3511: 3509: 3506: 3504: 3501: 3499: 3496: 3494: 3491: 3490: 3488: 3486: 3482: 3476: 3473: 3471: 3468: 3466: 3463: 3461: 3458: 3456: 3453: 3451: 3448: 3446: 3443: 3441: 3438: 3437: 3435: 3433: 3429: 3423: 3420: 3416: 3413: 3412: 3411: 3408: 3406: 3405:Patterson map 3403: 3401: 3398: 3396: 3393: 3391: 3388: 3386: 3383: 3382: 3380: 3376: 3368: 3365: 3363: 3360: 3359: 3358: 3355: 3353: 3350: 3346: 3343: 3341: 3338: 3337: 3336: 3333: 3329: 3326: 3324: 3321: 3320: 3319: 3316: 3315: 3313: 3311: 3307: 3301: 3291: 3288: 3286: 3283: 3281: 3278: 3276: 3275:Friedel's law 3273: 3271: 3268: 3266: 3263: 3261: 3258: 3257: 3248: 3245: 3243: 3240: 3236: 3233: 3231: 3228: 3227: 3226: 3223: 3219: 3218:Wigner effect 3216: 3214: 3211: 3209: 3206: 3205: 3204: 3203:Interstitials 3201: 3197: 3194: 3193: 3192: 3189: 3185: 3182: 3180: 3177: 3175: 3172: 3170: 3167: 3165: 3162: 3160: 3157: 3155: 3152: 3150: 3147: 3145: 3142: 3141: 3140: 3137: 3135: 3132: 3130: 3127: 3126: 3117: 3114: 3112: 3109: 3107: 3104: 3102: 3099: 3098: 3096: 3094: 3090: 3087: 3085: 3081: 3075: 3072: 3070: 3067: 3065: 3062: 3060: 3057: 3055: 3052: 3050: 3049:Precipitation 3047: 3045: 3042: 3038: 3035: 3033: 3030: 3028: 3025: 3023: 3020: 3019: 3018: 3017:Phase diagram 3015: 3014: 3012: 3010: 3004: 2996: 2993: 2992: 2991: 2988: 2984: 2981: 2980: 2979: 2976: 2972: 2969: 2967: 2964: 2963: 2962: 2959: 2958: 2949: 2946: 2944: 2941: 2939: 2936: 2934: 2931: 2929: 2926: 2924: 2921: 2920: 2918: 2916: 2912: 2906: 2903: 2901: 2898: 2894: 2891: 2889: 2886: 2884: 2881: 2879: 2876: 2874: 2871: 2870: 2869: 2866: 2865: 2863: 2861: 2857: 2851: 2848: 2846: 2843: 2839: 2836: 2835: 2834: 2831: 2830: 2828: 2824: 2820: 2813: 2808: 2806: 2801: 2799: 2794: 2793: 2790: 2777: 2773: 2770: 2767: 2763: 2760: 2757: 2753: 2750: 2747: 2743: 2740: 2739: 2737: 2733: 2726: 2721: 2718: 2715: 2710: 2706: 2703: 2700: 2696: 2693: 2690: 2686: 2683: 2680: 2676: 2673: 2670: 2665: 2662: 2661: 2659: 2655: 2649: 2646: 2644: 2641: 2640: 2637: 2633: 2626: 2621: 2619: 2614: 2612: 2607: 2606: 2603: 2595: 2590: 2588: 2585: 2584: 2580: 2573: 2570:(in French). 2569: 2563: 2562: 2558: 2550: 2546: 2542: 2536: 2532: 2528: 2521: 2518: 2513: 2507: 2503: 2499: 2495: 2491: 2490: 2482: 2480: 2478: 2474: 2462: 2456: 2452: 2451: 2446: 2439: 2436: 2428: 2421: 2418: 2413: 2407: 2403: 2396: 2394: 2392: 2388: 2375: 2371: 2365: 2362: 2349: 2345: 2341: 2336: 2331: 2327: 2323: 2319: 2312: 2309: 2302: 2297: 2294: 2292: 2289: 2287: 2284: 2282: 2279: 2277: 2274: 2272: 2269: 2267: 2264: 2262: 2261:Crystal habit 2259: 2258: 2253: 2251: 2249: 2241: 2239: 2231: 2227: 2223: 2219: 2215: 2211: 2208: 2205: 2201: 2197: 2194: 2192: 2188: 2184: 2181: 2165: 2161: 2153: 2151: 2147: 2144: 2140: 2136: 2133: 2130: 2126: 2122: 2119: 2117: 2113: 2110: 2096: 2091: 2087: 2080: 2076: 2066: 2063: 2062: 2058: 2050: 2047: 2045: 2041: 2037: 2034: 2032: 2028: 2024: 2021: 2005: 2002: 1997: 1993: 1989: 1986: 1983: 1980: 1975: 1971: 1967: 1964: 1961: 1954: 1950: 1942: 1940:Rhombohedral 1939: 1937: 1933: 1930: 1923: 1916: 1909: 1906: 1903: 1899: 1895: 1892: 1890: 1886: 1883: 1869: 1864: 1860: 1852: 1850: 1846: 1843: 1836: 1829: 1826: 1823: 1819: 1815: 1812: 1810: 1796: 1793: 1790: 1783: 1781: 1777: 1774: 1767: 1751: 1748: 1745: 1741: 1738: 1736: 1722: 1719: 1716: 1712: 1709: 1706: 1699: 1697: 1693: 1690: 1679: 1667: 1653: 1651: 1649: 1633: 1630: 1627: 1624: 1621: 1618: 1615: 1612: 1609: 1606: 1603: 1600: 1597: 1592: 1588: 1584: 1581: 1578: 1573: 1569: 1565: 1562: 1559: 1554: 1550: 1546: 1543: 1538: 1535: 1532: 1525: 1523: 1519: 1515: 1513:Axial angles 1512: 1509: 1506: 1503: 1500: 1499: 1496: 1494: 1490: 1486: 1480: 1476: 1472: 1468: 1464: 1460: 1456: 1452: 1448: 1444: 1440: 1436: 1432: 1428: 1424: 1420: 1416: 1412: 1408: 1404: 1395: 1391: 1387: 1385: 1381: 1377: 1375: 1373: 1369: 1365: 1359: 1356: 1349: 1347: 1345: 1343: 1339: 1335: 1329: 1326: 1322: 1320: 1318: 1316: 1312: 1308: 1302: 1300:Rhombohedral 1299: 1296: 1289: 1287: 1283: 1279: 1277: 1275: 1271: 1267: 1261: 1258: 1251: 1247: 1243: 1241: 1237: 1233: 1231: 1227: 1223: 1221: 1217: 1213: 1207: 1204: 1197: 1195: 1193: 1189: 1185: 1183: 1179: 1175: 1169: 1166: 1159: 1157: 1155: 1153: 1149: 1145: 1139: 1136: 1128: 1125: 1122: 1119: 1118: 1111: 1098: 1095: 1093: 1092:Face-centered 1089: 1088:Base-centered 1084: 1080: 1078: 1069: 1066: 1063: 1060: 1059: 1058: 1056: 1048: 1047:diamond cubic 1042: 1034: 1027: 1024: 1022: 1018: 1015: 999: 995: 988: 984: 974: 971: 970: 966: 963: 961: 957: 954: 938: 934: 926: 923: 922: 918: 915: 913: 899: 896: 889: 887:Orthorhombic 886: 885: 882: 880: 866: 863: 860: 856: 853: 846: 843: 842: 838: 835: 832: 829: 828: 825: 823: 819: 812: 808: 802: 798: 794: 790: 781: 777: 772: 768: 762: 759: 755: 751: 746: 742: 736: 733: 724: 720: 716: 711: 707: 701: 698: 694: 690: 685: 681: 675: 672: 668:Centered (c) 667: 664: 663: 656: 646: 643: 640: 636: 634: 628: 620: 618: 614: 610: 605: 597: 595: 578: 551: 548: 543: 539: 535: 532: 510: 498: 494: 490: 485: 473: 469: 465: 460: 448: 444: 440: 427: 422: 420: 416: 412: 408: 404: 400: 394: 392: 388: 379: 377: 373: 369: 367: 361: 357: 341: 329: 325: 321: 316: 304: 300: 296: 291: 279: 275: 271: 255: 247: 245: 243: 239: 234: 232: 228: 224: 220: 216: 212: 208: 204: 200: 195: 193: 189: 184: 180: 176: 154: 149: 137: 133: 129: 124: 112: 108: 104: 99: 87: 83: 79: 67: 66: 65: 63: 59: 55: 51: 47: 43: 34: 30: 19: 3737:Tessellation 3708: 3696: 3641:Associations 3609:Organisation 3101:Disclination 3032:Polymorphism 2995:Quasicrystal 2938:Orthorhombic 2878:Miller index 2872: 2826:Key concepts 2722:(isometric) 2685:orthorhombic 2642: 2571: 2567: 2530: 2520: 2488: 2464:. Retrieved 2448: 2438: 2420: 2401: 2378:. Retrieved 2373: 2364: 2352:. Retrieved 2348:the original 2328:(1.1): 2–5. 2325: 2321: 2311: 2276:Miller index 2245: 2236: 2218:copper metal 2203: 2199: 2195: 2190: 2186: 2182: 2128: 2124: 2120: 2115: 2111: 2043: 2039: 2035: 2030: 2026: 2022: 1901: 1897: 1893: 1888: 1884: 1821: 1817: 1813: 1780:Orthorhombic 1743: 1739: 1492: 1488: 1484: 1478: 1474: 1470: 1462: 1458: 1454: 1450: 1446: 1442: 1438: 1434: 1430: 1426: 1422: 1418: 1414: 1410: 1406: 1400: 1393: 1383: 1371: 1341: 1314: 1285: 1273: 1249: 1239: 1229: 1219: 1203:Orthorhombic 1191: 1181: 1151: 1106:Point group 1091: 1087: 1082: 1081: 1073: 1052: 1025: 1020: 1016: 964: 959: 955: 916: 839:Axial angle 821: 817: 810: 806: 796: 792: 788: 786: 651:Point group 638: 637: 630: 615: 611: 607: 423: 418: 414: 410: 406: 402: 398: 395: 390: 386: 383: 374: 370: 365: 362: 358: 257: 242:space groups 235: 231:solid matter 214: 210: 206: 198: 196: 191: 187: 182: 178: 171: 169: 49: 39: 29: 3594:Ewald Prize 3362:Diffraction 3340:Diffraction 3323:Diffraction 3265:Bragg plane 3260:Bragg's law 3139:Dislocation 3054:Segregation 2966:Crystallite 2883:Point group 2752:rectangular 2666:(anorthic) 2445:"Chapter 1" 2214:zinc blende 924:Tetragonal 844:Monoclinic 715:Rectangular 229:strings of 3726:Categories 3378:Algorithms 3367:Scattering 3345:Scattering 3328:Scattering 3196:Slip bands 3159:Cross slip 3009:transition 2943:Tetragonal 2933:Monoclinic 2845:Metallurgy 2695:tetragonal 2675:monoclinic 2411:0030839939 2303:References 2064:Hexagonal 1849:Tetragonal 1696:Monoclinic 1327:Hexagonal 1257:Tetragonal 1165:Monoclinic 972:Hexagonal 602:See also: 170:where the 3485:Databases 2948:Triclinic 2928:Hexagonal 2868:Unit cell 2860:Structure 2772:hexagonal 2664:triclinic 2330:CiteSeerX 2296:Zone axis 2006:α 2003:⁡ 1984:α 1981:⁡ 1965:− 1936:Hexagonal 1908:White tin 1723:β 1720:⁡ 1634:γ 1631:⁡ 1625:β 1622:⁡ 1616:α 1613:⁡ 1601:γ 1598:⁡ 1585:− 1582:β 1579:⁡ 1566:− 1563:α 1560:⁡ 1547:− 1522:Triclinic 1429:), where 1295:Hexagonal 1135:Triclinic 867:θ 864:⁡ 776:Hexagonal 536:≤ 254:Unit cell 248:Unit cell 223:molecules 3698:Category 3533:Journals 3465:OctaDist 3460:JANA2020 3432:Software 3318:Electron 3235:F-center 3022:Eutectic 2983:Fiveling 2978:Twinning 2971:Equiaxed 2574:: 1–128. 2529:(1978), 2466:21 April 2380:8 August 2354:21 April 2254:See also 2135:Graphite 2057:cinnabar 1483:, where 816:, where 814:‖ 804:‖ 42:geometry 3710:Commons 3658:Germany 3335:Neutron 3225:Vacancy 3084:Defects 3069:GP-zone 2915:Systems 2742:oblique 2549:0484179 2250:pairs. 2226:Diamond 2131:= 120° 2127:= 90°, 2049:Calcite 1507:Volume 1049:lattice 1028:= 120° 689:Oblique 227:polymer 203:crystal 56: ( 3653:France 3648:Europe 3581:Awards 3111:Growth 2961:Growth 2762:square 2547:  2537:  2508:  2457:  2408:  2376:. IUCr 2332:  2230:Silver 2206:= 90° 2059:(HgS) 1904:= 90° 1824:= 90° 1746:= 90° 1491:, and 1453:, and 967:= 90° 919:= 90° 750:Square 525:where 3675:Japan 3622:IOBCr 3475:SHELX 3470:Olex2 3357:X-ray 3007:Phase 2923:Cubic 2720:cubic 2430:(PDF) 2150:Cubic 2051:(CaCO 1770:PbCrO 1355:Cubic 1083:Note: 833:Area 779:(hp) 753:(tp) 729:(oc) 718:(op) 692:(mp) 639:Note: 225:, or 219:atoms 215:basis 211:motif 207:basis 190:, or 3617:IUCr 3518:ICDD 3513:ICSD 3498:CCDC 3445:Coot 3440:CCP4 3191:Slip 3154:Kink 2535:ISBN 2506:ISBN 2468:2008 2455:ISBN 2406:ISBN 2382:2019 2356:2008 2210:NaCl 1926:CaSO 1839:BaSO 1762:·10H 1670:CuSO 1461:and 1449:and 1437:and 1357:(c) 1297:(h) 1259:(t) 1205:(o) 1167:(m) 1137:(a) 820:and 801:norm 791:and 564:and 549:< 413:= 1/ 186:are 58:1850 48:, a 44:and 3632:DMG 3627:RAS 3523:PDB 3508:COD 3503:CIF 3455:DSR 3179:GND 3106:CSL 2498:doi 2340:doi 2222:KCl 2143:CdS 2139:ZnO 2055:), 1994:cos 1972:cos 1919:TiO 1912:SnO 1832:KNO 1717:sin 1674:·5H 1628:cos 1619:cos 1610:cos 1589:cos 1570:cos 1551:cos 1473:· ( 1394:cF 1384:cI 1372:cP 1342:hP 1315:hR 1286:tI 1274:tP 1250:oF 1240:oI 1230:oS 1220:oP 1192:mS 1182:mP 1152:aP 861:sin 366:and 209:or 40:In 3728:: 3670:US 3663:UK 2572:19 2545:MR 2543:, 2504:. 2496:. 2476:^ 2447:. 2390:^ 2372:. 2338:. 2326:A1 2324:. 2320:. 2228:, 2224:, 2220:, 2216:, 2212:, 2202:= 2198:= 2189:= 2185:= 2141:, 2137:, 2123:= 2114:= 2042:= 2038:= 2029:= 2025:= 1924:, 1917:, 1910:, 1900:= 1896:= 1887:= 1837:, 1830:, 1820:= 1816:= 1768:, 1758:SO 1754:Na 1752:, 1742:= 1686:BO 1680:, 1668:, 1659:Cr 1487:, 1477:Ă— 1441:, 1425:, 1421:, 1413:, 1409:, 1332:6h 1305:3d 1264:4h 1210:2h 1172:2h 1112:) 1019:= 958:= 809:Ă— 657:) 421:. 407:nv 221:, 2811:e 2804:t 2797:v 2624:e 2617:t 2610:v 2596:. 2514:. 2500:: 2470:. 2414:. 2384:. 2358:. 2342:: 2204:Îł 2200:β 2196:α 2191:c 2187:b 2183:a 2166:3 2162:a 2129:Îł 2125:β 2121:α 2116:b 2112:a 2097:c 2092:2 2088:a 2081:2 2077:3 2053:3 2044:Îł 2040:β 2036:α 2031:c 2027:b 2023:a 1998:3 1990:2 1987:+ 1976:2 1968:3 1962:1 1955:3 1951:a 1928:4 1921:2 1914:2 1902:Îł 1898:β 1894:α 1889:b 1885:a 1870:c 1865:2 1861:a 1841:4 1834:3 1822:Îł 1818:β 1814:α 1797:c 1794:b 1791:a 1772:3 1766:O 1764:2 1760:4 1756:2 1744:Îł 1740:α 1713:c 1710:b 1707:a 1688:3 1684:3 1682:H 1678:O 1676:2 1672:4 1665:7 1663:O 1661:2 1657:2 1655:K 1607:2 1604:+ 1593:2 1574:2 1555:2 1544:1 1539:c 1536:b 1533:a 1493:c 1489:b 1485:a 1481:) 1479:c 1475:b 1471:a 1463:b 1459:a 1455:Îł 1451:c 1447:a 1443:β 1439:c 1435:b 1431:α 1427:Îł 1423:β 1419:α 1415:c 1411:b 1407:a 1362:h 1360:O 1330:D 1303:D 1262:D 1208:D 1170:C 1142:i 1140:C 1108:( 1026:θ 1021:b 1017:a 1000:2 996:a 989:2 985:3 965:θ 960:b 956:a 939:2 935:a 917:θ 900:b 897:a 857:b 854:a 822:b 818:a 811:b 807:a 797:θ 793:b 789:a 765:6 763:D 739:4 737:D 704:2 702:D 678:2 676:C 653:( 579:i 574:a 552:1 544:i 540:x 533:0 511:3 506:a 499:3 495:x 491:+ 486:2 481:a 474:2 470:x 466:+ 461:1 456:a 449:1 445:x 441:= 437:r 419:n 415:n 411:v 403:v 399:n 391:m 387:m 342:3 337:a 330:3 326:n 322:+ 317:2 312:a 305:2 301:n 297:+ 292:1 287:a 280:1 276:n 272:= 268:R 183:i 179:a 174:i 172:n 155:, 150:3 145:a 138:3 134:n 130:+ 125:2 120:a 113:2 109:n 105:+ 100:1 95:a 88:1 84:n 80:= 76:R 20:)

Index

Crystalline lattice

geometry
crystallography
Auguste Bravais
1850
discrete translation
crystal
atoms
molecules
polymer
solid matter
symmetry groups
space groups
Unit cell
parallelepiped
Crystallographic point group
Lattice (group)
lattice systems
Schönflies notation
Oblique
Oblique
Oblique
Rectangular
Oblique
Oblique
Square
Oblique
Hexagonal
norm

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