98:
283:
469:
461:
with sodium. Some of the CO ligands are bridging and many are terminal. A carbide ligand resides at the center of the cluster. A variety of analogous compounds have been reported where some or all of the Fe centres are replaced by Ru, Mn and other metals.
210:
with relatively high critical fields. Such materials are prepared by high temperature (1100 °C) reactions of the chalcogen and Mo metal. Structurally related, soluble analogues have been prepared, e.g.,
314:
Octahedral clusters of tin(II) have been observed in several solid state compounds. The reaction of tin(II) salts with an aqueous base leads to the formation of tin(II) oxyhydroxide (Sn
887:
Locock, A. J.; Ramik, R. A.; Back, M. E. (2006-12-01). "THE STRUCTURES OF TWO NOVEL Sn2+ OXYSALTS FOUND WITH ROMARCHITE AND HYDROROMARCHITE AS CORROSION PRODUCTS OF PEWTER ARTIFACTS".
569:
Saito, T. and Imoto, H., "Chalcogenide
Cluster Complexes of Chromium, Molybdenum, Tungsten, and Rhenium", Bulletin Chemical Society of Japan, 1996, volume 69, pp. 2403-2417.
445:
would have 5(6) - 14 = 16 valence electrons. Fewer d-electrons result in weakened M-M bonding and the extended Ta---Ta distances accommodate doubly bridging halides.
350:
clusters, the six tin atoms form an octahedral array with alternate faces of the octahedron occupied by an oxide or hydroxide moiety, each bonded in a μ
494:
Atomlike
Building Units of Adjustable Character: Solid-State and Solution Routes to Manipulating Hexanuclear Transition Metal Chalcohalide Clusters
206:
an interstitial atom such as Pb. These materials, called
Chevrel phases or Chevrel clusters, have been actively studied because they are type II
417:) centers. Six Mo(II) centers gives rise to a total of 24 valence electrons, or 2e/Mo-Mo vector. More electron-deficient derivatives such as Ta
554:
38:
These compounds are bound together by metal-metal bonding as well as two kinds of ligands. Ligands that span the faces or edges of the M
243:
are more common. Twelve halides are located along the edge of the octahedron and six are terminal. Examples of this structure type are
635:
603:
501:
385:
structure, comprising a face-centred-cubic array of clusters with Si occupying half of the tetrahedral holes. A polymorph, β-Sn
382:
795:
Suslova, E. V.; Turova, N. Ya.; Kessler, V. G.; Belokon’, A. I. (November 2007). "Electrosynthesis of tin(II) alkoxides".
158:. For this reason this geometry is called a face capped octahedral cluster. Examples of this type of clusters are the Re
27:
97:
373:
Recently, it was demonstrated that anionic tin(II) clusters may form the close packed arrays as in the case of α-Sn
936:
394:
298:
Many of the early metal clusters can only be prepared when they incorporate interstitial atoms. One example is Zr
58:. Typically, the outer ligands can be exchanged whereas the bridging ligands are more inert toward substitution.
50:(innen in the original German description), and those ligands attached only to one metal are labeled outer, or L
393:, has been identified as a product of pewter corrosion in aqueous conditions, and is a structural analogue of
586:
Duraisamy, Thirumalai; Hay, Daniel N. T.; Messerle, Louis (2014). "Octahedral
Hexatantalum Halide Clusters".
75:
454:
244:
154:. Each face of the octahedron is capped with a chalcohalide and eight such atoms are at the corners of a
354:-binding mode to three tin atoms. Crystal structures have been reported for compounds with the formula Sn
546:
91:
838:
Parsons, Daniel S.; Savva, Savvaki N.; Tang, Wai Chi; Ingram, Andrew; Hriljac, Joseph A. (2019-12-16).
896:
720:
236:
123:
23:
840:"Sn 6 SiO 8 , a Tin(II) Silicate with a Zinc Blende Related Structure and High Thermal Stability"
820:
458:
147:
912:
869:
861:
812:
777:
631:
599:
550:
497:
79:
904:
851:
804:
769:
728:
689:
591:
570:
538:
522:
207:
155:
521:
Arndt Simon "Metal clusters inside out" Phil. Trans. R. Soc. A 2010 vol. 368, 1285-1299.
900:
724:
282:
930:
507:
430:
824:
131:
856:
839:
908:
178:
A well-studied class of solid-state compounds related to the chalcohalides are
808:
733:
708:
595:
179:
143:
916:
865:
816:
781:
873:
707:
Abrahams, I.; Grimes, S. M.; Johnston, S. R.; Knowles, J. C. (1996-02-15).
526:
74:. This dianion is available as a variety of salts by treating the polymer
773:
749:
574:
367:
199:
135:
693:
618:
Koknat, F. W.; Marko, D. J. "Tetradecachlorohexatantalum
Octahydrate, Ta
468:
142:
and L is an "outer ligand." The metal atoms define the vertices of an
139:
457:, a prototypical octahedral cluster is , which is obtained by heating
195:
127:
660:
Thaxton, C. B.; Jacobson, R. A. (1971). "The
Crystal Structure of H
748:
Harrison, Philip G.; Haylett, Bernard J.; King, Trevor J. (1978).
467:
281:
96:
30:
array. Many types of compounds are known, but all are synthetic.
713:
496:
in
Progress in Inorganic Chemistry, Volume 54 Kenneth D. Karlin
401:
Electron counting in octahedral halide and chalcogenide clusters
465:
Outside of carbonyl clusters, gold forms octahedral clusters.
762:: an intermediate in the hydrolysis of tin(II) dimethoxide"
766:
Journal of the
Chemical Society, Chemical Communications
110:
A related class of octahedral clusters are of the type M
286:
Structure of edge-capped octahedral clusters such as Ta
630:
O" Inorganic
Syntheses, 2004, volume 34, pp. 187-191.
709:"Tin(II) Oxyhydroxide by X-ray Powder Diffraction"
326:), the structure of which comprises discrete Sn
130:and more specifically an inner ligand of the
8:
472:The complex , containing a carbon-gold core.
34:Octahedral chalcogenide and halide clusters
90:anion, which is obtained by extraction of
855:
732:
66:The premier example is of the class is Mo
517:
515:
488:
486:
482:
26:compounds composed of six metals in an
797:Russian Journal of Inorganic Chemistry
7:
449:Other classes of octahedral clusters
492:Eric J. Welch and Jeffrey R. Long
14:
370:such as a methyl or ethyl group.
22:are inorganic or organometallic
241:edge-capped octahedral clusters
78:with sources of chloride, even
750:"X-Ray crystal structure of Sn
590:. Vol. 36. pp. 1–8.
588:Inorganic Syntheses: Volume 36
429:-electrons. For example, the
122:where M is a metal usually of
16:Octahedral clusters: Synthetic
1:
857:10.1021/acs.inorgchem.9b02615
101:Structure of (M = Mo or W).
231:Edge-Capped Halide Clusters
62:Face-capped halide clusters
953:
909:10.2113/gscanmin.44.6.1457
889:The Canadian Mineralogist
809:10.1134/S0036023607110083
734:10.1107/S0108270195012625
596:10.1002/9781118744994.ch1
543:Chemistry of the Elements
541:; Earnshaw, Alan (1997).
82:. A related example is W
455:metal carbonyl clusters
76:molybdenum(II) chloride
527:10.1098/rsta.2009.0271
473:
295:
245:tungsten(III) chloride
182:clusters of the type A
102:
547:Butterworth-Heinemann
539:Greenwood, Norman N.
471:
285:
126:6 or group 7, X is a
106:Chalcohalide clusters
100:
92:tungsten(II) chloride
774:10.1039/c39780000112
575:10.1246/bcsj.69.2403
148:point group symmetry
901:2006CaMin..44.1457L
850:(24): 16313–16316.
844:Inorganic Chemistry
725:1996AcCrC..52..286A
694:10.1021/ic50101a029
682:Inorganic Chemistry
381:, which adopts the
239:4 or 5 a so-called
20:Octahedral clusters
474:
459:iron pentacarbonyl
296:
103:
42:core are labeled L
937:Cluster chemistry
803:(11): 1682–1686.
556:978-0-08-037941-8
80:hydrochloric acid
944:
921:
920:
895:(6): 1457–1467.
884:
878:
877:
859:
835:
829:
828:
792:
786:
785:
745:
739:
738:
736:
704:
698:
697:
688:(7): 1460–1463.
657:
651:
616:
610:
609:
583:
577:
567:
561:
560:
545:(2nd ed.).
535:
529:
519:
510:
490:
437:, the core of Ta
413:feature Mo(II) (
366:, where R is an
310:Tin(II) clusters
174:Chevrel clusters
952:
951:
947:
946:
945:
943:
942:
941:
927:
926:
925:
924:
886:
885:
881:
837:
836:
832:
794:
793:
789:
761:
757:
753:
747:
746:
742:
706:
705:
701:
679:
675:
671:
667:
663:
659:
658:
654:
649:
645:
641:
638:. (describes Na
629:
625:
621:
617:
613:
606:
585:
584:
580:
568:
564:
557:
537:
536:
532:
520:
513:
491:
484:
479:
453:In the area of
451:
444:
440:
436:
424:
420:
412:
408:
403:
392:
388:
380:
376:
365:
361:
357:
353:
349:
345:
341:
338:clusters. In Sn
337:
333:
329:
325:
321:
317:
312:
305:
301:
293:
289:
278:
274:
270:
266:
262:
258:
254:
250:
235:With metals in
233:
226:
222:
218:
214:
208:superconductors
205:
193:
189:
185:
176:
169:
165:
161:
153:
146:. The overall
121:
117:
113:
108:
89:
85:
73:
69:
64:
53:
45:
41:
36:
17:
12:
11:
5:
950:
948:
940:
939:
929:
928:
923:
922:
879:
830:
787:
768:(3): 112–113.
759:
755:
751:
740:
719:(2): 286–288.
699:
677:
673:
669:
665:
661:
652:
647:
643:
639:
627:
623:
619:
611:
604:
578:
562:
555:
530:
511:
481:
480:
478:
475:
450:
447:
442:
438:
434:
422:
418:
410:
406:
405:The species Mo
402:
399:
390:
386:
378:
374:
363:
359:
355:
351:
347:
343:
339:
335:
331:
327:
323:
319:
315:
311:
308:
303:
299:
291:
287:
276:
272:
268:
264:
260:
256:
252:
248:
232:
229:
224:
220:
216:
212:
203:
191:
187:
183:
175:
172:
167:
163:
159:
151:
134:group such as
119:
115:
111:
107:
104:
87:
83:
71:
67:
63:
60:
51:
43:
39:
35:
32:
15:
13:
10:
9:
6:
4:
3:
2:
949:
938:
935:
934:
932:
918:
914:
910:
906:
902:
898:
894:
890:
883:
880:
875:
871:
867:
863:
858:
853:
849:
845:
841:
834:
831:
826:
822:
818:
814:
810:
806:
802:
798:
791:
788:
783:
779:
775:
771:
767:
763:
744:
741:
735:
730:
726:
722:
718:
714:
710:
703:
700:
695:
691:
687:
683:
656:
653:
637:
636:0-471-64750-0
633:
615:
612:
607:
605:9781118744994
601:
597:
593:
589:
582:
579:
576:
572:
566:
563:
558:
552:
548:
544:
540:
534:
531:
528:
524:
518:
516:
512:
509:
506:
503:
502:0-471-72348-7
499:
495:
489:
487:
483:
476:
470:
466:
463:
460:
456:
448:
446:
432:
431:naked cluster
428:
416:
400:
398:
396:
384:
371:
369:
309:
307:
284:
280:
246:
242:
238:
230:
228:
209:
201:
197:
181:
173:
171:
157:
149:
145:
141:
137:
133:
129:
125:
105:
99:
95:
93:
81:
77:
61:
59:
57:
49:
33:
31:
29:
25:
21:
892:
888:
882:
847:
843:
833:
800:
796:
790:
765:
743:
716:
712:
702:
685:
681:
655:
614:
587:
581:
565:
542:
533:
504:
493:
464:
452:
426:
414:
404:
372:
313:
297:
240:
234:
177:
132:chalcohalide
109:
65:
55:
47:
37:
19:
18:
425:have fewer
383:zinc blende
477:References
180:molybdenum
144:octahedron
28:octahedral
917:0008-4476
866:0020-1669
817:0036-0236
782:0022-4936
931:Category
874:31804067
825:93819431
395:wurtzite
368:alkoxide
271:, and Nb
200:selenium
136:chloride
897:Bibcode
721:Bibcode
194:with X
170:anion.
140:sulfide
24:cluster
915:
872:
864:
823:
815:
780:
634:
602:
553:
500:
196:sulfur
128:ligand
56:ausser
46:, for
821:S2CID
758:(OMe)
237:group
202:and A
124:group
48:inner
913:ISSN
870:PMID
862:ISSN
813:ISSN
778:ISSN
632:ISBN
600:ISBN
551:ISBN
508:Link
505:2005
498:ISBN
362:(OR)
346:(OH)
334:(OH)
322:(OH)
263:, Nb
247:, Ta
219:(PEt
156:cube
150:is O
54:for
905:doi
852:doi
805:doi
770:doi
729:doi
690:doi
680:".
672:)(H
664:(Ta
592:doi
571:doi
523:doi
389:SiO
377:SiO
302:CCl
198:or
138:or
933::
911:.
903:.
893:44
891:.
868:.
860:.
848:58
846:.
842:.
819:.
811:.
801:52
799:.
776:.
764:.
727:.
717:52
715:.
711:.
686:10
684:.
676:O)
670:18
668:Cl
648:18
646:Cl
642:Ta
626:8H
624:14
622:Cl
598:.
549:.
514:^
485:^
443:18
441:Cl
433:Ta
423:18
421:Cl
411:14
409:Cl
397:.
306:.
304:12
292:18
290:Cl
279:.
277:18
269:15
259:O)
255:(H
253:14
251:Cl
227:.
211:Mo
186:Mo
166:Cl
94:.
88:14
86:Cl
72:14
70:Cl
919:.
907::
899::
876:.
854::
827:.
807::
784:.
772::
760:4
756:4
754:O
752:6
737:.
731::
723::
696:.
692::
678:6
674:2
666:6
662:2
650:)
644:6
640:4
628:2
620:6
608:.
594::
573::
559:.
525::
439:6
435:6
427:d
419:6
415:d
407:6
391:8
387:6
379:8
375:6
364:4
360:4
358:O
356:6
352:3
348:4
344:4
342:O
340:6
336:4
332:4
330:O
328:6
324:4
320:4
318:O
316:6
300:6
294:.
288:6
275:F
273:6
267:F
265:6
261:4
257:2
249:6
225:6
223:)
221:3
217:8
215:S
213:6
204:x
192:8
190:X
188:6
184:x
168:6
164:8
162:S
160:6
152:h
120:6
118:L
116:8
114:X
112:6
84:6
68:6
52:a
44:i
40:6
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
