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Dawson structure

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20: 131:
Richardt, Peter J. S.; Gable, Robert W.; Bond, Alan M.; Wedd, Anthony G. (2001). "Synthesis and Redox Characterization of the Polyoxo Anion, γ*-: A Unique Fast Oxidation Pathway Determines the Characteristic Reversible Electrochemical Behavior of Polyoxometalate Anions in Acidic Media".
39:, fragments with three missing octahedra. As in Keggin structures, the Dawson structure has an oxyanion at its core. Unlike Keggin structures, there are two such anions, one at each side of the ellipsoidal anion. An example is 183: 205: 210: 175: 179: 149: 167: 141: 36: 215: 32: 199: 79: 153: 83: 19: 145: 35:. The Dawson structure can be viewed as the fusion of two defect 98:
is allowed to stand in aqueous solution, it converts to
8: 109: 105: 101: 93: 89: 70: 66: 62: 58: 50: 46: 42: 18: 123: 31:is a well-known structural motif for 16:Structural motif for heteropoly acids 7: 78:Commonly, Dawson structures feature 55:, which can also be described as 14: 1: 232: 172:Chemistry of the Elements 170:; Earnshaw, Alan (1997). 86:. When the Keggin anion 24: 176:Butterworth-Heinemann 168:Greenwood, Norman N. 22: 134:Inorganic Chemistry 25: 206:Cluster chemistry 185:978-0-08-037941-8 146:10.1021/ic000793q 223: 211:Heteropoly acids 190: 189: 178:. p. 1016. 174:(2nd ed.). 164: 158: 157: 128: 113: 97: 74: 54: 37:Keggin structure 33:heteropoly acids 29:Dawson structure 23:Dawson structure 231: 230: 226: 225: 224: 222: 221: 220: 196: 195: 194: 193: 186: 166: 165: 161: 130: 129: 125: 120: 111: 107: 103: 99: 95: 91: 87: 82:as the central 72: 68: 64: 60: 56: 52: 48: 44: 40: 17: 12: 11: 5: 229: 227: 219: 218: 213: 208: 198: 197: 192: 191: 184: 159: 140:(4): 703–709. 122: 121: 119: 116: 15: 13: 10: 9: 6: 4: 3: 2: 228: 217: 214: 212: 209: 207: 204: 203: 201: 187: 181: 177: 173: 169: 163: 160: 155: 151: 147: 143: 139: 135: 127: 124: 117: 115: 85: 81: 76: 38: 34: 30: 21: 171: 162: 137: 133: 126: 77: 28: 26: 200:Categories 118:References 84:oxyanions 80:phosphate 154:11225112 57:[(SO 88:[PW 216:Anions 182:  152:  100:[P 41:[S 180:ISBN 150:PMID 27:The 142:doi 65:(WO 202:: 148:. 138:40 136:. 114:. 110:62 106:18 94:40 90:12 75:. 71:18 51:62 47:18 188:. 156:. 144:: 112:] 108:O 104:W 102:2 96:] 92:O 73:] 69:) 67:3 63:2 61:) 59:4 53:] 49:O 45:W 43:2

Index


heteropoly acids
Keggin structure
phosphate
oxyanions
doi
10.1021/ic000793q
PMID
11225112
Greenwood, Norman N.
Butterworth-Heinemann
ISBN
978-0-08-037941-8
Categories
Cluster chemistry
Heteropoly acids
Anions

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