| Synthesis of a new salt containing polyoxometallate anion and M-Cu-S cluster cation [MS_4Cu_4(γ-MePy)_8][M_6O_19] (M = Mo,W).Crystal structure of [WS_4Cu_4(γ-MePy)_8][W_6O_19] |
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| 作者姓名： | POPE Michael T. |
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| 作者单位： | POPE，Michael T. Department of Chemistry，Georgetown University，Washington DC S0057，U.S.A.LANG，Jian-PingDepartment of Chemistry，Suzhou University，Suzhou，Jiangsu 215006，ChinaXIN，Xin-Quan Coordination Chemistry Institute，Nanjing University，Nanjing，Jiangsu S1000S，ChinaYU，Kai-BeiChengdu Center of Analysis and Measurement，Chinese Academy of Sciences，Chengdu，Sichuan 610041，China |
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| 摘 要： | Reactions of (NH4)2MS4, AgBr and CuBr in r-methylpyridine produced one new compound, MS4Cu4(r-MePy)8]M6O19] (1, M = W; 2, M = Mo), of which 1 was characterized by single crystal X-ray analysis. The crystal data: orthorhombic, Pbcn, a = 15.434(4),b= 16.732(2), c = 28.657(7) A, V = 7400.8(8) A3, Z = 4, R = 0.072 for 3121 independent data. The compound is the first example which contains both polyoxotnngstate anion and heteropolynuclear cluster cation. In the structure of the cation four edges of the tetrahedral WS42- core are coordinated by four copper atoms, giving a WS4Cu4 aggregate of approximate D2h symmetry. The differences between the reaction of Cu+ with MS42- and that of Ag+ with MS42- in pyridine and its derivatives are discussed.
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