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Synthesis and structure of a new selenium-bridged tungsten cluster, [W3Se7(S2P(OEt)2)3]Br |
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| Authors: | Vladimir P Fedin Maxim N Sokolov Olga A Geras'ko Alexandr V Virovets Nina V Podberezskaya and Vladimir Ye Fedorov |
| Institution: | Institute of Inorganic Chemistry of Siberian Branch of Russian Academy of Sciences, Prospekt Lavrentyeva 3, Novosibirsk 630090, Russia |
| Abstract: | W3Se7(S2P(OEt)2)3]Br was prepared by reacting (Et4N)2W3Se7Br6 with KS2P (OEt)2 in CH3CN and its crystal structure determined. In the W3(μ3-Se)(μ2-Se2)3]4+ core the W---W bond length is 2.755(5)-2.764(6) Å and the Se---Se bond length is 2.32(1)- 2.34(4) Å. |
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