New efficient synthesis of the triangular cluster [W3Se4(H2O)9]4+ and X-ray structure of the first mixed-metal seleno-bridged cubane-type tungsten-tin cluster (Me2NH2)6[(SCN)9W3Se4SnCl3]•0.5H2O

被引：30

作者：

Fedin, VP ^{[1
]}

Sokolov, MN ^{[1
]}

Virovets, AV ^{[1
]}

Podberezskaya, NV ^{[1
]}

Fedorov, VE ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Organ Chem, Novosibirsk 630090, Russia

来源：

INORGANICA CHIMICA ACTA | 1998年 / 269卷 / 02期

关键词：

crystal structures; tungsten complexes; seleno-bridged complexes; tin complexes; cluster complexes;

D O I：

10.1016/S0020-1693(97)05794-0

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The trinuclear incomplete cuboidal [W3Se4(H2O)(9)](4+) cluster has been prepared by reacting polymeric solid W3Se7Br4 with H3PO2 in aqueous HCl solution with yields up to 50%. The mixed-metal cluster compound (Me2NH2)(6)[(SCN)(9)W3Se4SnCl3]. 0.5H(2)O (1) has been prepared by reacting [W3Se4(H2O)(9)](4+) in aqueous HCl solution with SnCl2 . 2H(2)O in the presence of Me2NH2Cl and NaSCN. Crystals of 1 are monoclinic space group C2/c, a = 42.868(6), b = 12.035(1), c = 21.976(5) Angstrom, beta = 95.69(1)degrees and Z = 8. The structure was refined by full-matrix least-squares techniques to R(Rw) = 0.0343(0.0478), The title compound 1 is the first mixed-metal seleno-bridged cubane-type tungsten-tin cluster as derivative of [W3Se4(H2O)(9)](4+). (C) 1998 Elsevier Science S.A.

引用

页码：292 / 296

页数：5

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