Thioxanthate complexes of {Nb2S4)4+

被引：6

作者：

Sokolov, M. N. ^{[1
,2
]}

Rogachev, A. V. ^{[1
]}

Abramov, P. A. ^{[1
,2
]}

Fedin, V. P. ^{[1
,2
]}

机构：

[1] Nikolaev Inst Inorgan Chem SB RAS, Novosibirsk 630090, Russia

[2] Novosibirsk State Univ, Novosibirsk 630090, Russia

来源：

POLYHEDRON | 2015年 / 85卷

基金：

俄罗斯基础研究基金会;

关键词：

Metal chalcogenide cluster; Niobium; Thioxanthates; X-ray structure; Disulfide ligand; CRYSTAL-STRUCTURE; CLUSTERS; LIGANDS; COORDINATION; REACTIVITY; CS2; SE; MO;

D O I：

10.1016/j.poly.2014.09.034

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The new alkylthioxanthate complexes [Nb2S4(S2CSR)(4)] (R = CH3 (1), C2H5 (2), i-C3H7 (3) and n-C4H9 (4)) were obtained by alkylation of [Nb2S4(CS3)(4)](4-) with the corresponding alkyl iodides (1-3) or bromide (4) in moderate yields. For [Nb2S4(S2CSC2H5)(4)] (2) and [Nb2S4((S2CSC4H9)-C-n)(4)] (4), crystal structures have been determined. The structure of 2 is a racemic mixture of Lambda Lambda and Delta Delta isomers, while [Nb2S4((S2CSC4H9)-C-n)(4)] (4) crystallizes as the Lambda Delta isomer. The Nb-Nb distances in 2 and 4 are 2.87-2.88 angstrom. Thermal decomposition leads to amorphous NbS2. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：727 / 731

页数：5

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