Synthesis, EPR spectrum and X-ray structure of tetra-n-butylammonium bis(benzene-1,2-dithiolato(2-)-κ2S,S′)platinate(III)

被引：9
|
作者：
Belombe, Michel M. [1 ]
Nenwa, Justin [1 ]
Hey-Hawkins, Evamarie [2 ]
Loennecke, Peter [2 ]
Strauch, Peter [3 ]
Koch, Klaus R. [4 ]
机构：
[1] Univ Yaounde I, Dept Inorgan Chem, Yaounde, Center Province, Cameroon
[2] Fak Chem & Mineral, D-04103 Leipzig, Germany
[3] Univ Potsdam, Inst Chem, D-14476 Golm, Germany
[4] Univ Stellenbosch, ZA-7602 Matieland, South Africa
来源：
POLYHEDRON | 2008年 / 27卷 / 18期
关键词：
Crystal structure; Pt-III complex salt; EPR spectrum; Benzene-1,2-dithiolato ligand; Square planar complex;
D O I：
10.1016/j.poly.2008.09.004
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The new salt, tetra-n-butylammonium bis(benzene-1,2-dithiolato(2-)-kappa S-2,S')platinate(III), [NBu4]-[Pt(C6H4S2)(2)] (1), has been synthesized in ethanol/water, and fully characterized by single crystal X-ray structure determination. The central platinum in the complex ion [Pt(bdt)(2)](-) is tetracoordinated by the S atoms of the bdt(2-) ligands (bdt(2-) is benzene-1,2-dithiolate) in a square-planar geometry. The well-resolved frozen solution EPR spectrum exhibits rhombic symmetry. The room temperature effective magnetic moment (mu(eff) = 1.80 Bohr magneton) is in line with this spectrum and strongly supports the Pt(III) oxidation state in 1. This observation is in excellent agreement with previous results reported on closely related Ni(III), Pd(III) and Pt(III) species. (C) 2008 Elsevier Ltd. All rights reserved.
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收藏
页码：3688 / 3692
页数：5
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