Formation of the heteropolynuclear complex ([NH2(C4H9)2][Au{S2CN(C4H9)2}2][CdCl4]) n during the chemisorption of gold(III) with cadmium dibutyldithiocarbamate: Structure and thermal properties

被引：15
|
作者：
Ivanov, A. V. [1 ]
Sergienko, V. I. [2 ]
Gerasimenko, A. V. [2 ]
Loseva, O. V. [1 ]
Zaeva, A. S. [1 ]
机构：
[1] Russian Acad Sci, Inst Geol & Nat Management, Far E Div, Blagoveshchensk 675000, Russia
[2] Russian Acad Sci, Inst Chem, Far E Div, Vladivostok 690022, Russia
来源：
RUSSIAN JOURNAL OF COORDINATION CHEMISTRY | 2010年 / 36卷 / 05期
基金：
俄罗斯基础研究基金会;
关键词：
X-RAY-DIFFRACTION; N-15 CP/MAS NMR; C-13; VOLUMES; RADII; ESR; VAN;
D O I：
10.1134/S1070328410050064
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The chemisorption properties of cadmium dibutyldithiocarbamate with respect to [AuCl4](-) in 2M HCl solutions are studied. The heterogeneous reaction of gold(III) binding affords the heteropolynuclear compound ([NH{(2)(C4H9)(2)][Au{S2CN(C4H9)(2)}(2)][CdCl4]) (n) (I). The molecular and crystal structures of compound I are determined from the X-ray diffraction data. Each of three ions is presented in the structure by two conformers. The irreversible decomposition of some dibutyldithiocarbamate groups is observed during the chemisorption of gold(III), which noticeably decreases the efficiency of gold binding with the sorbent studied and its sorption capacity. The study of the thermal properties of compound I shows that gold(III) is reduced to the metal during thermolysis.
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收藏
页码：353 / 358
页数：6
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