IR Spectroscopy of Two Polymorphs of Copper(I) Thiocyanate and of Complexes of Copper(I) Thiocyanate with Thiourea and Ethylenethiourea

被引:26
作者
Bowmaker, Graham A. [1 ]
Hanna, John V. [2 ]
机构
[1] Univ Auckland, Dept Chem, Auckland, New Zealand
[2] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
来源
ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES | 2009年 / 64卷 / 11-12期
关键词
Copper(I); Thiourea; Infrared Spectroscopy; ASSISTED MECHANOCHEMICAL SYNTHESIS; CRYSTAL-STRUCTURES; METAL-COMPLEXES; NMR; ADDUCTS;
D O I
10.1515/znb-2009-11-1231
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Syntheses and infrared spectroscopic studies are reported for two different polymorphs of copper(I) thiocyanate and for adducts of copper(I) thiocyanate with thiourea (`tu') and ethylenethiourea ('etu' = imidazolidine-2-thione; (CH(2)NH)(2)CS)). These include the previously reported complex CuSCN/etu (1 : 2), which has a trigonal monomeric structure, and CuSCN/etu (1 : 1), which has a three-dimensional polymeric structure. A mechanochemical/infrared study of the CuSCN: to (1 : 2) system showed that no 1 : 2 complex exists in this case, the product being a mixture of a 1 : 3 complex and a novel 1 : 0.5 complex. The latter complex was prepared both mechanochemically and from solution, and characterized by infrared and solid-state (65)Cu broadline NMR spectroscopy. Diagnostic ligand and metal-ligand bands in the IR and far-IR spectra are assigned for both polymorphs of CuSCN and for all of the complexes studied and are discussed in relation to the structures of the complexes.
引用
收藏
页码:1478 / 1486
页数:9
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