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The crystal and molecular structures of two bromo bis(N, N-dipropylthiocarbamoyl) sulfidocopper(I) complexes

机译:两种溴代双(N,N-二丙基硫代氨基甲酰基)硫代铜(I)配合物的晶体和分子结构

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摘要

The reaction of copper(1) bromide, CuBr, with the tetraalkylthiurammonosulfides R_4tms (R = ~iPr, ~nPr) affords the copper(I) complexes ~iPr_4tmsCuBr(I) (C_(14)H_(28)BrCuN_2S_2, orthorhombic, Pna2_1, Z = 4, a = 12.487(2), b = 12.699(2), c = 12.742(2) A) and ~nPr_4tmsCuBr (II) (C_(14)H_(28)BrCuN_2S_3, monoclinic, P2_1, Z = 4, a = 9.092(5), b = 23.408(11), c = 10.082(7) A, #beta# = 104.90(5) deg), which exist in the solid as monomeric units featuring three-coordinate copper(I). The ligands are bidentate and coordination is completed by the bromine atoms. The configurations of the six-membered metal-ligand ring in (I) and (II) are more severely distorted than the previously reported structurally related complexes of ethyl series. The crystal structural studies are complemented and confirmed by IR and ~1H-NMR spectroscopies, as well as room temperature, magnetic, solution conductivity, and molecular weight studies.
机译:溴化铜(1)CuBr与四烷基硫醚单硫化物R_4tms(R =〜iPr,〜nPr)的反应提供了铜(I)络合物〜iPr_4tmsCuBr(I)(C_(14)H_(28)BrCuN_2S_2,正交晶,Pna2_1 ,Z = 4,a = 12.487(2),b = 12.699(2),c = 12.742(2)A)和〜nPr_4tmsCuBr(II)(C_(14)H_(28)BrCuN_2S_3,单斜晶系,P2_1 / n, Z = 4,a = 9.092(5),b = 23.408(11),c = 10.082(7)A,#beta#= 104.90(5)度,它们以三坐标铜的单体单元形式存在于固体中(一世)。配体是双齿的,配位由溴原子完成。 (I)和(II)中六元金属-配体环的构型比以前报道的乙基系列的结构相关配合物严重扭曲。晶体结构研究得到了红外和〜1H-NMR光谱学以及室温,磁,溶液电导率和分子量研究的补充和证实。

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