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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Halfsandwich complexes containing the tetrathiotungstate chelate ligand. Crystal and molecular structure of Cp*Rh(PMe3)[(mu-S)(2) WS2] (Cp* = eta(5-) pentamethylcyclopentadienyl)
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Halfsandwich complexes containing the tetrathiotungstate chelate ligand. Crystal and molecular structure of Cp*Rh(PMe3)[(mu-S)(2) WS2] (Cp* = eta(5-) pentamethylcyclopentadienyl)

机译:含有四硫钨酸盐螯合物的半三明治复合物。 Cp * Rh(PMe3)[(mu-S)(2)WS2](Cp * = eta(5-)五甲基环戊二烯基)的晶体和分子结构

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摘要

The reactions of Cp*M(PMe3)Cl-2 (M = Rh (1a), Ir (1b)) with (NEt4)(2)[WS4] led to the heterodimetallic -sulfido-bridged complexes Cp*M(PMe3)[(mu-S)(2)WS2] (M Rh (2a), Ir (2b)), whereas the dimers [Cp*MCl(mu-Cl)](2) (M = Rh (4a), Ir (4b)) reacted with (NEt4)(2)[WS4) to give the known trinuclear compounds [Cp*M(Cl)](2)(mu-WS4) (M = Rh (5a), Ir (5b)). Hydrolysis of the terminal W=S bonds converts 2a,b into Cp*M(PMe3)[(mu-S)(2)WO2] (M = Rh (3a), Ir (3b)). Salts of a heterodimetallic anion, A[CpMo(1)(NO)(WS4)] (6) (A(+) = NEt4+, NPh4+) were obtained by reactions of [CpMo(NO)I-2](2) with tetrathiotungstates, A(2)[WS4]. The complexes were characterized by IR and NMR (H-1, C-13, P-31) spectroscopy, and the X-ray crystallographic structure of Cp*Rh(PMe3)[(mu-S)(2)WS2] (2a) has been determined. The bond lengths and angles in the coordinations spheres of Rh and W in 2a (Rh...W 288.5(1) pm) are compared with related complexes containing terminal [WS42-] chelate ligands.
机译:Cp * M(PMe3)Cl-2(M = Rh(1a),Ir(1b))与(NEt4)(2)[WS4]的反应生成杂双金属-硫桥键联的络合物Cp * M(PMe3) [(mu-S)(2)WS2](M Rh(2a),Ir(2b)),而二聚体[Cp * MCl(mu-Cl)](2)(M = Rh(4a),Ir( 4b))与(NEt4)(2)[WS4)反应,得到已知的三核化合物[Cp * M(Cl)](2)(mu-WS4)(M = Rh(5a),Ir(5b))。末端W = S键的水解将2a,b转换为Cp * M(PMe3)[(mu-S)(2)WO2](M = Rh(3a),Ir(3b))。杂二金属阴离子A [CpMo(1)(NO)(WS4)](6)(A(+)= NEt4 +,NPh4 +)的盐是通过[CpMo(NO)I-2](2)与四硫钨酸盐,A(2)[WS4]。配合物的特征在于IR和NMR(H-1,C-13,P-31)光谱,以及Cp * Rh(PMe3)[(mu-S)(2)WS2](2a)的X射线晶体结构)已确定。将Rh和W在2a(Rh ... W 288.5(1)pm)的配位域中的键长和键角与含有末端[WS42-]螯合物的相关配合物进行了比较。

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