Synthesis and X-ray characterization of the new pentanickel cluster cation [Ni5(μ5-S) (μ3-S)2(μ2-S) (μ-CH3COO) (PPh3)5]+

被引：6

作者：

Cecconi, F

Ghilardi, CA

Midollini, S

Orlandini, A

Vacca, A

机构：

[1] CNR, Ist Studio Stereochim & Energet Composti Coor, I-50132 Florence, Italy

[2] Univ Florence, Dipartimento Chim, I-50144 Florence, Italy

来源：

INORGANIC CHEMISTRY COMMUNICATIONS | 2000年 / 3卷 / 06期

关键词：

crystal structures; nickel complexes; chalcogen complexes; cluster complexes;

D O I：

10.1016/S1387-7003(00)00068-X

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

By reacting Ni(CH3COO)(2). 6H(2)O with H2S in the presence of PPh3, the new Ni/S cluster of formula [Ni-5(mu(5)-S)(mu(2)-S)(2)(mu(2)-S)-(mu-CH3COO)(PPh3)(5)]PF6. C7H8. 0.5CH(2)Cl(2) has been isolated and characterized by X-ray diffraction analysis. Crystal data: space group P2(1)/c, a = 15.774(4), b = 21.235(7), c = 29.288(7) Angstrom, beta = 95.66(4)degrees. The inner con consists of a square pyramid of five nickel atoms, linked together by a bridging acetate and four variously bridging sulfur ligands. The P-31{H-1} NMR spectra in dichloromethane solution are consistent with the above geometry. (C) 2000 Elsevier Science S.A. All rights reserved.

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页码：276 / 280

页数：5

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