PREPARATIONS AND STRUCTURES OF A ZINC(II) DIMER AND ZINC(II) NICKEL(II) PENTANUCLEAR DERIVATIVES OF N,N'-BIS(MERCAPTOETHYL)-1,5-DIAZACYCLOOCTANE - [(BME-DACO)ZN]2 AND ([(BME-DACO)NI]3[ZNCL]2)(BF4)2

被引：59

作者：

TUNTULANI, T ^{[1
]}

REIBENSPIES, JH ^{[1
]}

FARMER, PJ ^{[1
]}

DARENSBOURG, MY ^{[1
]}

机构：

[1] TEXAS A&M UNIV SYST,DEPT CHEM,COLL STN,TX 77843

来源：

INORGANIC CHEMISTRY | 1992年 / 31卷 / 17期

关键词：

D O I：

10.1021/ic00043a002

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The full scope of the square planar (BME-DACO)-Ni(II) unit as a metallothiolate ligand is realized in its reaction with zinc chloride giving rise to an unprecedented Zn/Ni heteropentanuclear pinwheel structure. Three (BME-DACO)Ni(II) units serve as bidentate bridging ligands to two zinc ions, each of which finds itself in a tetrahedral coordination of three sulfurs and one chloride. The tetrahedral preference of zinc in its coordination complexes is frustrated by the sterically restricted N2S2 donor ligand N,N'-bis(mercaptoethyl)-1,5-diazacyclooctane (BME-DACO2-), which leads to a dimer in which Zn s an approximate square pyramidal coordination, with a 2 Zn-2 S core.

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页码：3497 / 3499

页数：3

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