含单金属-碳键的金属配合物的一些性质

H. Hill, J. M. Pratt, ROBERT J. P. Williams
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引用次数: 22

摘要

讨论了CoA4XY型钴(III)配合物的物理和化学性质,包括电子吸收,红外和1H nmr光谱,其中A4可以是科林斯,希夫斯碱,或二甲基乙氧肟和X a碳配体,根据配合物中电子密度的变化。结果表明,烷基配体是强给体,通常产生五配位配合物。讨论了这些五配位钴(III)配合物与类似的钴(II)、镍(II)和钯(II)配合物的性质之间的关系,并考虑了五配位和六配位配合物中钴碳键的区别。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Some properties of metal complexes containing one metal-carbon bond
The physical and chemical properties, including electronic absorption, infra-red, and 1H n.m.r. spectra of cobalt(III) complexes of the type CoA4XY, where A4 can be corrin, a Schiffs base, or dimethylglyoxime and X a carbon ligand, are discussed in terms of the change in electron density in the complex. It is shown that alkyl ligands act as strong donors, often giving rise to five-co-ordinate complexes. The relationship of the properties of these five-co-ordinate cobalt(III) complexes to those of analogous cobalt(II) nickel(II) and palladium(II) complexes is discussed and the difference between the cobalt-carbon bond in the five- and six-co-ordinate complexes considered.
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