Transition metal-σ-borane complexes

被引：101
作者：
Pandey, Krishna K. [1 ]
机构：
[1] Devi Ahilya Univ Indore, Sch Chem Sci, Indore 452017, Madhya Pradesh, India
来源：
COORDINATION CHEMISTRY REVIEWS | 2009年 / 253卷 / 1-2期
关键词：
Transition metal; Borane complexes; Structure; Spectroscopy; Chemical bonding; MOLECULAR-HYDROGEN COMPLEXES; CATALYZED DEHYDROGENATIVE BORYLATION; ENERGY DECOMPOSITION ANALYSIS; ORDER REGULAR APPROXIMATION; COORDINATE BONDING NATURE; B-H BONDS; DIHYDROGEN COMPLEXES; RUTHENIUM COMPLEXES; OXIDATIVE ADDITION; COUPLING-CONSTANTS;
D O I：
10.1016/j.ccr.2007.11.026
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Synthesis, structure and bonding in transition metal complexes with borane ligands HBcat' (catecholborane or substituted catecholborane), HBpin (pinacolborane), HBCy2 (dicyclohexylborane), HBEt2 (diethylborane) and HBMe2 (dimethylborane) have been discussed. The review summarizes the results and progress in the understanding of the nature of the metal-borane bonds, which has been gained in recent theoretical studies. Geometrical data (both experimental and theoretically calculated) show M-B, M-H and B-H bond distances longer than the sum of covalent radii. These results are consistent with the interaction of both boron and hydrogen with metal central, while preserving B-H bond character. The nature of the metal-borane interactions is quantitatively analyzed with an energy decomposition analysis. The [LnM]-[eta(2)-BHR2] bonding in metal-borane complexes is more than half electrostatic. (C) 2007 Elsevier B.V. All rights reserved.
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收藏
页码：37 / 55
页数：19
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