A New Look at Structure and Bonding in Transition Metal Complexes
作者： J. K. BURDETT
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摘要: Publisher Summary The construction of models molecular geometry has been a popular exercise for many years. In the field main-group stereochemistry ideas Sidgwick, Powell, Nyholm, and Gillespie have successfully fused together into VSEPR scheme, where electron pairs around central atom adopt minimum energy consistent with their mutual electrostatic repulsion. rules captured much essence are unrivalled in simplicity. addition, Walsh diagrams quantified by work Gimarc others, pseudo Jahn-Teller formalism introduced Bartell (9) structural extended Pearson (10, 11) provided orbital interpretation wide range available data. By way contrast, fewer gas-phase structures transition metal complexes known: few d0–d4 hexafluorides (all octahedral), do–d1 tetrachlorides (tetrahedral), some 18-electron carbonyl phosphine typified tetrahedral Ni(CO)4 octahedral Cr(CO)6, trigonal bipyramidal Fe(CO)5.
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