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- Title
Structural Aspects of Cadmium(II) Complexes - Isomers.
- Authors
Melník, Milan; Yalent, Aladár; Kohútová, Mária
- Abstract
The coordination chemistry of cadmium(II) covers wide fields, as shown by a survey covering the crystallographic and structural data of over 600 examples. About 8 % of those complexes exist as isomers and are summarised. Included are distortion (91.5 %), ligand isomerism (6.5 %), mixed isomerism (distortion and cis - trans) (1 %) and polymerisation isomerism (1 %). These are discussed in terms of the coordination about the cadmium atom, and correlations are drawn between donor atom, bond lengths and interbond angles. Distortion isomers, differing only by degree of distortion in Cd - L and L - Cd - L angles, are the most common. There are four - (tetrahedrally), five - (trigonal bipyramidally), six - (pse.udo octahedrally), seven - (pentagonal bipyramidally) and eight - (dodecahedrally, hexagonal bipyramidally) coordinate cadmium(Il) atoms. Most common are pseudo octahedral. Noticeably, in the chemistry of zinc(II) only two types of isomerism were formed, namely distortion (96 %) and ligand isomerism (4 %).
- Publication
Main Group Metal Chemistry, 2009, Vol 32, Issue 5, p269
- ISSN
0792-1241
- Publication type
Article