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Molecular modelling for coordination compounds: Cu(II)-amine complexes
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UNSPECIFIED (2005) Molecular modelling for coordination compounds: Cu(II)-amine complexes. DALTON TRANSACTIONS (22). pp. 3638-3645. doi:10.1039/b507295f ISSN 1477-9226.
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Official URL: http://dx.doi.org/10.1039/b507295f
Abstract
The Ligand Field Molecular Mechanics (LFMM) method has been applied to 85 Cu(II)-amine complexes, eighteen of which were selected to form a training set. A single set of parameters yields Cu-N bond lengths for four-, five- and six-coordinate systems generally within 0.04 angstrom of their X-ray crystallographic values. Larger deviations are indicative of counterion effects and/or crystallographic artefacts arising from Jahn-Teller averaging. The LFMM treatment is flexible and unbiased and for simple ligands, automatically gives planar CuN4 and tetragonally elongated CuN6 complexes. In agreement with experiment, square-pyramidal coordination is marginally favoured over trigonal bipyramidal coordination for CuN5 species. However, if the ligand requirements dictate, the LFMM accommodates trigonal bipyramidal coordination for CuN5 species, tetrahedral distortions of CuN4 species and cis-elongated CuN6 species.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry | ||||
Journal or Publication Title: | DALTON TRANSACTIONS | ||||
Publisher: | ROYAL SOC CHEMISTRY | ||||
ISSN: | 1477-9226 | ||||
Official Date: | 2005 | ||||
Dates: |
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Number: | 22 | ||||
Number of Pages: | 8 | ||||
Page Range: | pp. 3638-3645 | ||||
DOI: | 10.1039/b507295f | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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