Bonding in Copper(II) Chelates: Solvent Effects in Their Visible Absorption Spectra
作者： R. Linn Belford , M. Calvin , Geneva Belford
DOI: 10.1063/1.1743485
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摘要: Absorption spectra, in the visible red and near infrared, are reported for solutions of bis‐acetylacetono‐Cu (II) its 3‐ethyl variant various media. The spectra could arise from a set three Gaussian components whose positions intensities shown to depend primarily upon solvent basicity. These component bands identified with 3d1—3d1 transitions predicted crystal field molecular orbital theories. behavior these alteration chelate ring substituents appears consistent postulate that pi‐bonding changes energetically less importance than splitting sigma bonding.
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