Chromium(II) chemistry. Part VI. Magnetic and spectroscopic studies of diethylenetriamine complexes
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2276-2279
- https://doi.org/10.1039/j19690002276
Abstract
The chromium(II) complexes of diethylenetriamine (dien), Cr dien2X2, where X = Cl, Br, or I, have been shown to be high-spin and, from their diffuse reflectance spectra which are almost identical with those of tris(ethylenediamine)chromium(II) complexes, to have distorted octahedral structures. In solution in dimethylformamide, where the ethylenediamine complexes lose a ligand molecule, both dien molecules remain co-ordinated. The solution and solid-state spectra of the dien complexes are almost identical. From their antiferromagnetism and spectra the monoamine complexes Cr dien X2 are considered to have halide-bridged, binuclear structures with the dien molecules co-ordinated in a plane at right angles to the main distortion axis.Keywords
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