Complexes of transition metals with oxygen donor ligands. Part I. Electronic and infrared spectra of some complexes of 2,6-dimethyl-4-pyrone
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 1835-1839
- https://doi.org/10.1039/j19690001835
Abstract
The structures of a series of complexes of 2,6-dimethyl-4-pyrone with cobalt(II), nickel(II), copper(II), zinc(II), and chromium(III) have been elucidated from their electronic and far-i.r. spectra, and magnetic and conductivity measurements. Metal–halogen stretching frequencies are assigned for the metal halide complexes. In all cases the 2,6-dimethyl-4-pyrone is co-ordinated through the carbonyl oxygen, and tentative assignments are made for the metal–ligand stretching vibrations. The Dq-value for the ligand in the nickel(II) perchlorate complex indicates that the metal–ligand bonds are slightly stronger than metal–pyridine N-oxide bonds.Keywords
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