The electronic properties and stereochemistry of the copper(II) ion. Part VI. Bis(bipyridyl)copper(II) complexes
- 1 January 1969
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2219-2224
- https://doi.org/10.1039/j19690002219
Abstract
The electronic, e.s.r., and i.r. spectra of a series of [Cu bipy2X]Y-type complexes, where X = ONO–, HCO2 –, MeCO2 –, PhCO2 –, NCS–, ½C2O4 2– and Y = ClO4; where X = Y = ClO4 –, NO3 –, and BF4 –; and [Cu bipy2NH3]X2, where X = ClO4 – and BF4 –, are reported. By comparing these electronic properties with those of the trigonal-bipyramidal [Cu bipy2l]I and the cis-distorted octahedral [Cu bipy2(ONO)]NO3 complexes, possible molecular structures are suggested. The complexes with X = ONO– or a carboxylate anion have a cis-distorted octahedral stereochemistry; with X = NCS– or NH3 and approximately trigonal-bipyramidal stereochemistry is suggested. Possible stereochemistries for the complexes Cu bipy2X2, where X = ClO4 –, BF4 –, and NO3 –, are discussed. The molecular structures of the corresponding [Cu phen2X]Y type complexes are considered to be analogous.Keywords
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