Trends in the Spectrochemical Series and 31P Chemical Shifts of Five-coordinated Cyclopentadienylnickel(II) Complexes
- 15 April 1973
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 51 (8) , 1179-1182
- https://doi.org/10.1139/v73-177
Abstract
The electronic spectra and 31P n.m.r. spectra of the complexes π-C5H5NiPPh3X (X = Cl, Br, I, NCO, NCS, NO2, CN, SnCl3, SnPh3, PbPh3, alkyl, and aryl) have been obtained and interpreted. The "common" anions form a spectrochemical series which is identical with that reported for many octahedral systems, while the carbon, tin, and lead donors lie relatively high in the series. Currently accepted theory for the chemical shifts of ligand donor atoms fails to satisfactorily rationalize the 31P chemical shifts.Keywords
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