Abstract
The combined use of NMR spin-lattice relaxation and contact shift to investigate the conformational and dynamical properties of Nickel acetate and propionate complexes is reported. The analysis of the C-13 and H-1 contact shift together with INDO MO calculations gave information on the delocalization mechanism and geometries of the complexes. From these geometries, and by means of C-13 and H-1 spin lattice relaxation spectroscopy the correlation time for Ni-ligand dipolar interaction was calculated and found to be identical to the Ni 2+ electron spin lattice relaxation time.
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