Kinetics and thermodynamics of the formation of the monoglycinate complexes of cobalt(II), nickel(II), copper(II) and zinc(II) in water, at pressures from 1 bar to 3 kbar
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 69, 560-569
- https://doi.org/10.1039/f19736900560
Abstract
The volumes of activation for the formation of the monoglycinate complexes of nickel(II), cobalt(II), copper(II) and zinc(II) are found to be 8 ± 2, 10 ± 1, 12 ± 1 and 7 ± 1 cm3 mol–1, respectively. After allowance has been made for the volume change accompanying outer-sphere complex formation, these values are similar to those found for the reactions of nickel(II) and cobalt(II) with ammonia and pyridine-2-azodimethylaniline, and are likewise interpreted, in terms of the Eigen mechanism for ligand substitution, as resulting from the stretching of a metal-water bond.Keywords
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