Thermodynamics of the interaction of Ni(II) ion with cysteine

Srivastava, S. K. ; Raju, E. V. ; Mathur, H. B. (1973) Thermodynamics of the interaction of Ni(II) ion with cysteine Journal of Inorganic and Nuclear Chemistry, 35 (1). pp. 253-259. ISSN 0022-1902

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Official URL: http://dx.doi.org/10.1016/0022-1902(73)80632-3

Related URL: http://dx.doi.org/10.1016/0022-1902(73)80632-3

Abstract

The stepwise formation constants, enthalpy and entropy changes for the formation of bis-cysteino-Ni(II) chelate have been determined. The analysis of the thermodynamic quantities shows that the chelate has a square planar symmetry and that the enthalpy change associated with the formation of the Ni(II)---S bond is nearly half of that expected of the Ni(II)---N bond. The visible and u.v. absorption spectrum of the chelate is consistent with a square planar symmetry.

Item Type:Article
Source:Copyright of this article belongs to Elsevier Science.
ID Code:31417
Deposited On:05 Mar 2011 05:36
Last Modified:09 Jun 2011 08:16

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