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<p>A chronovoltammetric method for studying the kinetics of <i>trans-cis</i> isomerization of coordination metal compounds is proposed, using the example of a bis(glycinate) complex of palladium(II). It is shown that the isomerization of <i>trans</i>-[Pd(gly)<sub>2</sub>] to <i>cis</i>-[Pd(gly)<sub>2</sub>] is described by first-order kinetics; the rate constant (<i>k</i> = 1.08·10<sup>–4</sup> s<sup>–1</sup>) and the half-life (<i>t</i><sub>1/2</sub> = 107 min) were determined. It has been established that isomerization follows an intramolecular mechanism characteristic of square planar complexes, without changing the coordination number.</p>

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Chronovoltammetric Method Use of Kinetic Study of Trans-Cis Isomerization of Complex Compounds

  • 期刊论文

  • 发表日期：

    2025年1月1日

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  • V. S. Kublanovsky,
  • V. M. Nikitenko,
  • E. A. Babenkov

摘要

A chronovoltammetric method for studying the kinetics of trans-cis isomerization of coordination metal compounds is proposed, using the example of a bis(glycinate) complex of palladium(II). It is shown that the isomerization of trans-[Pd(gly)2] to cis-[Pd(gly)2] is described by first-order kinetics; the rate constant (k = 1.08·10–4 s–1) and the half-life (t1/2 = 107 min) were determined. It has been established that isomerization follows an intramolecular mechanism characteristic of square planar complexes, without changing the coordination number.