Complex formation of mercury(II) chloride with dipeptides

D. F. Pyreu; E. V. Kozlovskii; M. S. Gruzdev; R. S. Kumeev

doi:10.1134/S1070363217030379

Complex formation of mercury(II) chloride with dipeptides

Авторы: Pyreu D.¹, Kozlovskii E.¹, Gruzdev M.², Kumeev R.²
Учреждения:
1. Ivanovo State University
2. Krestov Institute of Solution Chemistry
Выпуск: Том 87, № 3 (2017)
Страницы: 605-612
Раздел: Selected articles originally published in Russian in Rossiiskii Khimicheskii Zhurnal (Russian Chemistry Journal)
URL: https://journals.rcsi.science/1070-3632/article/view/219055
DOI: https://doi.org/10.1134/S1070363217030379
ID: 219055

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Аннотация

Mixed-ligand complex formation in the HgCl–L systems (L= GlyGly, AlaAla) has been studied by pH potentiometry, calorimetry, and ¹Н and ¹³С NMR spectroscopy in aqueous solutions at 298.15 K and ionic strengths I of 0.5 (KNO₃). The thermodynamic parameters of formation of Hg_nCl_pL_qH_–r (n = 1; p = 0, 1, 2; q = 1, 2; r = 0, 1, 2) complexes have been determined. The most probable coordination modes of the dipeptide molecules in the mixed-ligand complexes were discussed.