Hemi[hexaaquamagnesium(II)] (mu-2,6-bis[[bis(carboxylatomethyl)amino]methyl]-4-chlorophenolato)bis[diaquamagnesium(II)] decahydrate

Acta Crystallographica. Section C, Crystal Structure Communications
Fei GaoYi-Bin Wei

Abstract

The crystal structure of the title compound, [Mg(H2O)6]0.5[Mg2(C16H14ClN2O9)(H2O)4].10H2O, shows that this binuclear complex consists of two Mg centres in distorted octahedral geometry, joined by an oxo bridge which is a derivative of the deprotoned hydroxy group of the phenolate in the ligand molecule. In the anion, the coordination sphere of each MgII ion is completed by two carboxylates, a tertiary N atom and two water molecules. The inner coordination spheres for the MgII ions are very similar, both in ligand sets and in geometry. Each unit of the binuclear complex has one negative charge neutralized by a neighbouring hydrated cation, [Mg(H2O)6]2+, in which the Mg atom lies on an inversion centre. In each cell, there are 34 water molecules and most of them participate in the formation of hydrogen bonds, which contribute greatly to the stability of the whole structure.

Citations

Apr 18, 2020·Inorganic Chemistry·David Van CraenAmar H Flood

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