Acta Cryst. (2008). E64, m471  [ doi:10.1107/S1600536808004066 ]

Dichloridobis[(S)-2-hydroxypropionamide-²O,O']manganese(II)

P. Lemoine, B. Viossat, J. D. Brion and A. Bekaert

Abstract: In the title compound, [MnCl₂(C₃H₇NO₂)₂], the Mn^II ion is bound to two Cl atoms and to four O atoms from two lactamide molecules which act as bidentate ligands, giving rise to a highly distorted octahedral coordination geometry. The axial positions are occupied by one Cl atom and one O (hydroxy) atom. The values of the cis bond angles at the Mn atom are in the range 72.33 (5)-100.17 (6)°. Of the two possible coordination modes (N,O- or O,O-bidentate) in metal complexes with lactamide or its derivatives described in the literature, the title compound exhibits the O,O-bidentate mode. In the crystal structure, monomeric manganese(II) complexes are linked by several N-HCl, O-HCl and O-HO hydrogen bonds, generating a three-dimensional network.

Online 13 February 2008

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