Acta Cryst. (2005). E61, m271-m273  [ doi:10.1107/S1600536805000486 ]

Aqua(bromomaleato-O)bis(phenanthroline-²N,N')manganese(II) monohydrate

D.-X. Li, D.-J. Xu and Y.-Z. Xu

Abstract: In the title complex, [Mn(C₄HBrO₄)(C₁₂H₈N₂)₂(H₂O)]·H₂O, the Mn^II atom has a distorted octahedral coordination geometry formed by two bidentate phenanthroline (phen) molecules, one bromomaleate dianion and one water molecule. The large Mn-O-C bond angle of 143.31 (17)° implies poor overlap between the atomic orbitals of manganese and those of the carboxyl O atom, but despite this the Mn-O bond distance of 2.0574 (16) Å is short, suggesting a substantial electrostatic interaction in this bond. The overlapped arrangement and short face-to-face distances of 3.368 (5) and 3.501 (11) Å between neighboring parallel phen planes show - stacking in the crystal structure.

Online 15 January 2005

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