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. 2007 Dec 6;64(Pt 1):m35.
doi: 10.1107/S1600536807058102.

catena-Poly[[diaqua-manganese(II)]-μ-pyridine-2,4,6-tricarboxyl-ato-κN,O,O:O,O]

Da-Wei Fu  1 , Hai-Jun Xu
Affiliations

catena-Poly[[diaqua-manganese(II)]-μ-pyridine-2,4,6-tricarboxyl-ato-κN,O,O:O,O]

Da-Wei Fu et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound, [Mn(C(8)H(2)NO(6))(H(2)O)(2)](n), each pyridine-2,4,6-tricarboxyl-ate (tpc) ligand bridges two Mn(II) ions with the formation of polymeric chains located on a twofold rotation axis. Each Mn(II) ion is coordinated by two O and one N atoms from one tpc ligand, two O atoms from another ligand and two water mol-ecules in a distorted penta-gonal-bipyramidal geometry. The Mn-N [2.243 (2) Å] and Mn-O [2.206 (2)-2.3123 (16) Å] bond lengths are normal. The coordinated water mol-ecules link neighbouring polymeric chains via O-H⋯O hydrogen bonds into a two-dimensional framework parallel to the bc plane.

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Figures

Fig. 1.
Fig. 1.
A portion of polymeric chain in (I), showing the atomic numbering scheme and displacement ellipoids drawn at the 30% probability level [symmetry codes: (A) -x, y, 1/2 - z; (B) x, y + 1, z; (C) -x, y + 1, 1/2 - z].
Fig. 2.
Fig. 2.
A portion of the crystal packing viewed along the a axis. Dashed lines denote O—H···O hydrogen bonds. H atoms were omitted for clarity.
See this image and copyright information in PMC

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