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Acta Cryst. (2009). E65, m1048  [ doi:10.1107/S1600536809030402 ]

Sodium 2-nitrocinnamate dihydrate: a one-dimensional hydrogen-bonded coordination polymer

G. Smith and U. D. Wermuth

Abstract: The title compound catena-poly[aquasodium-[mu]2-aqua-[mu]3-2-nitrocinnamato], [Na(C9H6NO4)(H2O)2]n, the sodium salt of trans-2-nitrocinnamic acid, is a one-dimensional coordination polymer based on six-coordinate octahedral NaO6 centres, comprising three facially related monodentate carboxylate O-atom donors from separate ligands (all bridging) [Na-O = 2.4370 (13)-2.5046 (13) Å], and three water molecules (two bridging and one monodentate) [Na-O = 2.3782 (13)-2.4404 (17) Å]. The structure is also stabilized by intra-chain water-carboxylate and water-nitro O-H...O hydrogen bonds.

Online 8 August 2009


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