Abstract
The title manganese(II) coordination polymer, [Mn(C7H6NO2)2(H2O)2]n, which was obtained from a solvothermal reaction of 3-pyridylacetic acid hydrochloride with Mn(ClO4)2·6H2O, is centrosymmetric, so pairs of equivalent ligands lie trans to each other in a slightly distorted octahedral geometry such that the MnII center is coordinated by two pyridyl N atoms [Mn—N = 2.287 (4) Å], two carboxylate O atoms [Mn—O = 2.129 (3) Å] and two water molecules [Mn—O = 2.179 (3) Å]. Each unit is further extended into two-dimensional sheets with a rhombic grid through sharing MnII ions, 3-pyridylacetate anionic ligands and intramolecular O—H⋯O hydrogen bonds with angles at hydrogen of 147°. Adjacent two-dimensional layers are connected via intermolecular O—H⋯O and weak C—H⋯O hydrogen-bonding contacts, resulting in a three-dimensional framework with oxygen as a trifurcated acceptor atom.
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More From: Acta Crystallographica Section E Structure Reports Online
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