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Acta Cryst. (2009). E65, m556 [ doi:10.1107/S1600536809013889 ]
![[mu]](/logos/entities/mu_rmgif.gif)
3-pyridine-3,5-dicarboxylato-![[kappa]](/logos/entities/kappa_rmgif.gif)
3N:O3:O5)copper(II)]Abstract: The title complex, [Cu(C7H3NO4)(H2O)2]n, was prepared under hydrothermal reaction conditions. In the crystal structure, the CuII cation is located on a twofold rotation axis and is coordinated by two carboxylate O atoms and one N atom from three pyridine-3,5-dicarboxylate (PDA) anions and two water molecules with a distorted trigonal-bipyramidal geometry. The tridentate PDA anion is also located on the twofold rotation axis and bridges the CuII cations to form a two-dimensional polymeric layer. O-H
O hydrogen bonding between layers links the two-dimensional layers into a three-dimensional supramolecular framework.
Online 22 April 2009
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