Abstract
The asymmetric unit of the title polymeric compound, {[Cu(C22H18N2O4)(H2O)2]·H2O}n, contains a Cu ion situated on an inversion center, half of a centrosymmetric 4,4′-[1,4-phenylenebis(methyleneimino)]dibenzoate ligand, a coordinated water molecule in a general position and an uncoordinated water molecule situated on a twofold rotation axis. The distorted octahedral coordination geometry of the CuII ion is formed by six O atoms. The –NH– groups of the ligand are involved in intramolecular N—H⋯O hydrogen bonds, while the water molecules participate in the formation of a three-dimensional supramolecular framework via intermolecular O—H⋯O hydrogen bonds.
Highlights
The asymmetric unit of the title polymeric compound, {[Cu(C22H18N2O4)(H2O)2]ÁH2O}n, contains a Cu ion situated on an inversion center, half of a centrosymmetric 4,40-[1,4phenylenebis(methyleneimino)]dibenzoate ligand, a coordinated water molecule in a general position and an uncoordinated water molecule situated on a twofold rotation axis
The –NH– groups of the ligand are involved in intramolecular N—HÁ Á ÁO hydrogen bonds, while the water molecules participate in the formation of a threedimensional supramolecular framework via intermolecular O—HÁ Á ÁO hydrogen bonds
Symmetry codes: (ii) −x+1, −y, −z+2; (iii) x, y−1, z; (iv) x, y+1, z
Summary
Key indicators: single-crystal X-ray study; T = 291 K; mean (C–C) = 0.004 A; R factor = 0.043; wR factor = 0.140; data-to-parameter ratio = 17.2
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