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metal-organic compounds
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In the title compound, [Ni(C6H3ClNO2)2(H2O)4]·4H2O, the NiII ion is located on an inversion centre and is octahedrally coordinated by four O atoms from four water molecules in the equatorial plane and two O atoms of two 6-chloro-3-carboxylate ligands in axial positions. There are also four lattice water molecules present. The organic ligands are bound to the NiII ion in a monodentate manner through a carboxylate O atom. There is one strong intramolecular O—H
O hydrogen bond and six intermolecular O—HO and O—HN hydrogen-bonding interactions in the packing, resulting in a complex three-dimensional network structure.
O hydrogen bond and six intermolecular O—HO and O—HN hydrogen-bonding interactions in the packing, resulting in a complex three-dimensional network structure.metal-organic compoundsOpen access
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In the title compound, [Co(C6H3ClNO2)2(H2O)4]·4H2O, the CoII cation is located on an inversion center and is coordinated by four water molecules and two 6-chloropyridine-3-carboxylate anions in a slightly distorted octahedral geometry. In the crystal, complex molecules and lattice water molecules are linked by O—HO and O—HN hydrogen bonds into a three-dimensional network.
O and O—HN hydrogen bonds into a three-dimensional network. metal-organic compoundsOpen access
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In the title compound, {[Cu(C11H5NO4)(H2O)2]·H2O}n, the CuII ion is five-coordinated by two O atoms and one N atom of two symmetry-related quinoline-2,3-dicarboxylate ligands, and two water molecules. The water molecules occupy basal and apical positions of the square-pyramidal coordination polyhedron. Each quinoline-2,3-dicarboxylate dianion bridges two adjacent CuII ions, forming a polymeric chain along [010]. The chains are further connected via O—HO hydrogen-bonding interactions and quinoline ring π–π interactions [centroid–centroid distance = 3.725 (4) Å], generating a three-dimensional structure. Lattice water molecules participate in the crystal structure via O—HO hydrogen bonds.
O hydrogen-bonding interactions and quinoline ring π–π interactions [centroid–centroid distance = 3.725 (4) Å], generating a three-dimensional structure. Lattice water molecules participate in the crystal structure via O—HO hydrogen bonds.
