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metal-organic compounds
In the title compound, [Cu(C8H3NO6)(C10H8N2)]n, the Cu atom exists in a four-coordinate environment defined by two carboxyl O atoms belonging to two 5-nitroisophthalate dianions and two N atoms from a 2,2′-bipyridine molecule. The 5-nitroisophthalate dianion acts as a bridge between two Cu atoms in a tris-monodentate coordination mode, resulting in a zigzag coordination polymer.
metal-organic compounds
In the title compound, {[Ni(C14H8O5)(C12H8N2)]·0.25H2O}n, the Ni atom displays a distorted octahedral geometry defined by four carboxy O atoms from two 4,4′-oxydibenzoate (oba) dianions and two N atoms from a 1,10-phenanthroline molecule. The V-shaped oba anion acts as a bridge between two Ni atoms in a tris-bidentate coordination mode, forming a zigzag coordination polymer.
organic compounds
The title compound, C10H9N2+·C8H4NO6−·C8H5NO6·2H2O, consists of singly protonated 2,2′-bipyridinium cations, 5-nitroisophthalate anions, 5-nitroisophthalic acid and water molecules of crystallization, linked by N—H
O and O—HO hydrogen bonds. The moieties are linked by multiple hydrogen bonds into an undulating sheet structure.
O and O—HO hydrogen bonds. The moieties are linked by multiple hydrogen bonds into an undulating sheet structure. metal-organic compounds
In the crystal structure of the title compound, [Co2(C14H8O5)2(C12H8N2)2(H2O)2]n, the dianion functions as a bridging ligand, bonding through both carboxyl –CO2 end groups to link symmetry-related [Co(C12H8N2)(H2O)] entities into a ribbon structure.
metal-organic compounds
In the title compound, [Cu2(C8H4O4)(C10H8N2)4](ClO4)2·2H2O, each Cu atom is surrounded by an O atom of a terephthalate dianion and four N atoms of two 2,2′-bipyridine molecules, forming a distorted square-pyramidal geometry. The terephthalate dianion functions as a bridge between two Cu atoms and forms a dinuclear complex.
metal-organic compounds
In the title compound, [Ni(C14H8O5)(C10H8N2)]n, the NiII atom is coordinated by four O atoms of two 4,4′-oxydibenzoate (oba) dianions and two N atoms of a chelate 2,2′-bipyridine ligand to furnish a distorted octahedral coordination environment. The V-shaped oba dianion acts as a bridge between two Ni atoms to form a zigzag chain coordination polymer.
metal-organic compounds
In the title compound, {[Ni(C7H4O5S)(C12H10N2)(H2O)2]·0.25H2O}n, the NiII atom has a distorted octahedral environment formed by two N and four O atoms. The 1,2-di-4-pyridylethylene ligands, which lie on inversion centers, function as μ2-bridging ligands to form a linear chain. The 2-sulfonatobenzoate ligands protrude alternately on both sides of the linear chain and chelate to the NiII atoms through one carboxylate O atom and one sulfonate O atom.
metal-organic compounds
In the title compound, [Zr(C8H5O5)2(C12H10N2)2]·H2O, each Zr atom is surrounded by four carboxylate O atoms of two 5-hydroxyisophthalate anions and two N atoms of two 1,2-di-4-pyridylethene ligands, the 5-hydroxyisophthalate anion functioning in a chelating coordination mode. The Zr atom is six-coordinate and the geometry is strongly distorted octahedral. The Zr cation and the water molecule lie on a crystallographic twofold axis.
metal-organic compounds
The title compound, (C6H14N2)[Co(H2O)6](SO4)2, consists of hexaaquacobalt(II) cations, 1,4-diazabicyclo[2,2,2]octane cations and sulfate anions, linked by O—HO hydrogen bonds. The geometry around the Co2+ cation is octahedral.
O hydrogen bonds. The geometry around the Co2+ cation is octahedral.metal-organic compounds
The title compound, (C6H14N2)[Zn(C5H2N2O4)2(H2O)2]·2H2O, consists of diaquabis(pyrazole-3,5-dicarboxylato)zincate(II) dianions, 1,4-diazoniabicyclo[2,2,2]octane dications and water molecules of crystallization, linked by O—HO and N—HO hydrogen bonds into a three-dimensional network. The geometry around the Zn2+ centre is octahedral.
O and N—HO hydrogen bonds into a three-dimensional network. The geometry around the Zn2+ centre is octahedral. metal-organic compounds
In the title compound, [Cu2(C8H3O7S)(C12H8N2)3(H2O)2]ClO4·3H2O, the 5-sulfonatoisophthalate trianion functions as a bridge between two Cu atoms to form an asymmetric dinuclear cation. One Cu atom is surrounded by four O atoms, two from a 5-sulfonatoisophthalate trianion and two from water ligands, and by two N atoms from a 1,10-phenanthroline ligand. The second Cu atom is bound to two O atoms from a 5-sulfonatoisophthalate trianion and four N atoms from two 1,10-phenanthroline ligands. Both copper centers have a distorted octahedral geometry.
organic compounds
The title compound, C9H6O6·2H2O, consists of trimesic acid molecules and water molecules of crystallization, linked by O—HO hydrogen-bond interactions into a three-dimensional network structure.
O hydrogen-bond interactions into a three-dimensional network structure. organic compounds
The asymmetric unit of the title compound, C10H10N22+·2C9H5O6-·C9H6O6·6H2O, consists of half of a bipyridinium cation, one singly deprotonated 3,5-dicarboxybenzoate anion, one half of a benzene-1,3,5-tricarboxylic acid molecule and three water molecules that are linked by hydrogen bonds into a network structure. The two halves of the bipyridinium cation are related by an inversion centre and those of the benzene-1,3,5-tricarboxylic acid molecule by twofold rotation.
metal-organic compounds
In the title compound, (C2H8N)2[Cu(C2O4)2(H2O)]·H2O, the cations, anions and water molecules are linked by hydrogen bonds into a network structure. Two oxalate dianions and one water molecule are coordinated to the Cu atom and the geometry is square pyramidal.
metal-organic compounds
In the title compound, [Ce2(C5H2N2O4)(C5H3N2O4)4(H2O)6]n, each Ce atom is nine-coordinated by three water molecules, four 3-carboxypyrazole-5-carboxylate monoanions (two pairs of symmetry-related anions), and a pyrazole-3,5-dicarboxylate dianion. Two symmetry-related Ce atoms are bridged by a pyrazole-3,5-dicarboxylate dianion, which lies across a twofold rotation axis. There are two independent 3-carboxypyrazole-5-carboxylate monoanions which differ in their coordination modes; one is monodentate and the other is tetradentate. The Ce atoms are bridged by both pyrazole-3,5-dicarboxylate dianions and 3-carboxypyrazole-5-carboxylate monoanions, generating a three-dimensional network structure.
metal-organic compounds
In the title compound, (C2H8N)2[Cu2(C5HN2O4)2(H2O)2]·H2O, the cations, anions and water molecules are linked by hydrogen bonds into a network structure. Two pyrazole-3,5-dicarboxylate trianions and one water molecule are coordinated to the CuII ion and the geometry is square-pyramidal. Each pair of CuII ions is bridged by two pyrazole-3,5-dicarboxylate trianions, forming a dinuclear ring.
metal-organic compounds
In the title compound, [Cu2(C7H6NO4S)2Cl2(C10H9N3)2]·2H2O, each CuII ion is six-coordinated by three O atoms, viz. carboxylate and sulfamoyl O atoms from two 4-sulfamoylbenzoate anions, by two N atoms from a di-2-pyridylamine ligand, and by a Cl atom. Each pair of CuII ions is bridged by two 4-sulfamoylbenzoate anions and each ion has the same coordination environment, forming a dinuclear ring. The dinuclear complex is centrosymmetric.
organic compounds
In the title compound, C6H5NO3·CH4N2O, 4-nitrophenol molecules are linked to urea molecules by O—HO and N—HO hydrogen bonds, forming a network structure.
O and N—HO hydrogen bonds, forming a network structure.
