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Catena-Poly[[(dimethyl-formamide-?O)copper(II)]-bis-(?-4-nitro-phenyl-cyanamido-?N:N)].

ABSTRACT: In the title compound, [Cu(C(7)H(4)N(3)O(2))(2)(C(3)H(7)NO)], the Cu(II) atom is five-coordinated in a distorted square-pyramidal geometry, with the N atoms in equatorial positions and the dimethyl-formamide O atom in an axial position. The dihedral angle between adjacent benzene rings is 70.33?(12)°.

SUBMITTER: Chiniforoshan H

PROVIDER: S-EPMC2969028 | biostudies-literature | 2009 Mar

REPOSITORIES: biostudies-literature

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catena-Poly[[(dimethyl-formamide-κO)copper(II)]-bis-(μ-4-nitro-phenyl-cyanamido-κN:N)].

Chiniforoshan Hossein H Jalilpour Soghra S Shirinfar Bahare B Khavasi Hamid Reza HR

Acta crystallographica. Section E, Structure reports online 20090311 Pt 4

In the title compound, [Cu(C(7)H(4)N(3)O(2))(2)(C(3)H(7)NO)], the Cu(II) atom is five-coordinated in a distorted square-pyramidal geometry, with the N atoms in equatorial positions and the dimethyl-formamide O atom in an axial position. The dihedral angle between adjacent benzene rings is 70.33 (12)°. ...[more]

PMID: 21582337

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catena-Poly[[(dimethyl-formamide-κO)cobalt(II)]-bis-[μ-(4-nitro-phenyl)-cyanamido]-κN:N;κN:N].

Project description:In the title coordination polymer, [Co(C(7)H(4)N(3)O(2))(2)(C(3)H(7)NO)](n), the Co(II) atom is five-coordinated in a distorted square-pyramidal CoON(4) geometry with the O atom from a dimethyl-formamide mol-ecule in an equatorial position. The bridging phenyl-cyanamide anions generate an infinite chain propagating in [001].

| S-EPMC2983514 | biostudies-literature

catena-Poly[[aqua-(2,2'-bipyridine-κN,N')copper(II)]-μ-5-nitro-isophthalato-κO,O:O].

Project description:In the asymmetric unit of the title compound, [Cu(C(8)H(3)NO(6))(C(10)H(8)N(2))(H(2)O)](n), there are two symmetry-independent one-dimensional coordination polymers related by a non-crystallographic inversion center. Within the polymers, the Cu(II )atoms, coordinated by the water mol-ecule and the chelating 2,2'-bipyridine ligands, are bridged by 5-nitro-benzene-1,3-dicarboxyl-ate dianions which act as tridentate ligands; the carboxyl-ate groups exhibit monodentate and symmetric bidentate coordination modes. The Cu(II) atoms show a strongly distorted octa-hedral coordination geometry. In the crystal structure, the two symmetry-independent coordination polymers form another one-dimensional polymeric structure via O-H⋯O hydrogen bonds between coordinated water mol-ecules and carboxyl-ate groups.

| S-EPMC2959803 | biostudies-literature

catena-Poly[[aqua-bis-(pyridine-κN)copper(II)]-μ-2,2'-(p-phenyl-enedi-oxy)diacetato-κO:O'].

Project description:In the title compound, [Cu(C(10)H(8)O(6))(C(5)H(5)N)(2)(H(2)O)](n), the Cu atom is five-coordinated by two O atoms from two carboxyl-ate groups of two different 2,2'-(p-phenyl-enedi-oxy)diacetate ligands, two N atoms from two pyridine mol-ecules and one water O atom. The geometry is square-pyramidal with the water O atom occupying the apical position. The carboxyl-ate group bridges adjacent Cu atoms, forming an infinite zigzag chain extending parallel to [001]. The chains are linked into layers by O-H⋯O hydrogen bonds. The Cu and water O atoms lie on special positions of site symmetry 2.

| S-EPMC2983391 | biostudies-literature

catena-Poly[[[(dimethyl-malonato-κO:O')(perchlorato-κO)copper(II)]-μ-bis-(3-pyridylmeth-yl)piperazinediium-κN:N] perchlorate dihydrate].

Project description:In the title compound, {[Cu(C(5)H(6)O(4))(ClO(4))(C(16)H(22)N(4))]ClO(4)·2H(2)O}(n), square-pyramidally coordinated Cu atoms with perchlorate and dimethyl-malonate ligands are connected into cationic sinusoidal coordination polymer chains by doubly protonated bis-(3-pyridylmeth-yl)piperazine (3-bpmp) ligands. The chains aggregate into pseudo-layers parallel to the (101) crystal planes by N-H⋯O hydrogen bonding. Unligated perchlorate anions and water mol-ecules of crystallization provide additional hydrogen bonding between pseudo-layers.

| S-EPMC2959823 | biostudies-literature

catena-Poly[[bis-(N,N-dimethyl-formamide-κO)zinc]-μ(2)-oxalato-κO,O:O,O].

Project description:In the crystal structure of the title compound, [Zn(C(2)O(4))(C(3)H(7)NO)(2)](n), the Zn(II) ion is situated on a twofold rotation axis and has a distorted octa-hedral coordination geometry defined by the O atoms of two dimethyl-formamide mol-ecules and four O atoms of two bidentate oxalate ligands. The oxalate anion is located on an inversion centre and bridges two metal ions, resulting in a polymeric structure with infinite zigzag chains extending parallel to [010].

| S-EPMC3200650 | biostudies-literature

Poly[[(N,N-dimethyl-formamide-κO)(μ(3)-pyrazine-2,3-dicarboxyl-ato-κN,O:O:O)copper(II)] monohydrate].

Project description:In the title compound, {[Cu(C(6)H(2)N(2)O(4))(C(3)H(7)NO)]·H(2)O}(n), the Cu(II) atom is coordinated by an N,O-bidentate pyrazine-2,3-dicarboxyl-ate (pzdc) dianion, two O atoms from two other pzdc anions and one O atom from the dimethlyformamide ligand, forming a distorted square-pyramidal CuNO(4) geometry. The polymeric character of the structure is established by the formation of layers parallel to (100) via bridging pzdc ligands. O-H⋯O hydrogen bonding between water mol-ecules and uncoordinated carboxyl-ate O atoms leads to additional stabilization of the structure.

| S-EPMC2979988 | biostudies-literature

catena-Poly[[bis-(3-carb-oxy-5-nitro-benzoato-κO)copper(II)]-μ-1,3-di-4-pyridylpropane-κN:N'].

Project description:In the title compound, [Cu(C(8)H(4)NO(6))(2)(C(13)H(14)N(2))](n), the square-planar coordinated Cu(II) ion lies on an inversion centre and is coordinated by two protonated 5-nitro-isophthalate ligands. The Cu(II) ions are linked into a one-dimensional coordination polymer by tethering 1,3-di-4-pyridylpropane ligands, whose central methyl-ene C atoms are situated on twofold rotation axes. The chains are oriented parallel to the c axis, and stack into a supra-molecular three-dimensional structure through O-H⋯O hydrogen-bonding inter-actions.

| S-EPMC2969884 | biostudies-literature

catena-Poly[[bis-(dimethyl-formamide-?O)cadmium]-bis-(?-4-nitro-phenyl-cyanamido-?N:N)].

Project description:In the title coordination polymer, [Cd(C(7)H(4)N(3)O(2))(2)(C(3)H(7)NO)(2)](n), the Cd(II) atom, lying on an inversion center, is six-coordinated in a distorted N(4)O(2) octa-hedral geometry. The N atoms of the 4-nitrophenylcyanamide anions form the equatorial plane and the O atoms of the dimethyl-formamide mol-ecules occupy the axial positions. The anions act as bridging ligands, connecting the Cd atoms into a one-dimensional coordination polymer along [100].

| S-EPMC3297207 | biostudies-literature

catena-Poly[[bis-(1-methyl-1H-imidazole-κN)zinc]-μ-3-nitro-phthalato-κO:O].

Project description:In the title complex, [Zn(C(8)H(3)NO(6))(C(4)H(6)N(2))(2)](n), the carboxyl-ate groups of the 3-nitro-phthalate dianion ligand coordinate the Zn(II) ion in a bis-monodentate mode. The Zn(II) ion shows distorted tetra-hedral coordination as it is bonded to two O atoms from the carboxyl-ate groups of symmetry-related 3-nitro-phthalate anions and two N atoms of two independent 1-methyl-imidazole mol-ecules. The bridging 3-nitro-phthalate ligand allows the formation of one-dimensional chains in the c direction. The crystal structure is further stabilized by weak inter-molecular C-H⋯O hydrogen bonds.

| S-EPMC3297226 | biostudies-literature

catena-Poly[[[bis-[μ-3-(4-carb-oxy-phen-oxy)propionato]-κO,O:O;κO:O,O-bis-[aqua-(N,N-dimethyl-formamide-κO)cadmium]]-μ-4,4'-bipyridine-κN:N'] dinitrate].

Project description:In the title coordination polymer, {[Cd(2)(C(10)H(9)O(5))(2)(C(10)H(8)N(2))(2)(C(3)H(7)NO)(2)(H(2)O)(2)](NO(3))(2)}(n), the 3-(4-carb-oxy-phen-oxy)propionate monoanion O,O'-chelates to a Cd(II) cation through the aliphatic carboxyl-ate end. One of these O atoms is also connected to the metal cation from an inversion-related metal atom. The five O atoms bonded to the metal centre form a penta-gon, above and below which are located the N atoms of the 4,4'-bipyridine mol-ecules. The polycationic ribbon propagates along the b axis of the unit cell. The (aromatic) carboxyl end of the monoanion connects adjacent ribbons into a layer motif in the (102) plane. The nitrate ions are hydrogen bonded to the layer. The geometry of the Cd(II) atom is a trans-N(2)O(5)Cd penta-gonal bipyramid.

| S-EPMC3274930 | biostudies-literature

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