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Di-?-acetato-?O,O':O';?O:O,O'-bis-[(acetato-?O,O')bis-(5-nitro-1,10-phenanthroline-?N,N')cadmium].

ABSTRACT: In the binuclear title compound, [Cd(2)(C(2)H(3)O(2))(4)(C(12)H(7)N(3)O(2))(2)], the Cd(II) cations are linked by carboxyl-ate O atoms into a four-membered Cd(2)O(2) rhombic ring with a Cd? Cd separation of 3.7515?(5)?Å. Each Cd(II) atom is seven-coordinated by a bidentate 5-nitro-1,10-phenanthroline (5-NO(2)-phen) ligand and two bidentate acetate anions, one of which also acts as a bridge linking the two Cd atoms. The crystal packing is stabilized by ?-? inter-actions between the phen rings of neighboring mol-ecules, with centroid-centroid distances of 3.491?(2) (intra-molecular) and 3.598?(2)?Å (inter-molecular).

SUBMITTER: Cui F

PROVIDER: S-EPMC3200609 | biostudies-literature | 2011 Sep

REPOSITORIES: biostudies-literature

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Di-μ-acetato-κO,O':O';κO:O,O'-bis-[(acetato-κO,O')bis-(5-nitro-1,10-phenanthroline-κN,N')cadmium].

Cui Fenghua F Zhang Shuxia S

Acta crystallographica. Section E, Structure reports online 20110817 Pt 9

In the binuclear title compound, [Cd(2)(C(2)H(3)O(2))(4)(C(12)H(7)N(3)O(2))(2)], the Cd(II) cations are linked by carboxyl-ate O atoms into a four-membered Cd(2)O(2) rhombic ring with a Cd⋯ Cd separation of 3.7515 (5) Å. Each Cd(II) atom is seven-coordinated by a bidentate 5-nitro-1,10-phenanthroline (5-NO(2)-phen) ligand and two bidentate acetate anions, one of which also acts as a bridge linking the two Cd atoms. The crystal packing is stabilized by π-π inter-actions between the phen rings of ...[more]

PMID: 22058861

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Di-?-chlorido-bis-[(1,10-phenanthroline-?N,N')(trichloro-acetato-?O)copper(II)].

Project description:The title compound, [Cu(2)(C(2)Cl(3)O(2))(2)Cl(2)(C(12)H(8)N(2))(2)], features a centrosymmetric binuclear complex. The coordination geometry around the Cu(II) atom is square-pyramidal, comprising two N atoms from a symmetrically chelating 1,10-phenanthroline ligand, one O atom from a trichloro-acetate ligand and two Cl(-) anions. In addition, there is a weak intra-molecular Cu?O inter-action of 2.9403?(14)?Å involving the carbonyl O atom of the trichloro-acetate ligand. The central Cu(2)Cl(2) core takes the form of a rhombus, owing to the disparate Cu-Cl bond lengths. Mol-ecules are connected in the crystal structure by C-H?Cl and C-H?O inter-actions.

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Di-?-bromido-bis-[bromido(4,7-diphenyl-1,10-phenanthroline-?(2) N,N')cadmium].

Project description:The title compound, [Cd2Br4(C24H16N2)2], consists of a centrosymmetric dimeric unit in which two Br atoms bridge two Cd(II) atoms, forming a four-membered ring. A terminal Br atom and a bidentate chelating 4,7-diphenyl-1,10-phenanthroline ligand complete a square-pyramidal geometry for the Cd(II) atom. In the crystal, C-H?Br hydrogen bonds and ?-? contacts between the pyridine and phenyl rings [centroid-centroid distances = 3.704?(4) and 3.715?(4)?Å] lead to a three-dimensional supra-molecular structure.

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Bis[2-(4-hy-droxy-phen-yl)acetato-κO]bis-(1,10-phenanthroline-κN,N')cadmium penta-hydrate.

Project description:In the title compound, [Cd(C(8)H(7)O(3))(2)(C(12)H(8)N(2))(2)]·5H(2)O, the Cd(II) ion is six-coordinated by two carboxylate O atoms of monodentate 2-(4-hy-droxy-phen-yl)acetate ligands and by four N atoms from two chelating 1,10-phenantroline ligands in a distorted trigonal-prismatic geometry. O-H⋯O hydrogen bonds between water mol-ecules and the complex mol-ecules result in the formation of a three-dimensional network. Four water mol-ecules act as single acceptors and double donors while the fifth water mol-ecule is involved as a single acceptor and single donor in an O-H⋯O inter-action and as a donor in an O-H⋯π inter-action.

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Bis(1,10-phenanthroline-?N,N')bis-(thio-cyanato-?N)cadmium.

Project description:The title compound, [Cd(NCS)(2)(C(12)H(8)N(2))(2)], has been obtained from the decomposition reaction of dithio-oxamide in a dimethyl-formamide solution containing 1,10-phenanthroline (phen) and Cd(NO(3))(2)·4H(2)O. Its crystal structure is formed by monuclear Cd(II) entities in which the metal atom is sited on a twofold rotation axis. The Cd(II) atom is six-coordinated in the form of a distorted octa-hedron by two chelating phenanthroline mol-ecules and two thio-cyanate anions coordinated through their N atoms. In the crystal, C-H?N hydrogen bonds are established between the phenanthroline and thio-cyanate ligands of neighbouring complexes.

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Project description:In the title compound, [Mn(2)(C(8)H(3)NO(6))(2)(C(12)H(8)N(2))(2)(H(2)O)(4)], the Mn(II) atom in the centrosymmetric binuclear unit has a distorted octa-hedral geometry and is coordinated by a chelating 1,10-phenanthroline ligand, two monodentate carboxyl-ate anions from two 4-nitro-phthalates and two coordinated water mol-ecules. The two Mn(II) ions in the mol-ecule are bridged by two 4-nitro-phthalate anions, both in a bis-monodentate mode, which finally leads to the formation of the binuclear unit. Intra-molecular O-H?O hydrogen bonds between the coordinated and uncoordinated O atoms of one monodentate carboxyl-ate group and the corresponding coordinated water mol-ecules result in an eight-membered and two six-membered rings. In the crystal structure, inter-molecular O-H?O hydrogen bonds link the dinuclear mol-ecules into supra-molecular chains propagating parallel to [100].

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Di-?-acetato-?O,O':O;?O:O,O'-bis-[(acetato-?O,O')(1,10-phenan-throline-?N,N')cadmium(II)].

Project description:The title compound, [Cd(2)(C(2)H(3)O(2))(4)(C(12)H(8)N(2))(2)], consists of dimeric units built up around a crystallographic symmetry centre. Each cadmium(II) unit is chelated by a 1,10-phenanthroline (phen) group and two acetate ligands, one of which also acts as a bridge, linking both seven-coordinated cadmium(II) centres. The crystal structure is governed by a single ?-? inter-action between stacked phen groups [centroid-centroid distance 3.5209?(11)?Å], leading to a planar structure parallel to (010).

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Bis[chloridobis(1,10-phenanthroline)copper(II)] penta-cyanido-nitro-soferrate(II) di-methyl-formamide monosolvate.

Project description:The title complex [CuCl(C12H8N2)2]2[Fe(CN)5(NO)]·C3H7NO, consists of discrete [Cu(phen)2Cl](+) cations (phen is 1,10-phenanthroline), [Fe(CN)5NO](2-) anions and one di-methyl-formamide (DMF) solvent mol-ecule of crystallization per asymmetric unit. The Cu(II) atom is coordinated by two phenanthroline ligands and one chloride ion in a distorted trigonal-bipyramidal geometry. The dihedral angle between the phen ligands is 77.92?(7)°. The cation charge is balanced by a disordered nitro-prusside counter-anion with the Fe(II) atom located on an inversion center with a slightly distorted octa-hedral coordination geometry. In the crystal, weak C-H?N and C-H?Cl hydrogen bonds connect anions and cations into a two-dimensional network parallel to (100). In addition, ?-? stacking inter-actions are observed with centroid-centroid distances in the range 3.565?(2)-3.760?(3)Å. The di-methyl-formamide solvent mol-ecule was refined as disordered about an inversion center.

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Aqua-bis(dichloro-acetato-κO)(1,10-phenanthroline-κN,N')copper(II).

Project description:In the title complex, [Cu(C(2)HCl(2)O(2))(2)(C(12)H(8)N(2))(H(2)O)], the Cu(II) ion has a distorted square-pyramidal coordination geometry. The equatorial positions are occupied by two N atoms from a 1,10-phenanthroline ligand [Cu-N = 1.994 (3) and 2.027 (3) Å] and two O atoms from dichloro-acetate ligands and a water mol-ecule [Cu-O = 1.971 (2) and 1.939 (2) Å]. One O atom from another dichloro-acetate ligand occupies the apical positon [Cu-O = 2.152 (3) Å]. Inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into centrosymmetric dimers. The crystal packing also exhibits weak inter-molecular C-H⋯O hydrogen bonds, π-π inter-actions [centroid-centroid distance = 3.734 (2) Å] and short inter-molecular Cl⋯Cl contacts [3.306 (2) and 3.278 (2) Å].

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catena-Poly[[(1,10-phenanthroline-κN,N')praseodymium(III)]-di-μ-phenoxy-acetato-κO:O'-[(1,10-phenanthroline-κN,N')praseodymium(III)]-di-μ-phenoxy-acetato-κO:O'-di-μ-phenoxy-acetato-κO,O':O;κO:O,O'].

Project description:The title complex, [Pr(2)(C(8)H(7)O(3))(6)(C(12)H(8)N(2))(2)](n), which has an inversion centre midway between the two Pr(III) atoms of the structural unit, forms a one-dimensional polymer bridged alternately by either two bidentate, or two bidentate and two terdentate, phenoxy-acetate carboxyl-ate groups. Each Pr(III) atom is thus nine-coordinated by two N atoms of a 1,10-phenanthroline ligand and seven O atoms from six phenoxy-acetate ligands. The coordination geometry at the Pr(III) atom is distorted tricapped trigonal prismatic. One phenyl ring is disordered over two positions; the site occupancy factors are ca 0.6 and 0.4.

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Di-?-acetato-?(4) O:O'-bis-[(1,10-phenanthroline-?(2) N,N')(tri-fluoro-methane-sulfonato-?O)copper(II)].

Project description:The complete molecule of the title compound, [Cu2(C2H3O2)2(CF3O3S)2(C12H8N2)2], is completed by the application of a twofold rotation and comprises two Cu(II) ions, each of which is penta-coordinated by two N atoms from a bidentate 1,10-phenanthroline (phen) ligand, two O atoms from acetate ligands and an O atom from a tri-fluoro-methane-sulfonate anion, forming a (4 + 1) distorted square-pyramidal coordination geometry. The Cu(II) ions are connected by two acetate bridges in a syn-syn configuration. The F atoms of the tri-fluoro-methane-sulfonate ligands are disordered, with site-occupation factors of 70 and 30. The molecular structure is stabilized by intra-molecular face-to-face ?-? inter-actions with centroid-centroid distances in the range 3.5654?(12)-3.8775(12)?Å. The crystal structure is stabilized by C-H?O interactions, leading to a three-dimensional lattice structure.

| S-EPMC3884252 | biostudies-literature

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