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Bis(pentane-2,4-dionato-?O,O')(1,10-phenanthroline-?N,N')cobalt(II).

ABSTRACT: In the title compound, [Co(C(5)H(7)O(2))(2)(C(12)H(8)N(2))], the Co(II) cation lies on a twofold rotation axis and is coordinated by four O atoms from two acetyl-acetonate (acac) ligands and two N atoms from a 1,10-phenanthroline (phen) ligand in a slightly distorted octa-hedral environment, with Co-O bond lengths of 2.0565?(11) and 2.0641?(11)?Å and Co-N bond lengths of 2.1630?(12)?Å. In the crystal, there are no significant hydrogen-bonding or ?-? inter-actions.

SUBMITTER: Perdih F

PROVIDER: S-EPMC3238622 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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Bis(pentane-2,4-dionato-κO,O')(1,10-phenanthroline-κN,N')cobalt(II).

Perdih Franc F

Acta crystallographica. Section E, Structure reports online 20111105 Pt 12

In the title compound, [Co(C(5)H(7)O(2))(2)(C(12)H(8)N(2))], the Co(II) cation lies on a twofold rotation axis and is coordinated by four O atoms from two acetyl-acetonate (acac) ligands and two N atoms from a 1,10-phenanthroline (phen) ligand in a slightly distorted octa-hedral environment, with Co-O bond lengths of 2.0565 (11) and 2.0641 (11) Å and Co-N bond lengths of 2.1630 (12) Å. In the crystal, there are no significant hydrogen-bonding or π-π inter-actions. ...[more]

PMID: 22199513

Similar Datasets

Chlorido(pentane-2,4-dionato-?O,O')(1,10-phenanthroline-?N,N')copper(II).

Project description:The Cu(II) atom in the title compound, [Cu(C(5)H(7)O(2))Cl(C(12)H(8)N(2))], shows a distorted square-planar coordination; the chelating N and O atoms occupy the basal sites and the Cl atom the apical site. The square-pyramidal character along the Berry D(3h)-C(4v) pseudorotation pathway is 92%.

| S-EPMC2977398 | biostudies-literature

Bis[?-pentane-2,4-dionato(1-)]bis-{aqua-[1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato(1-)]cobalt(II)}.

Project description:The title complex, [Co(2)(C(5)HF(6)O(2))(2)(C(5)H(7)O(2))(2)(H(2)O)(2)], is centrosymmetric with a crystallographic inversion center in the middle of the mol-ecule. The octa-hedrally coordinated Co(II) atoms are bridged by two chelating acetyl-acetonate (acac) ligands and two more electron-poor 1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato (hfac) ligands are bonded terminally in a solely chelating manner. The coordinated water mol-ecules form inter-molecular O-H?O hydrogen bonds with electron-rich acac O atoms of neighboring mol-ecules, leading to strings of mol-ecules along the a axis.

| S-EPMC2971008 | biostudies-other

Tris(1,10-phenanthroline)cobalt(II) bis-(trichloro-acetate).

Project description:In the title complex, [Co(C(12)H(8)N(2))(3)](C(2)Cl(3)O(2))(2), the Co(II) ion lies on a twofold rotation axis and is coordinated by six N atoms from three bis-chelating 1,10-phenanthroline ligands in a distorted octa-hedral environment. The crystal structure is stabilized by weak inter-molecular C-H⋯O hydrogen bonds.

| S-EPMC3152094 | biostudies-literature

Bis(isocyanato-?N)bis-(1,10-phenanthroline-?N,N')cobalt(II).

Project description:In the title complex, [Co(NCO)(2)(C(12)H(8)N(2))(2)], the Co(II) atom, lying on a twofold rotation axis, is coordinated in a distorted octa-hedral environment by four N atoms from two chelating phenanthroline ligands and two N atoms from two isocyanate ligands in cis positions.

| S-EPMC2979601 | biostudies-literature

Tris(3-nitro-pentane-2,4-dionato-?O,O')-cobalt(III).

Project description:The structure of the title compound, [Co(C(5)H(6)NO(4))(3)], consists of a Co(III) ion octahedrally coordinated by three bidentate 3-nitro-pentane-2,4-dionate ligands. The complex was prepared via the nitration of tris-(2,4-penta-nedionato-?(2)O,O')cobalt(III) with a solution of copper(II) nitrate in glacial acetic acid. The central C atom and the nitro group of one 3-nitro-pentane-2,4-dionate ligand are disordered over two positions with an occupancy ratio of 0.848?(4):0.152?(4). A second nitro group is also disordered over two orientations with an occupancy ratio of 0.892?(7):0.108?(7). Two of the ligand methyl groups form C-H?O inter-actions with two different nitro groups to form chains running along the c axis. Additional C-H?O inter-actions are found between ligand methyl groups and the cobalt-bound O atoms, also resulting in the formation of chains along the c axis.

| S-EPMC3297263 | biostudies-literature

Aqua-(hippurato)bis-(1,10-phenanthroline)cobalt(II) nitrate monohydrate.

Project description:In the title compound, [Co(C(9)H(8)NO(3))(C(12)H(8)N(2))(2)(H(2)O)]NO(3)·H(2)O, the Co(II) atom is six-coordinated by a carboxylate O atom of the hippurate (Hc) anion, a water O atom and four N atoms from two 1,10-phenanthroline ligands in a distorted octa-hedral geometry. The uncoordinated O atom of the hippuric acid anion is involved in an intra-molecular hydrogen bond to the coordinated water mol-ecule. The crystal packing is stabilized by inter-molecular O-H?O hydrogen bonds involving the Hc anions, the coordinated water mol-ecule, the nitrate anion and the uncoordinated water mol-ecule.

| S-EPMC3009208 | biostudies-literature

catena-Poly[[(1,10-phenanthroline)cobalt]-?-2,4'-oxydibenzoato].

Project description:In the title compound, [Co(C(14)H(8)O(5))(C(12)H(8)N(2))](n), the Co(II) atom is six-coordinated in a distorted octa-hedral coordination geometry by four O atoms from two chelating carboxyl-ate groups from different 2,4'-oxydibenzoate anions and by two N atoms from a 1,10-phenanthroline (phen) ligand. The two benzene rings of the 2,4'-oxydibenzoate ligand form a dihedral angle of 77.14?(16)°. Adjacent Co(II) atoms are bridged by 2,4'-oxydibenzoate anions to form a helical chain that propagates along the b-axis direction. Neighboring chains are further assembled by inter-molecular ?-? stacking inter-actions between inversion-related phen ligands [centroid-to-centroid distance = 4.0869?(8)?Å] to form a two-dimensional supra-molecular architecture.

| S-EPMC3414136 | biostudies-literature

[(4-Bromo-phen-yl)(2-pyridyl-methyl-idene)amine-?N,N']bis-(1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato-?O,O')cobalt(II).

Project description:In the title complex, [Co(C(5)HF(6)O(2))(2)(C(12)H(9)BrN(2))], the Co(II) atom exhibits a pseudo-octa-hedral coordination geometry, comprising two N-donor atoms from a bidentate chelate (4-bromo-phen-yl)(2-pyridyl-methyl-idene)amine (ppa(Br)) ligand [Co-N = 2.098?(2) and 2.209?(2)?Å] and four O-donor atoms from two bidentate chelate 1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionate (hfac) ligands [Co-O range = 2.0452?(19)-2.0796?(19)?Å]. The packing of the structure involves weak ?-? inter-actions between the pyridyl and benzene rings of neighbouring ppa(Br) ligands [centroid-centroid distance = 3.928?(2)?Å] and inter-actions between the Br atom on the ppa(Br) ligand and the hfac ligand [Br?C = 3.531?(2)?Å].

| S-EPMC3008124 | biostudies-literature

Bis(μ-4-phenyl-pyridine N-oxide-κO:O)bis-[bis-(1,1,1,5,5,5-hexa-fluoro-pentane-2,4-dionato)copper(II)].

Project description:The asymmetric unit of the title compound, [Cu(2)(C(5)HF(6)O(2))(4)(C(11)H(9)NO)(2)], contains one half of the centrosymmetric dinuclear complex. The coordination geometry of the Cu(II) atom is octa-hedral, exhibiting a typical Jahn-Teller distortion. One trifluoro-methyl group is rotationally disordered between two orientations in a 1:1 ratio.

| S-EPMC3006976 | biostudies-literature

(1,10-Phenanthroline-?N,N')bis-(2,2,6,6-tetra-methyl-heptane-3,5-dionato-?O,O')nickel(II).

Project description:The title compound, [Ni(C(11)H(19)O(2))(2)(C(12)H(8)N(2))], was obtained from the reaction of bis-(2,2,6,6-tetra-methyl-heptane-3,5-dionato)nickel(II), [Ni(dpm)], and 1,10-phenanthroline (phen). The Ni(II) ion is coordinated by four O atoms from two dpm ligands and two N atoms from a phen ligand in a slightly distorted octa-hedral environment. The methyl C atoms of two of the tert-butyl groups are disordered over two sites, having approximate occupancies of 0.85 and 0.15 for the two components. In the crystal structure, there are no direction-specific inter-actions. Thermal studies showed that the title complex is stable to 623?K.

| S-EPMC2915153 | biostudies-literature

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