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Cis-Diaqua-bis-[dimethyl (phenyl-sulfonyl-imino)-phospho-nato]cobalt(II).

ABSTRACT: In the title diaqua-cobalt complex, [Co(C(8)H(11)NO(5)PS)(2)(H(2)O)(2)], the Co(II) atom is surrounded by six O atoms belonging to the phosphoryl and sulfonyl groups of two deprotonated chelate ligands and two additional O atoms from water mol-ecules which are in cis positions with respect to one another. The coordination environment of cobalt can be described as a distorted octa-hedron. O-H⋯O hydrogen bonds between the water and sulfonyl O atoms of neighboring mol-ecules form chains running parallel to [010]. Two methoxy groups attached to one phosphorus are disordered over two sets of sites in a 0.6:0.4 ratio.

SUBMITTER: Trush EA

PROVIDER: S-EPMC3051992 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Dipotassium diaqua-bis(methyl-enedi-phospho-nato-?O,O')cobaltate(II).

Project description:In the title complex, K(2)[Co(CH(4)O(6)P(2))(2)(H(2)O)(2)], the asymmetric unit contains two K(+) cations and two half-anions in which the Co atoms lie on inversion centers. The Co(II) ions assume an octa-hedral CoO(6) coordination geometry. In the crystal, a three-dimensional network is formed through O-H?O hydrogen-bond inter-actions as well as inter-molecular inter-actions between the K(+) cations and neighbouring O atoms.

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| S-EPMC2960075 | biostudies-literature

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| S-EPMC2915139 | biostudies-literature

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| S-EPMC3569204 | biostudies-literature

Diaqua-bis{[1-hydr-oxy-2-(1H-imidazol-3-ium-1-yl)ethane-1,1-di-yl]bis-(hydrogen phospho-nato)}manganese(II).

Project description:In the title compound, [Mn(C(5)H(9)N(2)O(7)P(2))(2)(H(2)O)(2)], the Mn(II) atom (site symmetry ) is coordinated by four phos-pho-n-ate O atoms from a pair of partially deprotonated 1-hydr-oxy-2-(imidazol-3-yl)ethane-1,1-bis-phophonic acid ligands (imhedpH(3) (-)) and two water mol-ecules, resulting in a slightly distorted trans-MnO(6) octa-hedral geometry for the metal ion. In the ligands, the imidazole units are protonated and two of the hydr-oxy O atoms of the phospho-nate groups are deprotonated and chelate the Mn(II), thus forming the neutral mol-ecule of the title compound. The two protonated O atoms within the phospho-nate groups of one imhedpH(3) (-) ligand act as hydrogen-bond acceptors for a bifurcated hydrogen bond originating from the coordinated water mol-ecule. The phospho-nate units of neigboring mol-ecules are connected with their equivalents in neighboring mol-ecules via two types of inversion-symmetric hydrogen-bonding arrangements with four and two strong O-H?O hydrogen bonds, respectively. The two inter-actions connect mol-ecules into infinite chains along [111] and [110], in combination forming a tightly hydrogen-bonded three-dimensional supra-molecular network. This network is further stabilized by additional hydrogen bonds between the protonated imidazole units and one of the coordinated P-O O atoms and by additional O-H?O hydrogen bonds between the water mol-ecules and the P=O O atoms of neigboring mol-ecules.

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Project description:The title Co(II) complex, [Co(C(9)H(10)NO(2))(2)(C(6)H(6)N(2)O)(H(2)O)(2)], contains two 4-dimethyl-amino-benzoate (DMAB) anions, one isonicotinamide (INA) ligand and two coordinated water mol-ecules. One of the DMAB anions acts as a bidentate ligand, while the other is monodentate. The four O atoms in the equatorial plane around the Co atom form a highly distorted square-planar arrangement, while the distorted octa-hedral coordination geometry is completed by the N atom of the INA ligand and the O atom of the second water mol-ecule in the axial positions. An intra-molecular O-H?O hydrogen bond between the monodentate-coordinated carboxyl group and a coordinated water mol-ecule results in a six-membered ring with an envelope conformation. The dihedral angles between the carboxyl groups and the adjacent benzene rings are 4.29?(10)° for the monodentate ligand and 2.31?(13)° for the bidentate ligand, while the two benzene rings are oriented at a dihedral angle of 65.02?(5)°. The dihedral angles between the pyridine and benzene rings are 11.21?(5)° for the monodentate ligand and 74.60?(5)° for the bidentate ligand. In the crystal structure, inter-molecular O-H?O, O-H?N and N-H?O hydrogen bonds link the mol-ecules into a supra-molecular structure.

| S-EPMC2969611 | biostudies-literature

cis-Bis(2,2'-bipyridine-?N,N')bis-(dimethyl sulfoxide-?O)zinc bis-(tetra-phenyl-borate) dimethyl sulfoxide monosolvate.

Project description:In the mononuclear title complex, [Zn(C(10)H(8)N(2))(2)(C(2)H(6)OS)(2)](C(24)H(20)B)(2)·C(2)H(6)OS, the Zn(II) ion is coordinated by four N atoms of two bidentate 2,2'-bipyridine mol-ecules and by the O atoms of two cis-disposed dimethyl sulfoxide mol-ecules in a distorted octa-hedral geometry. The S atom and the methyl groups of one of the coordinated dimethyl sulfoxide mol-ecules are disordered in a 0.509?(2):0.491?(2) ratio. The crystal packing is stabilized by C-H?O hydrogen bonds between the dimethyl sulfoxide solvent mol-ecules and tetra-phenyl-borate anions.

| S-EPMC3238690 | biostudies-literature

2,3-Bis{[2,3-dimethyl-6-(phenyl-vin-yl)phen-yl]imino}-butane.

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| S-EPMC3998296 | biostudies-literature

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