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Bis(ethyl-enediamine-?N,N')bis-(phenytoinato-?N)cobalt(II).

ABSTRACT: THE TITLE COMPOUND [SYSTEMATIC NAME: bis(2,5-dioxo-4,4-diphenylimidazolidin-1-ido-?N(1))bis(ethylenediamine-?(2)N,N')cobalt(II)], [Co(C(15)H(11)N(2)O(2))(2)(C(2)H(8)N(2))(2)], has site symmetry . The Co(II) cation is located on an inversion center and coordinated by two phenytoin anions and two ethyl-enediamine ligands in a distorted octa-hedral geometry. In the phenytoin anion, the two phenyl rings are twisted with respect to the central hydantoin ring, making dihedral angles of 77.49?(16) and 64.55?(15)°. Intra-molecular and inter-molecular N-H?O hydrogen bonding is present in the crystal structure.

SUBMITTER: Hu XL

PROVIDER: S-EPMC2971365 | biostudies-literature | 2009 Oct

REPOSITORIES: biostudies-literature

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Bis(ethyl-enediamine-κN,N')bis-(phenytoinato-κN)cobalt(II).

Hu Xi-Lan XL Xu Xing-You XY Wang Da-Qi DQ Zhou Yan-Qin YQ

Acta crystallographica. Section E, Structure reports online 20091031 Pt 11

THE TITLE COMPOUND [SYSTEMATIC NAME: bis(2,5-dioxo-4,4-diphenylimidazolidin-1-ido-κN(1))bis(ethylenediamine-κ(2)N,N')cobalt(II)], [Co(C(15)H(11)N(2)O(2))(2)(C(2)H(8)N(2))(2)], has site symmetry . The Co(II) cation is located on an inversion center and coordinated by two phenytoin anions and two ethyl-enediamine ligands in a distorted octa-hedral geometry. In the phenytoin anion, the two phenyl rings are twisted with respect to the central hydantoin ring, making dihedral angles of 77.49 (16) and ...[more]

PMID: 21578194

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Tris(ethyl-enediamine)cobalt(II) sulfate.

Project description:The structure of the title compound, [Co(II)(C(2)H(8)N(2))(3)]SO(4), the cobalt example of [M(C(2)H(8)N(2))(3)]SO(4), is reported. The Co and S atoms are located at the 2d and 2c Wyckoff sites (point symmetry 32), respectively. The Co atom is coordinated by six N atoms of three chelating ethyl-enediamine mol-ecules generated from half of the ethyl-enediamine mol-ecule in the asymmetric unit. The O atoms of the sulfate anion are disordered mostly over two crystallographic sites. The third disorder site of O (site symmetry 3) has a site occupancy approaching zero. The H atoms of the ethyl-enediamine mol-ecules inter-act with the sulfate anions via inter-molecular N-H?O hydrogen-bonding inter-actions.

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μ-Peroxido-bis-[acetonitrile-bis-(ethyl-enediamine)-cobalt(III)] tetrakis(per-chlorate).

Project description:The title compound, [Co(2)(O(2))(CH(3)CN)(2)(C(2)H(8)N(2))(4)](ClO(4))(4), consists of centrosymmetric binuclear cations and perchlorate anions. Two Co(III) atoms, which have a slightly distorted octa-hedral coordination, are connected through a peroxido bridge; the O-O distance is 1.476 (3) Å. Both acetonitrile ligands are situated in a trans position with respect to the O-O bridge. In the crystal, the complex cations are connected by N-H⋯O hydrogen bonds between ethyl-endiamine NH groups and O atoms from the perchlorate anions and peroxide O atoms.

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catena-Poly[[bis-(ethyl-enediamine)copper(II)]-?-sulfato].

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Bis(5,5-diphenyl-hydantoinato-?N)(ethyl-enediamine)zinc(II).

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Bis(ethyl-enediamine-κN,N')(nitrato-κO,O')cobalt(III) hydroxide nitrate.

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Project description:In the title compound, [Cu(ClO(4))(2)(C(2)H(8)N(2))(C(5)H(5)N)(2)], the Cu(II) cation is located on a twofold rotation axis and is coordinated by four N and two O atoms in a tetragonally distorted octahedral geometry. The crystal packing can be described as ClO(4) tetra-hedra and CuN(4)O(2) octa-hedra alternating in a zigzag fashion along the c axis. The structure is stabilized by intermolecular N-H?O and C-H?O hydrogen bonds, as well as ?-? interactions [centroid-centroid distance = 3.7179?(15)?Å].

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Tris(ethyl-enediamine-?(2)N,N')nickel(II) bis-(dimethyl phosphate).

Project description:In the title compound, [Ni(C(2)H(8)N(2))(3)][O(2)P(OCH(3))(2)](2), the Ni(II) atom is six-coordinated in a distorted octa-hedral geometry by six N atoms from three ethyl-enediamine ligands. The P atoms of the anions adopt a distorted tetra-hedral geometry. In the crystal, inter-molecular N-H?O and C-H?O hydrogen bonds link the cations and anions into a three-dimensional network.

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Diaqua-bis(ethyl-enediamine-κN,N')copper(II) bis-(4-phenyl-benzoate) 2.66-hydrate.

Project description:In the title complex, [Cu(C(2)H(8)N(2))(2)(H(2)O)(2)](C(13)H(9)O(2))(2)·2.66H(2)O, the Cu(II) centre (located at an inversion centre) is coordinated by two bidentate ethyl-enediamine (en) ligands and two water O atoms in a typical Jahn-Teller distorted octahedral geometry. The amino groups and the water mol-ecules are disordered over two distinct crystallographic positions with occupancies of 1/3 and 2/3. In the crystal, the cations and anions are disposed in alternating layers. One of the water mol-ecules of crystallization is disordered and the other has a fractional occupation. In the 2/3 occupancy component, water mol-ecules are organized into a chain composed of hexa-meric units inter-connected by carboxyl-ate bridges.

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Diaqua-bis(ethyl-enediamine-?N,N')copper(II) 2,2'-dithio-dinicotinate sesquihydrate.

Project description:In the title compound, [Cu(C(2)H(8)N(2))(2)](C(12)H(6)N(2)O(4)S(2))·1.5H(2)O, there are two half-molecules of the cationic complex in the asymmetric unit. The Cu(2+) ions lie on inversion centres and are octa-hedrally coordinated by two ethyl-enediamine (en) and two aqua ligands in a typical Jahn-Teller distorted environment with the water O atoms in the axial positions. Two 2-mercaptonicotinate units (mnic) are linked by a disulfide bridge. All the ethyl-enediamine N-H and O-H groups form inter-molecular hydrogen bonds with acceptor O and N atoms, giving rise to a three-dimensional network. One of the uncoordinated water molecules has a site occupation factor of 0.5.

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Tris(ethyl-enediamine)-cobalt(III) diformatodioxalatoindate(III) dihydrate.

Project description:In the cation of the title compound, [Co(C(2)H(8)N(2))(3)][In(C(2)O(4))(2)(CHO(2))(2)]·2H(2)O, the Co-N bond lengths lie in the range 1.960?(5)-1.997?(5)?Å. In the anion, the In(III) atom is coordin-ated by four O atoms from two oxalato ligands and two O atoms from two formato ligands in a distorted octa-hedral geometry. Inter-molecular O-H?O and N-H?O hydrogen bonds form an extensive hydrogen-bonding network, which link the cations, anions and water mol-ecules into three-dimensional structure.

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