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

ABSTRACT: 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.

SUBMITTER: Yotnoi B

PROVIDER: S-EPMC2979650 | biostudies-literature | 2010 May

REPOSITORIES: biostudies-literature

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

Yotnoi Bunlawee B Seeharaj Athittaya A Chimupala Yothin Y Rujiwatra Apinpus A

Acta crystallographica. Section E, Structure reports online 20100508 Pt 6

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 disorde ...[more]

PMID: 21579283

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

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Project description:The asymmetric unit of the title compound, [Zn(C(2)H(8)N(2))(3)]Cl(2)·H(2)O, contains a discrete [Zn(C(2)H(8)N(2))(3)](2+) cation with a distorted octa-hedral geometry around Zn, two uncoordinated chloride ions and one water mol-ecule. The crystal structure exhibits N-H⋯O, N-H⋯Cl and O-H⋯O hydrogen bonds.

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Tris(ethyl-enediamine)zinc(II) hexa-fluorido-silicate.

Project description:The title compound, [Zn(C(2)H(8)N(2))(3)](SiF(6)), was synthesized ionothermally using choline chloride-imidazolidone as solvent and template provider. In the crystal structure, the anions and cations are located on special positions of site symmetry 3.2 and show a typical octa-hedral geometry. The Zn(II) ion is coordinated by six N atoms from three ethyl-enediamine mol-ecules. The crystal structure displays weak hydrogen bonding between [SiF(6)](2-) anions and the ethyl-enediamine NH hydrogen atoms.

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Tris(ethyl-enediamine-?N,N')cobalt(III) aqua-tris-(oxalato-?O,O)indate(III).

Project description:In the cation of the title compound, [Co(C(2)H(8)N(2))(3)][In(C(2)O(4))(3)(H(2)O)], the Co(III) atom is coordinated by six N atoms from three ethyl-enediamine mol-ecules. The Co(III)-N bond lengths lie in the range 1.956?(4)-1.986?(4)?Å. In the anion, the In(III) atom is seven-coordinated by six O atoms from three oxalate ligands and by a water mol-ecule. The cations and anions are linked by extensive O-H?O and N-H?O hydrogen bonds, forming a supermolecular network.

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Tris(ethyl-enediamine-?N,N')nickel(II) naphthalene-2,7-disulfonate.

Project description:The Ni(II) atom in the title salt, [Ni(C(2)H(8)N(2))(3)](C(10)H(6)O(6)S(2)), is chelated by three ethyl-enediamine ligands in an octa-hedral geometry. The cation and anion are linked by N-H?O hydrogen bonds into a three-dimensional network. One of the two -SO(3) groups is disordered over two positions in a 1:1 ratio.

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

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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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Tris(ethyl-enedi-amine)-cobalt(II) dichloride.

Project description:The title compound, [Co(II)(C2H8N2)3]Cl2, was obtained unexpectedly as the product of an attempted solvothermal synthesis of cobalt selenide from the elements in the presence of NH4Cl in ethyl-enedi-amine solvent. The three chelate rings of the distorted octa-hedral [Co(C2H8N2)3](2+) complex cation adopt twisted conformations about their C-C bonds. The spread of cis-N-Co-N bond angles [80.17 (6)-98.10 (6)°] in the title compound is considerably greater than the equivalent data for [Co(III)(C2H8N2)3]Cl3 [Takamizawa et al. (2008 ▶). Angew. Chem. Int. Ed. 47, 1689-1692]. In the crystal, the components are linked by numerous N-H⋯Cl hydrogen bonds, generating a three-dimensional network in which the cationic complexes are stacked in columns along [010] and separated by columns of chloride anions.

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Tris(ethyl-enediamine)-nickel(II) 1H-pyrazole-3,5-dicarboxyl-ate 1.67-hydrate.

Project description:The asymmetric unit of the title compound, [Ni(C(2)H(8)N(2))(3)](C(5)H(2)N(2)O(4))·1.67H(2)O, consists of three [Ni(en)(3)](2+) dications (en is ethyl-enediamine), three [(pzdc)(3)](2-) dianions (pzdc is pyrazole-3,5-dicarboxyl-ate) and five water mol-ecules. In each complex dication, the Ni(II) atom is coordinated by six N atoms from three en ligands forming a distorted octa-hedral coordination geometry. In the crystal, the ions and water mol-ecules are linked into a three-dimensional framework by a large number of N-H?O and O-H?O hydrogen bonds.

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