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Catena-Poly[[bis-(4-methyl-pyridine-?N)cobalt(II)]-di-?-dicyanamido-?(2)N(1):N(5)].

ABSTRACT: Cobalt(II) nitrate hexa-hydrate and sodium dicyanamide self-assembled in dimethyl-formamide (DMF) and 4-methyl-pyridine solutions to form the title compound, [Co(C(2)N(3))(2)(C(6)H(7)N)(2)](n). The Co(2+) ion lies on an inversion center and adopts an octa-hedral coordination geometry in which four N atoms from four different dicyanamide ligands lie in the equatorial plane and two 4-methyl-pyridine N atoms occupy the axial positions. The Co(II) atoms are connected by two bridging dicyanamide ligands, resulting in a chain parallel to the c axis. The chains are connected into a three-dimensional network by C-H?N hydrogen bonds.

SUBMITTER: Huang W 

PROVIDER: S-EPMC3569189 | biostudies-literature | 2013 Feb

REPOSITORIES: biostudies-literature

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catena-Poly[[bis-(4-methyl-pyridine-κN)cobalt(II)]-di-μ-dicyanamido-κ(2)N(1):N(5)].

Huang Wenjiang W   Zhang Jinfang J   Zhang Chi C  

Acta crystallographica. Section E, Structure reports online 20130109 Pt 2

Cobalt(II) nitrate hexa-hydrate and sodium dicyanamide self-assembled in dimethyl-formamide (DMF) and 4-methyl-pyridine solutions to form the title compound, [Co(C(2)N(3))(2)(C(6)H(7)N)(2)](n). The Co(2+) ion lies on an inversion center and adopts an octa-hedral coordination geometry in which four N atoms from four different dicyanamide ligands lie in the equatorial plane and two 4-methyl-pyridine N atoms occupy the axial positions. The Co(II) atoms are connected by two bridging dicyanamide liga  ...[more]

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