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Bis(?-biphenyl-2,2'-dicarboxyl-ato)bis-[(2,2'-bipyridine)cobalt(II)].

ABSTRACT: In the title compound, [Co(2)(C(14)H(8)O(4))(2)(C(10)H(8)N(2))(2)], the Co(II) atom is coordinated by two N atoms from one 2,2'-bipyridine ligand and two O atoms from two biphenyl-2,2'-dicarboxyl-ate (2,2'-dpa) ligands in a distorted planar geometry. Longer Co-O contacts [2.437?(3) and 2.552?(3)?Å] are formed to the second O atom of each coordinated carboxyl-ate group so that these groups approximate a bidentate coordination mode and the coordination geometry around Co(II) approaches distorted octa-hedral. The 2,2'-dpa ligands bridge two Co(II) atoms, forming a cyclic dinuclear complex around a centre of inversion.

SUBMITTER: An Z 

PROVIDER: S-EPMC2959843 | biostudies-other | 2008

REPOSITORIES: biostudies-other

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Bis(μ-biphenyl-2,2'-dicarboxyl-ato)bis-[(2,2'-bipyridine)cobalt(II)].

An Zhe Z   Niu Xian-Chun XC  

Acta crystallographica. Section E, Structure reports online 20081120 Pt 12

In the title compound, [Co(2)(C(14)H(8)O(4))(2)(C(10)H(8)N(2))(2)], the Co(II) atom is coordinated by two N atoms from one 2,2'-bipyridine ligand and two O atoms from two biphenyl-2,2'-dicarboxyl-ate (2,2'-dpa) ligands in a distorted planar geometry. Longer Co-O contacts [2.437 (3) and 2.552 (3) Å] are formed to the second O atom of each coordinated carboxyl-ate group so that these groups approximate a bidentate coordination mode and the coordination geometry around Co(II) approaches distorted o  ...[more]

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