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Catena-Poly[[diaqua-bis-(formato-?O)cobalt(II)]-?(2)-2,6-bis-(pyridin-4-yl)-4,4'-bipyridine-?N:N].

ABSTRACT: In the title complex, [Co(CHO(2))(2)(C(20)H(14)N(4))(H(2)O)(2)](n), the Co(II) ion, lying on an inversion center, is six-coordinated by two O atoms from two monodentate formate ligands, two N atoms from two 2,6-bis-(pyridin-4-yl)-4,4'-bipyridine (4-pybpy) ligands and two water mol-ecules, displaying an octa-hedral geometry. The 4-pybpy ligand, having a twofold rotation axis, functions in a bridging coordination mode, connecting the Co(II) ions into a corrugated chain along [[Formula: see text]01]. The chains are further linked into a three-dimensional supra-molecular network by O-H?O, C-H?N and C-H?O hydrogen bonds and ?-? stacking inter-actions between the pyridine rings [centroid-to-centroid distance = 3.743?(2)?Å].

SUBMITTER: Ma DY 

PROVIDER: S-EPMC3151864 | biostudies-other | 2011 Jul

REPOSITORIES: biostudies-other

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catena-Poly[[diaqua-bis-(formato-κO)cobalt(II)]-μ(2)-2,6-bis-(pyridin-4-yl)-4,4'-bipyridine-κN:N].

Ma De-Yun DY   Sun De-En DE   Li Guo-Qing GQ  

Acta crystallographica. Section E, Structure reports online 20110611 Pt 7

In the title complex, [Co(CHO(2))(2)(C(20)H(14)N(4))(H(2)O)(2)](n), the Co(II) ion, lying on an inversion center, is six-coordinated by two O atoms from two monodentate formate ligands, two N atoms from two 2,6-bis-(pyridin-4-yl)-4,4'-bipyridine (4-pybpy) ligands and two water mol-ecules, displaying an octa-hedral geometry. The 4-pybpy ligand, having a twofold rotation axis, functions in a bridging coordination mode, connecting the Co(II) ions into a corrugated chain along [[Formula: see text]01  ...[more]

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