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Catena-Poly[[dichloridocobalt(II)]-?-4,4'-bis-(benzimidazol-1-yl)biphen-yl].

ABSTRACT: In the title compound, [CoCl(2)(C(26)H(18)N(4))](n), the Co(II) atom (site symmetry 2) is tetra-hedrally coordinated by two chloride ions and two N atoms from 4,4'-bis-(benzimidazol-1-yl)biphenyl ligands: the complete ligand is generated by crystallographic twofold symmetry. The dihedral angle between the benzene rings is 34.67?(8)° and the angle between the benene ring and the adjacent benzimidazole ring system is 43.26?(10)°. The bridging ligand links the Co(II) atoms into chains propagating in [[Formula: see text]01].

SUBMITTER: Li H

PROVIDER: S-EPMC3100034 | biostudies-literature | 2011 Apr

REPOSITORIES: biostudies-literature

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catena-Poly[[dichloridocobalt(II)]-μ-4,4'-bis-(benzimidazol-1-yl)biphen-yl].

Li Hui H Han Qiuping Q Yao Chenzhong C Gong Qiaojuan Q Wei Zhuangwei Z

Acta crystallographica. Section E, Structure reports online 20110326 Pt 4

In the title compound, [CoCl(2)(C(26)H(18)N(4))](n), the Co(II) atom (site symmetry 2) is tetra-hedrally coordinated by two chloride ions and two N atoms from 4,4'-bis-(benzimidazol-1-yl)biphenyl ligands: the complete ligand is generated by crystallographic twofold symmetry. The dihedral angle between the benzene rings is 34.67 (8)° and the angle between the benene ring and the adjacent benzimidazole ring system is 43.26 (10)°. The bridging ligand links the Co(II) atoms into chains propagating i ...[more]

PMID: 21754002

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catena-Poly[[dichloridocopper(II)]-?-4,4'-bis-(benzimidazol-1-yl)biphen-yl].

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Project description:In the title one-dimensional coordination polymer, {[Ni(CHO(2))(2)(C(20)H(14)N(4))(H(2)O)(2)]·2H(2)O}(n), the Ni(II) atom lies on a crystallographic inversion centre. It is coordinated by two formate O atoms, two water O atoms and two N atoms from two 1,4-bis-(1H-benzimidazol-1-yl)benzene (bzb) ligands, resulting in a distorted trans-NiN(2)O(4) octa-hedral coordination geometry. The bzb mol-ecule acts as a bridging ligand to connect the metal atoms into a chain propagating in [1[Formula: see text][Formula: see text]]. The dihedral angle between the benzimidazole ring and the central benzene ring in the ligand is 38.16 (9)°. In the crystal, O-H⋯O hydrogen bonds crosslink the chains into (010) sheets.

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catena-Poly[[bis-(nitrato-?O,O')cobalt(II)]-?-4,4'-bis-(pyrazol-1-ylmeth-yl)biphenyl-?N:N].

Project description:In the title compound, [Co(NO(3))(2)(C(20)H(18)N(4))](n), the Co(II) atom lies on a crystallographic twofold axis and the coordination geometry can be considered as a slightly distorted tetra-hedron defined by two O atoms from two nitrate groups and two N atoms from two ligand mol-ecules. A distorted octa-hedron may be assumed when two of the symmetry-related nitrate O atoms with Co-O distances of 2.3449?(19)?Å are added to the coordination environment. Another twofold axis, passing through the middle of the biphenyl bonds, is observed in the crystal structure. A chain is built up by the ligands linking the Co(II) ions along [101].

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