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Tetra-?-acetato-?O:O'-bis-[(3,5-di-methyl-1H-pyrazole-?N)-copper(II)].


ABSTRACT: The dinuclear centrosymmetric title compound, [Cu(2)(CH(3)CO(2))(4)(C(5)H(8)N(2))(2)], has a distorted square-pyramidal coordination geometry around each Cu(II) atom in which four O atoms from the bridging acetate ligands form the basal plane while two N atoms from the pyrazole ligands occupy the apical positions. The crystal has two half mol-ecules in the asymmetric unit with a Cu?Cu distance of 2.6762?(4)?Å. Disorder was found for two O atoms and two C atoms of one acetate ligand and refined with occupancies of 0.265?(7) and 0.735?(7). The crystal also features mol-ecules linked through two N-H?O hydrogen bonds resulting in one-dimensional chains extending along the crystallographic b axis.

SUBMITTER: van Wyk J 

PROVIDER: S-EPMC3200851 | biostudies-other | 2011 Sep

REPOSITORIES: biostudies-other

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Tetra-μ-acetato-κO:O'-bis-[(3,5-di-methyl-1H-pyrazole-κN)-copper(II)].

van Wyk Juanita J   Omondi Bernard B   Darkwa James J  

Acta crystallographica. Section E, Structure reports online 20110827 Pt 9


The dinuclear centrosymmetric title compound, [Cu(2)(CH(3)CO(2))(4)(C(5)H(8)N(2))(2)], has a distorted square-pyramidal coordination geometry around each Cu(II) atom in which four O atoms from the bridging acetate ligands form the basal plane while two N atoms from the pyrazole ligands occupy the apical positions. The crystal has two half mol-ecules in the asymmetric unit with a Cu⋯Cu distance of 2.6762 (4) Å. Disorder was found for two O atoms and two C atoms of one acetate ligand and refined w  ...[more]

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