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Aqua-bis(dichloro-acetato-?O)(1,10-phenanthroline-?N,N')copper(II).

ABSTRACT: In the title complex, [Cu(C(2)HCl(2)O(2))(2)(C(12)H(8)N(2))(H(2)O)], the Cu(II) ion has a distorted square-pyramidal coordination geometry. The equatorial positions are occupied by two N atoms from a 1,10-phenanthroline ligand [Cu-N = 1.994?(3) and 2.027?(3)?Å] and two O atoms from dichloro-acetate ligands and a water mol-ecule [Cu-O = 1.971?(2) and 1.939?(2)?Å]. One O atom from another dichloro-acetate ligand occupies the apical positon [Cu-O = 2.152?(3)?Å]. Inter-molecular O-H?O hydrogen bonds link the mol-ecules into centrosymmetric dimers. The crystal packing also exhibits weak inter-molecular C-H?O hydrogen bonds, ?-? inter-actions [centroid-centroid distance = 3.734?(2)?Å] and short inter-molecular Cl?Cl contacts [3.306?(2) and 3.278?(2)?Å].

SUBMITTER: Liu Y

PROVIDER: S-EPMC2968015 | biostudies-literature | 2008 Dec

REPOSITORIES: biostudies-literature

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Aqua-bis(dichloro-acetato-κO)(1,10-phenanthroline-κN,N')copper(II).

Liu Yaru Y Ning Jianzhong J Sun Junshan J Zhang Chuan C

Acta crystallographica. Section E, Structure reports online 20081220 Pt 1

In the title complex, [Cu(C(2)HCl(2)O(2))(2)(C(12)H(8)N(2))(H(2)O)], the Cu(II) ion has a distorted square-pyramidal coordination geometry. The equatorial positions are occupied by two N atoms from a 1,10-phenanthroline ligand [Cu-N = 1.994 (3) and 2.027 (3) Å] and two O atoms from dichloro-acetate ligands and a water mol-ecule [Cu-O = 1.971 (2) and 1.939 (2) Å]. One O atom from another dichloro-acetate ligand occupies the apical positon [Cu-O = 2.152 (3) Å]. Inter-molecular O-H⋯O hydrogen bonds ...[more]

PMID: 21581478

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Project description:In the title compound, [Cu(C(2)H(2)IO(2))(2)(C(12)H(8)N(2))(H(2)O)], the Cu(II) ion is coordinated by two N atoms [Cu-N = 2.013?(4) and 2.024?(4)?Å] from a 1,10-phenanthroline ligand and three O atoms [Cu-O = 1.940?(4)-2.261?(4)?Å] from two carboxyl ligands and a water mol-ecule in a distorted square-pyramidal geometry. One iodo-acetate O atom [Cu-O = 2.775?(4)?Å] completes the coordination to form a distorted octa-hedron. Inter-molecular O-H?O hydrogen bonds link the mol-ecules into centrosymmetric dimers, which are further packed by ?-? inter-actions between the 1,10-phenanthroline ligands into layers parallel to the ab plane. The crystal packing also exhibits short inter-molecular I?I contacts of 3.6772?(9)?Å and weak C-H?O hydrogen bonds.

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