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Diaqua-bis(benzyl-oxyacetato)copper(II).

ABSTRACT: In the title mononuclear complex, [Cu(C(9)H(9)O(3))(2)(H(2)O)(2)], the Cu(II) ion, located on an inversion center, is hexa-coordinated by four O atoms from two benzyl-oxyacetate ligands [Cu-O = 1.9420?(14) and 2.2922?(14)?Å] and two water mol-ecules [Cu-O = 2.0157?(15)?Å] in a distorted octa-hedral geometry. In the crystal structure, inter-molecular O-H?O hydrogen bonds link the mol-ecules into layers parallel to the bc plane.

SUBMITTER: Sun SL

PROVIDER: S-EPMC2961141 | biostudies-literature | 2008 Apr

REPOSITORIES: biostudies-literature

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Diaqua-bis(benzyl-oxyacetato)copper(II).

Sun Sheng-Li SL Chen Chun-Liang CL Gu Chang-Sheng CS Song Weng-Dong WD Hao Xiao-Min XM

Acta crystallographica. Section E, Structure reports online 20080423 Pt 5

In the title mononuclear complex, [Cu(C(9)H(9)O(3))(2)(H(2)O)(2)], the Cu(II) ion, located on an inversion center, is hexa-coordinated by four O atoms from two benzyl-oxyacetate ligands [Cu-O = 1.9420 (14) and 2.2922 (14) Å] and two water mol-ecules [Cu-O = 2.0157 (15) Å] in a distorted octa-hedral geometry. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link the mol-ecules into layers parallel to the bc plane. ...[more]

PMID: 21202226

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Diaqua-bis(5-phenyl-1H-pyrazole-3-carboxyl-ato)copper(II).

Project description:In the centrosymmetric title compound, [Cu(C(10)H(7)N(2)O(2))(2)(H(2)O)(2)], the Cu(II) ion occupies an inversion centre and exhibits a distorted octa-hedral geometry. The phenyl and pyrazole rings of the ligand are twisted by an angle of 11.36?(8)°. In the crystal structure, mol-ecules are linked into a two-dimensional network parallel to the (010) plane by O-H?O and N-H?O hydrogen bonds.

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Diaqua-bis-(N,N'-diethyl-nicotinamide-?N)bis-(4-ethyl-benzoato-?O)copper(II).

Project description:The title Cu(II) complex, [Cu(C(9)H(9)O(2))(2)(C(10)H(14)N(2)O)(2)(H(2)O)(2)], contains two 4-ethyl-benzoate (PEB) ligands, two monodentate diethyl-nicotinamide (DENA) ligands and two water mol-ecules. The four O atoms in the equatorial plane around the Cu(II) ion form a slightly distorted square-planar arrangement, while the distorted octa-hedral coordination is completed by the two N atoms of the DENA ligands in the axial positions. Intra-molecular O-H?O hydrogen bonds link the water mol-ecules to the carboxyl-ate groups. The dihedral angles between the carboxyl-ate groups and the adjacent benzene rings are 4.6?(3) and 3.7?(2)°, while the pyridine rings and the benzene rings are oriented at dihedral angles of 6.82?(11) and 3.63?(14)°. In the crystal, inter-molecular O-H?O hydrogen bonds link the mol-ecules into chains propagating along [010]. C-H?O inter-actions and a ?-? contact between the pyridine rings [centroid-centroid distance = 3.469?(2)?Å] are also observed.

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Project description:In the title complex, [Cu(C(2)H(8)N(2))(2)(H(2)O)(2)](C(13)H(9)O(2))(2)·2.66H(2)O, the Cu(II) centre (located at an inversion centre) is coordinated by two bidentate ethyl-enediamine (en) ligands and two water O atoms in a typical Jahn-Teller distorted octahedral geometry. The amino groups and the water mol-ecules are disordered over two distinct crystallographic positions with occupancies of 1/3 and 2/3. In the crystal, the cations and anions are disposed in alternating layers. One of the water mol-ecules of crystallization is disordered and the other has a fractional occupation. In the 2/3 occupancy component, water mol-ecules are organized into a chain composed of hexa-meric units inter-connected by carboxyl-ate bridges.

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Diaqua-bis-(4-bromo-benzoato-?O)bis-(N,N-diethyl-nicotinamide-?N)copper(II).

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