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Di-?-nicotinamide-?(2) N (1):O;?(2) O:N (1)-bis-[aqua-bis-(3-chloro-benzoato-?(2) O,O')cadmium].

ABSTRACT: In the centrosymmetric dinuclear title compound, [Cd2(C7H4ClO2)4(C6H6N2O)2(H2O)2], the Cd(II) atom is coord-inated by one N atom from one bridging nicotinamide ligand and one O atom from another symmetry-related bridging nicotinamide ligand, four O atoms from two 3-chloro-benzoate ligands and one water mol-ecule in an irregular geometry. The dihedral angles between the carboxyl-ate groups and the adjacent benzene rings are 6.98?(12) and 2.42?(13)°, while the benzene rings are oriented at a dihedral angle of 4.33?(6)°. Inter-molecular O-H?O, N-H?O and weak C-H?O hydrogen bonds link the mol-ecules into a three-dimensional network. ?-? inter-actions, indicated by short centroid-centroid distances [3.892?(1)?Å between the pyridine rings and 3.683?(1)?Å between the benzene rings] further stabilize the structure.

SUBMITTER: Bozkurt N

PROVIDER: S-EPMC3772423 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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Di-μ-nicotinamide-κ(2) N (1):O;κ(2) O:N (1)-bis-[aqua-bis-(3-chloro-benzoato-κ(2) O,O')cadmium].

Bozkurt Nihat N Dilek Nefise N Caylak Delibaş Nagihan N Necefoğlu Hacali H Hökelek Tuncer T

Acta crystallographica. Section E, Structure reports online 20130615 Pt 7

In the centrosymmetric dinuclear title compound, [Cd2(C7H4ClO2)4(C6H6N2O)2(H2O)2], the Cd(II) atom is coord-inated by one N atom from one bridging nicotinamide ligand and one O atom from another symmetry-related bridging nicotinamide ligand, four O atoms from two 3-chloro-benzoate ligands and one water mol-ecule in an irregular geometry. The dihedral angles between the carboxyl-ate groups and the adjacent benzene rings are 6.98 (12) and 2.42 (13)°, while the benzene rings are oriented at a dihed ...[more]

PMID: 24046566

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Di-aqua-bis-(3-chloro-benzoato-κO)bis-(nicotinamide-κN (1))cobalt(II).

Project description:In the title complex, [Co(C7H4ClO2)2(C6H6N2O)2(H2O)2], the Co(II) atom is located on an inversion center and is coordinated by two 3-chloro-benzoate (CB) anions, two nicotinamide (NA) ligands and two water mol-ecules. The four O atoms in the equatorial plane form a slightly distorted square-planar arrangement, while the slightly distorted octa-hedral coordination is completed by the two N atoms of the NA ligands in the axial positions. The dihedral angle between the carboxyl-ate group and the adjacent benzene ring is 9.14 (9)°, while the pyridine and benzene rings are oriented at a dihedral angle of 82.18 (8)°. In the crystal, N-H⋯O and O-H⋯O hydrogen bonds link the mol-ecules into a two-dimensional network lying parallel to (101). π-π stacking between parallel pyridine rings of adjacent mol-ecules [centroid-centroid distance = 3.7765 (8) Å] further stabilizes the crystal structure.

| S-EPMC3684906 | biostudies-literature

catena-Poly[[aqua-bis-(3-chloro-benzoato-κ(2) O,O')cadmium]-μ-N,N-di-ethyl-nico-tin-amide-κ(2) N (1):O].

Project description:In the crystal of the title Cd(II) polymeric complex, [Cd(C7H4ClO2)2(C10H14N2O)(H2O)] n , the Cd(II) cation is chelated by two chloro-benzoate anions and coordinated by two N,N-di--ethyl-nicotinamide (DENA) ligands and one water mol-ecule in a distorted NO6 penta-gonal-bipyramidal geometry. The Cd(II) cations are bridged by the pyridine N atom and carbonyl O atom of the DENA ligand to form a polymeric chain running along the b axis. Inter-molecular O-H⋯O hydrogen bonds between coordinating water mol-ecules and carboxyl-ate groups link adjacent chains into layers parallel to the bc plane. π-π contacts between benzene rings [shortest centroid-centroid distance = 3.912 (2) Å] further stabilizes the crystal structure. In the mol-ecule, weak C-H⋯O hydrogen bonds occur between the pyridine ring and carboxyl-ate groups; the dihedral angles between the carboxyl-ate groups and adjacent benzene rings are 4.6 (3) and 12.8 (3)°, while the benzene rings are oriented at a dihedral angle of 1.89 (13)°.

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Project description:The title compound, [Cu(C7H4ClO2)2(C10H14N2O)2(H2O)], has twofold symmetry with the Cu(II) cation and the O atom of the coordinating water mol-ecule located on the axis. The Cu(II) cation is coordinated by two carboxyl-ate O atoms of chloro-benzoate (CB) anions, two N atoms of N,N-di-ethyl-nicotinamide (DENA) ligands and one water mol-ecule in a distorted N2O3 square-pyramidal geometry. The benzene and pyridine rings are oriented at a dihedral angle of 82.51 (6)°. In the anionic ligand, the carboxyl-ate group is twisted away from the attached benzene ring by 12.85 (11)°. In the crystal, O-H⋯O hydrogen bonds between the coordinating water mol-ecule and the carboxyl group link the complex mol-ecules into supra-molecular chains running along the c-axis direction.

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Project description:In the title centrosymmetric binuclear Cu(II) complex, [Cu2(C7H4ClO2)4(C10H14N2O)2], the two Cu(II) cations [Cu⋯Cu = 2.6314 (4) Å] are bridged by four 3-chloro-benzoate (CB) anions. The four carboxyl-ate O atoms around each Cu(II) cation form a distorted square-planar arrangement, the distorted square-pyramidal coordination geometry being completed by the pyridine N atom of the N,N-di-ethyl-nicotinamide (DENA) mol-ecule. The dihedral angle between the benzene ring and the carboxyl-ate group is 4.49 (11)° in one of the independent CB ligands and 12.00 (10)° in the other. The benzene rings of the independent CB ligands are oriented at a dihedral angle of 84.13 (6)°. In the crystal, weak C-H⋯O hydrogen bonds link the binuclear complex mol-ecules into supra-molecular chains running along [101].

| S-EPMC3793677 | biostudies-literature

Poly[?-aqua-bis-(?5-2,4-di-chloro-benzoato)dipotassium].

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| S-EPMC3998250 | biostudies-literature

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Poly[μ-aqua-di-μ-benzoato-lead(II)].

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| S-EPMC2977498 | biostudies-literature

Di-μ-aqua-bis-[aqua-(2,2'-bi-pyridine)(4-nitro-benzoato)cobalt(II)] bis-(4-nitro-benzoate).

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