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Dichlorido(6-methyl-2,2'-bipyridine-κ(2)N,N')cobalt(II).

ABSTRACT: In the title compound, [CoCl(2)(C(11)H(10)N(2))], the Co(II) atom is four-coordinated in a distorted tetra-hedral geometry by two N atoms from a 6-methyl-2,2'-bipyridine ligand and two terminal Cl atoms. Inter-molecular C-H⋯Cl hydrogen bonds and π-π stacking inter-actions between the pyridine rings [centroid-centroid distance = 3.745 (3) Å] are present in the crystal.

SUBMITTER: Akbarzadeh Torbati N

PROVIDER: S-EPMC3515097 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Dichlorido(6,6'-dimethyl-2,2'-bipyridine-κN,N')cobalt(II).

Project description:In the title compound, [CoCl(2)(C(12)H(12)N(2))], the Co(II) atom is four-coordinated in a distorted tetra-hedral geometry by two N atoms from a 6,6'-dimethyl-2,2'-bipyridine ligand and two terminal Cl atoms. Inter-molecular C-H⋯Cl hydrogen bonds and π-π stacking inter-actions between the pyridine rings [centroid-centroid distances = 3.788 (1) and 3.957 (1) Å] are present in the crystal structure.

| S-EPMC2983300 | biostudies-literature

Dichlorido(6-methyl-2,2'-bipyridine-?N,N')zinc(II).

Project description:In the mol-ecule of the title compound, [ZnCl(2)(C(11)H(10)N(2))], the Zn(II) atom is four-coordinated in a distorted tetra-hedral configuration by two N atoms from the 6-methyl-2,2'-bipyridine ligand and by two Cl atoms. There are ?-? contacts between the pyridine ring and the five-membered ring, and also between the pyridine rings, [centroid-centroid distances = 3.685?(3) and 3.757?(3)?Å, respectively].

| S-EPMC2959229 | biostudies-literature

Dichlorido(6-methyl-2,2'-bipyridine-κN,N')mercury(II).

Project description:In the mol-ecule of the title compound, [HgCl(2)(C(11)H(10)N(2))], the Hg(II) atom is four-coordinated in a distorted tetra-hedral configuration by two N atoms from a 6-methyl-2,2'-bipyridine ligand and two Cl atoms. There is a π-π contact between the pyridine rings [centroid-centroid distance = 3.9758 (5) Å].

| S-EPMC2959542 | biostudies-literature

Dibromido(6,6'-dimethyl-2,2'-bipyridine-κ(2)N,N')cobalt(II).

Project description:In the title compound, [CoBr(2)(C(12)H(12)N(2))], the Co(II) atom is four-coordinated in a distorted tetra-hedral geometry by two N atoms from a 6,6'-dimethyl-2,2'-bipyridine ligand and by two terminal Br atoms. Inter-molecular C-H⋯Br hydrogen bonds and π-π stacking between the pyridine rings in the bc plane [centroid-centroid distance = 3.725 (3) Å] are present in the crystal structure.

| S-EPMC3515117 | biostudies-literature

Dibromido(6-methyl-2,2'-bipyridine-?(2) N,N')cobalt(II).

Project description:In the mol-ecule of the title compound, [CoBr2(C11H10N2)], the Co(II) atom is four-coordinated in a distorted tetra-hedral geometry by two N atoms from a chelating 6-methyl-2,2'-bipyridine ligand and two terminal Br atoms. In the crystal, ?-? stacking inter-actions between the pyridine rings along the a-axis direction [centroid-centroid distance = 3.761?(7)?Å] and C-H?Br hydrogen bonds in the bc plane together generate the three-dimensional packing.

| S-EPMC3588722 | biostudies-literature

Aqua-(2,2'-bipyridine-κ²N,N')(2-methyl-malonato-κ²O¹,O³)copper(II) dihydrate.

Project description:In the title compound, [Cu(C₄H₄O₄)(C₁₀H₈N₂)(H₂O)]·2H₂O, the Cu(II) ion displays a slightly distorted square-pyramidal coordination. The water mol-ecule at the apical position shows a long bond [Cu-O = 2.276 (2) Å]. The basal plane is formed by two N atoms of the 2,2'-bipyridine ligand and two carboxyl-ate O atoms from a malonate group. The five-membered chelate ring is almost planar [maximum deviation = -0.006 (2) Å], while the six-membered chelate ring defined by the malonate ligand adopts a distorted boat conformation. In the crystal, Cu(II) complex mol-ecules and lattice water mol-ecules are connected by O-H⋯O and C-H⋯O hydrogen bonds. The crystal packing is further stabilized by π-π inter-actions [centroid-centroid distances = 3.563 (2)-3.828 (2) Å].

| S-EPMC3393161 | biostudies-literature

Dichlorido(6,6'-dimethyl-2,2'-bipyridine-?N,N')zinc(II).

Project description:In the title compound, [ZnCl(2)(C(12)H(12)N(2))], the complete mol-ecule is generated by crystallographic mirror symmetry, with the Zn atom and both chloride ions lying on the reflecting plane, yielding a distorted ZnN(2)Cl(2) tetra-hedral coordination for the metal ion. In the crystal, there are ?-? contacts between the pyridine rings [centroid-centroid distance = 3.7857?(17)?Å].

| S-EPMC2970226 | biostudies-literature

Dichlorido(5,5'-dimethyl-2,2'-bipyridine-?N,N')zinc(II).

Project description:The asymmetric unit of the title compound, [ZnCl(2)(C(12)H(12)N(2))], contains two independent mol-ecules. The Zn(II) atoms are four-coordinated in distorted tetra-hedral configurations by two N atoms from 5,5'-dimethyl-2,2'-bipyridine and two terminal Cl atoms. In the crystal structure, inter-molecular C-H?Cl hydrogen bonds link the mol-ecules. There are C-H?? contacts between the methyl groups and the pyridine and five-membered rings containing Zn(II) atoms; ?-? contacts also exist between the pyridine rings [centroid-centroid distances = 3.665?(5) and 3.674?(5)?Å].

| S-EPMC2960607 | biostudies-literature

Bis(μ-biphenyl-2,2'-dicarboxyl-ato)bis-[(2,2'-bipyridine)cobalt(II)].

Project description:In the title compound, [Co(2)(C(14)H(8)O(4))(2)(C(10)H(8)N(2))(2)], the Co(II) atom is coordinated by two N atoms from one 2,2'-bipyridine ligand and two O atoms from two biphenyl-2,2'-dicarboxyl-ate (2,2'-dpa) ligands in a distorted planar geometry. Longer Co-O contacts [2.437 (3) and 2.552 (3) Å] are formed to the second O atom of each coordinated carboxyl-ate group so that these groups approximate a bidentate coordination mode and the coordination geometry around Co(II) approaches distorted octa-hedral. The 2,2'-dpa ligands bridge two Co(II) atoms, forming a cyclic dinuclear complex around a centre of inversion.

| S-EPMC2959843 | biostudies-literature

Redetermination of (2,2'-bipyridine-?N,N')dichlorido-palladium(II) dichloro-methane solvate.

Project description:In the title compound, [PdCl(2)(C(10)H(8)N(2))]·CH(2)Cl(2), the Pd(2+) ion is four-coordinated in a slightly distorted square-planar environment by two N atoms of the 2,2'-bipyridine (bipy) ligand and two chloride ions. The compound displays intra-molecular C-H?Cl hydrogen bonds and pairs of complex mol-ecules are connected by inter-molecular C-H?Cl hydrogen bonds. Inter-molecular ?-? inter-actions are present between the pyridine rings of the ligand, the shortest centroid-centroid distance being 4.096?(3)?Å. As a result of the electronic nature of the chelate ring, it is possible to create ?-? inter-actions to its symmetry-related counterpart [3.720?(2)?Å] and also with a pyridine ring [3.570?(3)?Å] of the bipy unit. The present structure is a redetermination of a previous structure [Vicente et al. (1997 ?). Private communication (refcode PYCXMN02). CCDC, Cambridge, England]. In the new structure refinement all H atoms were located in a difference Fourier synthesis. Their coordinates were refined freely, together with isotropic displacement parameters.

| S-EPMC2969654 | biostudies-literature

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