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Dibromido(di-2-pyridyl disulfide-κN,N')zinc(II).

ABSTRACT: The molecular structure of the title compound, [ZnBr(2)(C(10)H(8)N(2)S(2))], contains a seven-membered chelate ring in which the zinc atom is coordinated by two bromide ions and by the two pyridyl N atoms of a single 2,2'-dipyridyldisulfide (dpds) ligand within a slightly distorted tetra-hedron. As is usual for this type of complex, the disulfide group does not participate in zinc coordination. The chelate complexes are connected via weak inter-molecular C-H⋯Br hydrogen bonding into chains, which extend in the [010] direction.

SUBMITTER: Wriedt M

PROVIDER: S-EPMC2914960 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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Dibromido(di-2-pyridyl disulfide-κN,N')zinc(II).

Wriedt Mario M Jess Inke I Näther Christian C

Acta crystallographica. Section E, Structure reports online 20071206 Pt 1

The molecular structure of the title compound, [ZnBr(2)(C(10)H(8)N(2)S(2))], contains a seven-membered chelate ring in which the zinc atom is coordinated by two bromide ions and by the two pyridyl N atoms of a single 2,2'-dipyridyldisulfide (dpds) ligand within a slightly distorted tetra-hedron. As is usual for this type of complex, the disulfide group does not participate in zinc coordination. The chelate complexes are connected via weak inter-molecular C-H⋯Br hydrogen bonding into chains, whic ...[more]

PMID: 21200652

Similar Datasets

Dibromido(di-2-pyridyl sulfide-κN,N')zinc(II).

Project description:The molecule of the title compound, [ZnBr(2)(C(10)H(8)N(2)S)], contains a six-membered chelate ring in a boat conformation in which the Zn atom is coordinated by two Br atoms and by the two pyridyl N atoms of a single di-2-pyridyl sulfide (dps) ligand within a slightly distorted tetra-hedron. The dihedral angle between the pyridine rings is 52.7 (1)°. As is usual for this type of complex, the sulfide group does not participate in the zinc coordination.

| S-EPMC2960344 | biostudies-literature

Dibromido(2,3-di-2-pyridyl-pyrazine-κN,N)platinum(II).

Project description:The Pt(II) ion in the title complex, [PtBr(2)(C(14)H(10)N(4))], is four-coordinated in a distorted square-planar environment by two N atoms of a chelating 2,3-di-2-pyridyl-pyrazine ligand and two bromide anions. In the crystal, the pyridyl ring coordinated to the Pt atom is inclined slightly to its carrier pyrazine ring [dihedral angle = 14.7 (2)°], whereas the uncoordinated pyridyl ring is inclined considerably to the pyrazine ring [dihedral angle = 51.9 (3)°]. The dihedral angle between the two pyridyl rings is 57.7 (3)°. Two complex mol-ecules are assembled through inter-molecular C-H⋯N hydrogen bonds, forming a dimer-type species. Intra-molecular C-H⋯Br and C-H⋯N hydrogen bonds are also present.

| S-EPMC3200673 | biostudies-literature

Dibromido(2,3-di-2-pyridyl-pyrazine-κN,N)palladium(II).

Project description:The Pd(II) ion in the title complex, [PdBr(2)(C(14)H(10)N(4))], is four-coordinated in a slightly distorted square-planar environment by the two pyridine N atoms of the chelating 2,3-di-2-pyridyl-pyrazine (dpp) ligand and two bromide anions. The pyridine rings are considerably inclined to the least-squares plane of the PdBr(2)N(2) unit [maximum deviation = 0.080 (2) Å], making dihedral angles of 64.9 (1) and 66.4 (1)°. The pyrazine ring is perpendicular to the unit plane, with a dihedral angle of 89.0 (1)°. In the crystal, the complex mol-ecules are stacked in columns along the a axis and connected by C-H⋯Br hydrogen bonds, forming a helical chain along the b axis.

| S-EPMC3238777 | biostudies-literature

Dibromido(2,3-di-2-pyridyl-pyrazine-κN,N)platinum(II).

Project description:The Pt(II) ion in the title complex, [PtBr(2)(C(14)H(10)N(4))], has a slightly distorted square-planar environment defined by the two pyridyl N atoms of the chelating 2,3-di-2-pyridyl-pyrazine ligand and two bromide anions. In the crystal, the pyridyl rings are considerably inclined to the least-squares plane of the PtBr(2)N(2) unit [maximum deviation = 0.064 (2) Å] with dihedral angles of 65.2 (2) and 66.0 (2)°. The nearly planar pyrazine ring [maximum deviation = 0.020 (5) Å] is almost perpendicular to the unit plane with a dihedral angle of 89.2 (2)°. Two independent weak inter-molecular C-H⋯Br hydrogen bonds, both involving the same Br atom as a hydrogen-bond acceptor, give rise to chains running along the a and b axes, forming a layer structure extending parallel to (001). The complexes are stacked in columns along the a axis. When viewed down the b axis, the successive complexes stack in the opposite direction.

| S-EPMC3200834 | biostudies-literature

Dibromido(2,3,5,6-tetra-2-pyridyl-pyrazine-κN,N,N)zinc(II).

Project description:In the title compound, [ZnBr(2)(C(24)H(16)N(6))], the Zn(II) ion is coordinated by the N,N',N''-tridentate 2,3,5,6-tetra-2-pyridyl-pyrazine ligand and two bromide ions, generating a distorted ZnN(3)Br(2) trigonal-bipyramidal geometry for the metal ion, with both bromide ions in equatorial sites. The dihedral angles between the pyrazine ring and the coordinated pyridine rings are 13.3 (2) and 24.8 (2)°; those between the pyrazine ring and the uncoordinated pyradine rings are 31.3 (2) and 44.2 (2)°. In the crystal, inversion dimers linked by pairs of weak C-H⋯Br hydrogen bonds occur.

| S-EPMC3007354 | biostudies-literature

Dichlorido(di-2-pyridyl sulfide-κN,N')zinc(II).

Project description:The crystal structure of the title compound, [ZnCl(2)(C(10)H(8)N(2)S)], consists of a six-membered chelate ring in which the Zn atom is approximately tetra-hedrally coordinated by two chloride ions and by the two pyridyl N atoms of a single di-2-pyridyl sulfide ligand. As usual for this type of complex, the sulfide group does not participate in zinc coordination. The dihedral angle between the two pyridine rings is 50.4 (1)°.

| S-EPMC2914903 | biostudies-literature

(2,2'-Biquinoline-κN,N')dibromido-zinc(II).

Project description:In the title compound, [ZnBr(2)(C(18)H(12)N(2))], the Zn(II) atom is four-coordinated in a distorted tetra-hedral configuration by two N atoms from the 2,2'-biquinoline ligand and two terminal Br atoms. The crystal packing is stabilized by weak inter-molecular C-H⋯Br hydrogen bonds and extensive inter-molecular π-π contacts between the pyridine and benzene rings [centroid-centroid distances = 3.775 (4), 3.748 (4), 3.735 (4), 3.538 (4), 3.678 (4) and 3.513 (4) Å].

| S-EPMC3011677 | biostudies-literature

Dibromido(di-2-pyridylamine-κN,N')mercury(II).

Project description:In the mol-ecule of the title compound, [HgBr(2)(C(10)H(9)N(3))], the Hg(II) atom is four-coordinated in a distorted tetra-hedral configuration by two N atoms from the chelating di-2-pyridylamine ligand and by two Br atoms. In the crystal structure, inter-molecular N-H⋯Br hydrogen bonds link the mol-ecules into centrosymmetric dimers. There are π-π contacts between the pyridine rings [centroid-centroid distances = 3.9662 (5) and 3.9321 (4) Å]. There also exists a C-H⋯π contact between the pyridine CH group and a pyridine ring.

| S-EPMC2960074 | biostudies-literature

Di-μ-chlorido-bis-{chlorido[(R)/(S)-1,5-di-phenyl-3-(2-pyridyl-κN)-2-pyrazoline-κN]zinc(II)}.

Project description:In the centrosymmetric binuclear title compound, [Zn(2)Cl(4)(C(20)H(17)N(3))(2)], the coordination geometry of the Zn(II) ion can be described as a distorted ZnN(2)Cl(3) trigonal bipyramid (τ = 0.89), arising from the N,N'-bidentate ligand, a terminal chloride ion and two bridging chloride ions. The N atoms occupy one axial and one equatorial site and the terminal chloride ion occupies an equatorial site. The dihedral angle between the pyridine and pyrazole rings is 12.8 (2)°. In the crystal, aromatic π-π stacking [centroid-centroid separations = 3.812 (3) and 3.848 (3) Å] and C-H⋯Cl and C-H⋯π inter-actions help to establish the packing.

| S-EPMC3007540 | biostudies-literature

Dibromido(2,4,6-tri-2-pyridyl-1,3,5-triazine-κN,N,N)manganese(II).

Project description:The Mn(II) ion in the title complex, [MnBr(2)(C(18)H(12)N(6))], is five-coordinated in a distorted square-pyramidal geometry by three N atoms of the tridentate 2,4,6-tri-2-pyridyl-1,3,5-triazine (tptz) ligand and two bromide anions. In the crystal, the pyridyl rings coordinated to the Mn atom are inclined slightly to their carrier triazine ring [dihedral angles = 8.0 (3) and 7.5 (3)°], whereas the uncoordinated pyridyl ring is located approximately parallel to the triazine ring [dihedral angle = 3.7 (3)°]. The complexes are stacked in columns along the a axis and linked by inter-molecular C-H⋯Br hydrogen bonds, forming chains. In the column, inter-molecular π-π inter-actions between the six-membered rings are present, the shortest centroid-centroid distance being 3.750 (4) Å.

| S-EPMC3238591 | biostudies-literature

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