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Bis(acridine-κN)dibromidoplatinum(II).

ABSTRACT: In the title complex, [PtBr(2)(C(13)H(9)N)(2)], the Pt(II) ion is four-coordinated in a slightly distorted square-planar environment by two N atoms from two acridine ligands and two Br atoms. The Pt atom is located on an inversion centre, and thus the asymmetric unit contains one half of the complex and the PtN(2)Br(2) unit is exactly planar. The dihedral angle between the PtN(2)Br(2) unit and acridine ligand is 78.98 (9)°. In the crystal structure, the complex mol-ecules are arranged in two distinct chains along [110] and [10]. In the chains, inter-molecular π-π inter-actions between the pyridyl and benzene rings connect the complex mol-ecules, with a centroid-centroid distance of 3.631 (4) Å.

SUBMITTER: Ha K

PROVIDER: S-EPMC3007929 | biostudies-literature |

REPOSITORIES: biostudies-literature

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(Acridine-κN)(dimethyl sulfoxide-κS)diiodidoplatinum(II).

Project description:In the title complex, [PtI(2)(C(13)H(9)N)(C(2)H(6)OS)], the Pt(II) atom is four-coordinated in an essentially square-planar environment defined by the N atom of the acridine ligand, the S atom of dimethyl sulfoxide, and two iodide ions. The dihedral angle between the nearly planar PtI(2)NS unit [maximum deviation = 0.083 (2) Å] and the acridine ligand [maximum deviation = 0.038 (6) Å] is 89.29 (7)°. In the crystal structure, the complex mol-ecules are arranged in a V-shaped packing pattern along the c axis and linked by inter-molecular C-H⋯O contacts into supra-molecular chains. There are also several inter-molecular π-π inter-actions between the six-membered rings, with a shortest ring centroid-centroid distance of 3.804 (5) Å.

| S-EPMC3007941 | biostudies-literature

trans-Bis(acridine-?N)dichloridopalladium(II).

Project description:In the title complex, [PdCl(2)(C(13)H(9)N)(2)], the Pd(II) ion is four-coordinated in an essentially square-planar environment by two N atoms from two acridine ligands and two Cl(-) anions. The Pd atom is located on an inversion centre, and thus the asymmetric unit contains one half of the complex and the PdN(2)Cl(2) unit is exactly planar. The dihedral angle between the PdN(2)Cl(2) unit and the acridine ligand is 84.66?(6)°. In the crystal, the complex mol-ecules are stacked in columns along the a axis connected by C-H?Cl hydrogen bonds, forming chains along [110]. In the columns, numerous inter-molecular ?-? inter-actions between the six-membered rings are present, the shortest ring centroid-centroid distance being 3.722?(4)?Å.

| S-EPMC3254321 | biostudies-literature

Poly[bis-(cyanato-κN)bis-(μ-pyrazine-κN:N')cobalt(II)].

Project description:In the crystal structure of the title compound, [Co(NCO)(2)(C(4)H(4)N(2))(2)](n), the Co(II) cation is coordinated by four N-bonded pyrazine ligands and two N-bonded cyanate anions in a slightly distorted octa-hedral geometry. The crystal structure consists of μ-N:N' pyrazine-bridged cobalt cyanate chains; these are further linked by additional μ-N:N'-bridging pyrazine ligands into layers, which are stacked perpendicular to the crystallographic a axis. The C and O atoms in both crystallographic independent cyanate anions are disordered in two orientations and were refined using a split model with site occupation factor ratios of 0.75/0.25 and 0.7/0.3.

| S-EPMC2968858 | biostudies-literature

Bis(4,7-dichloro-1,10-phenanthroline-κN,N')bis-(dicyanamido-κN)copper(II).

Project description:In the title compound, [Cu(C(2)N(3))(2)(C(12)H(6)Cl(2)N(2))(2)], the Cu(II) atom is coordinated by two chelating 4,7-dichloro-1,10-phenanthroline (4,7-Cl-phen) ligands and two dicyanamide (dca) ligands in a cis arrangement, forming a distorted octa-hedral geometry. The equatorial plane is occupied by three N atoms from two 4,7-Cl-phen ligands and one N atom from a dca ligand at shorter Cu-N distances. Due to the Jahn-Teller effect, the axial positions are occupied by a 4,7-Cl-phen N atom and a dca N atom at longer Cu-N distances. The dca ligands are nearly planar, with a maximum deviations of 0.006 (1) Å. The crystal structure is stabilized by weak C-H⋯N hydrogen bonds, with cyanide N atoms as acceptors, and π-π inter-actions between adjacent phenyl rings [centroid-centroid distance = 3.725 (3) Å].

| S-EPMC2979476 | biostudies-literature

Bis(2-amino-benzothia-zole-κN)bis-(thio-cyanato-κN)zinc(II).

Project description:The Zn(II) ion in the title complex, [Zn(NCS)(2)(C(7)H(6)N(2)S)(2)], is tetra-hedrally coordinated within an N(4) donor set defined by two N atoms of two terminal isothio-cyanate ligands and by two heterocyclic N atoms of two different 2-amino-benzothia-zole ligands. This arrangement is stabilized by intra-molecular N-H⋯N hydrogen bonds. In the crystal structure, mol-ecules are linked through N-H⋯S hydrogen bonds to form a two-dimensional array.

| S-EPMC2969946 | biostudies-literature

Aqua-bis(nicotinamide-κN)(thio-cyanato-κN)copper(II).

Project description:In the title compound, [Cu(NCS)(2)(C(6)H(6)N(2)O)(2)(H(2)O)], the Cu atom adopts a square-based pyramidal CuN(4)O coordination, with the water O atom in the apical position. The pairs of N-bonded nicotinamide ligands and thio-cyanate anions in the basal plane are in a trans configuration. In the crystal structure, the mol-ecules are connected into sheets by N-H⋯O and O-H⋯O hydrogen bonds.

| S-EPMC2960236 | biostudies-literature

Trans-bis-(3-tert-butyl-pyridine-κN)bis-(4-tert-butyl-pyridine-κN)bis-(thio-cyanato-κN)manganese(II).

Project description:The asymmetric unit of the title compound [Mn(NCS)(2)(C(9)H(13)N)(4)] consists of one Mn(II) cation located on a center of inversion, one thio-cyanato anion, one 3-tert-butyl-pyridine ligand and one 4-tert-butyl-pyridine ligand in general positions. The tert-butyl group of the 4-tert-butyl-pyridine ligand is disordered over two sets of sites in a 0.60:0.40 ratio. The Mn(II) cation is coordinated by six N atoms of four tert-butyl-pyridine ligands and two N-bonded thio-cyanato anions within a slightly distorted octa-hedral coordination environment.

| S-EPMC3515098 | biostudies-literature

Bis(dicyanamido-κN)bis-[2-(2-hydroxy-ethyl)pyridine-κN,O]nickel(II).

Project description:In the title complex, [Ni{N(CN)(2)}(2)(C(7)H(9)NO)(2)], the Ni(II) ion (site symmetry ) adopts a distorted trans-NiO(2)N(4) octa-hedral geometry. In the crystal, inter-molecular O-H⋯N hydrogen bonds link the mol-ecules, forming a chain along the c axis.

| S-EPMC2971932 | biostudies-literature

Bis(2-hydroxy-N'-isopropylidenebenzo-hydrazidato-κN',O)bis-(pyridine-κN)cobalt(II).

Project description:In the title complex, [Co(C(10)H(11)N(2)O(2))(2)(C(5)H(5)N)(2)], the Co(II) atom lies on a centre of symmetry and adopts a distorted cis-CoO(2)N(4) octa-hedral geometry. The two acetone salicyloylhydrazone ligands are deprotonated and act as N,O-bidentate monoanionic ligands, forming the equatorial plane, while the axial positions are occupied by two N atoms of two pyridine mol-ecules. The complex presents O-H⋯N and C-H⋯N intra-molecular hydrogen bonds. Inter-molecular C-H⋯N and C-H⋯O inter-actions are also present in the crystal.

| S-EPMC2968839 | biostudies-literature

cis-Bis(azido-κN)bis-(pyridine-2-carbox-amide-κN,O)nickel(II).

Project description:The title compound, [Ni(N(3))(2)(C(6)H(6)N(2)O)(2)], was obtained as the first crystalline product from the reaction of Ni(NO(3))(2)·6H(2)O, picolinamide and NaN(3) in aqueous media. After a few days in the mother liquor, crystals of the cis isomer transformed into the trans isomer [Đaković & Popović (2007 ▶). Acta Cryst. C63, m507-m509]. The Ni atom exhibits a distorted octa-hedral environment and contains two azide ions and two planar N,O-chelating picolinamide ligands, all cis related. The dihedral angle between the two chelate rings is 82.43 (7)°. Pairs of mol-ecules are linked by N-H⋯N hydrogen bonds into cyclic R(2) (2)(16) dimers, which are further packed into a three-dimensional framework by C(6) and C(8) chains by N-H⋯N hydrogen bonds.

| S-EPMC2960430 | biostudies-literature

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