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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

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

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(2,2'-bipyridine-κN,N')(thio-cyanato-κN)copper(II) perchlorate.

Project description:The asymmetric unit of title compound, [Cu(NCS)(C(10)H(8)N(2))(2)]ClO(4), contains a bis-(2,2'-bipyridine)(isothio-cyanato)copper(II) cation and a perchlorate anion. In the cation, the Cu(2+) ion is coordinated by four N atoms from two bidentate 2,2'-bipyridine mol-ecules and an N atom from an isothio-cyanate anion, resulting in a distorted CuN(5) pyramidal configuration. The crystal structure is stabilized by weak inter-molecular C-H⋯O and C-H⋯S hydrogen bonds, and weak π-π inter-actions between 2,2'-bipyridine rings [centroid-centroid distance = 3.908 (4) Å]. The perchlorate counteranion is disordered over two positions in a 0.66:0.34 ratio.

| S-EPMC2969965 | biostudies-literature

Bis(acetato-κO,O')[2,6-bis-(1H-pyrazol-3-yl-κN)pyridine-κN]manganese(II).

Project description:In the title complex, [Mn(CH(3)CO(2))(2)(C(11)H(9)N(5))], the Mn(II) atom is coordinated by the pyridine N atom and two pyrazole N atoms from a 2,6-bis-(pyrazol-3-yl)pyridine ligand and four O atoms from two bidentate acetate ligands. The complex mol-ecules are linked by inter-molecular N-H⋯O hydrogen bonds into a chain along [010]. π-π inter-actions between the pyridine rings and between the pyrazole rings [centroid-centroid distances = 3.772 (2) and 3.546 (2) Å] connect the chains.

| S-EPMC3099944 | biostudies-literature

Tetra-aqua-bis-(pyridine-κN)nickel(II) dinitrate.

Project description:In the title compound, [Ni(C(5)H(5)N)(2)(H(2)O)(4)](NO(3))(2), the Ni(II) ion is coordinated by two N-bonded pyridine ligands and four water mol-ecules in an octa-hedral coordination mode. The asymmetric unit consists of one Ni(II) ion located on an inversion center, as well as one pyridine ligand, one nitrate anion and two water mol-ecules in general positions. In the crystal structure, the discrete complex cations and nitrate anions are connected by O-H⋯O and C-H⋯O hydrogen bonds.

| S-EPMC3006910 | biostudies-literature

Bis(2,2'-bipyridine-κN,N')chloridocobalt(II) perchlorate.

Project description:In the cation of the title compound, [CoCl(C(10)H(8)N(2))(2)]ClO(4), the Co(II) atom displays a distorted trigonal-bipyramidal coordination geometry. The two pyridine rings in each 2,2'-bipyridine ligand form dihedral angles of 10.75 (12) and 4.28 (13)°. The crystal packing is stabilized by inter-ionic C-H⋯O hydrogen bonds, C-H⋯π inter-actions and aromatic π-π stacking inter-actions, with centroid-centroid distances of 3.616 (7) Å.

| S-EPMC2971918 | biostudies-literature

Bis(isonicotinamide-κN)bis-[4-(methyl-amino)benzoato]zinc(II) monohydrate.

Project description:In the title Zn(II) complex, [Zn(C(8)H(8)NO(2))(2)(C(6)H(6)N(2)O)(2)]·H(2)O, the Zn atom is coordinated by two 4-methyl-amino-benzoate (MAB) and two isonicotinamide (INA) ligands in a distorted trigonal-bipyramidal geometry; one of the MAB ions acts as a bidentate ligand while the other MAB and the two INA are monodentate ligands. The dihedral angles between the carboxyl groups and the adjacent benzene rings are 8.52 (22) and 5.10 (14)°. In the crystal, inter-molecular O-H⋯O and N-H⋯O hydrogen bonding links the mol-ecules into a supra-molecular structure. Weak inter-molecular C-H⋯O inter-actions are also present.

| S-EPMC2970957 | biostudies-literature

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