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Bis[dichlorido(5,5'-dimethyl-2,2'-bi-pyridine-?N,N')gold(III)] tetra-chlorido-aurate(III) dichloridooaurate(I).

ABSTRACT: The title compound, [Au(III)Cl(2)(C(12)H(12)N(2))](2)[Au(III)Cl(4)][Au(I)Cl(2)], contains three distinct types of Au atom. In the cation, the Au(III) atom is four-coordinated in a distorted square-planar arrangement by an N,N'-bidentate 5,5'-dimethyl-2,2'-bipyridine ligand and two terminal Cl atoms. In the [AuCl(4)](-) anion, the centrosymmetric Au(III) atom has a square-planar coordination. The centrosymmetric [AuCl(2)](-) anion is linear. Intra- and inter-molecular C-H?Cl hydrogen bonds help to establish the conformation and packing.

PROVIDER: S-EPMC2968657 | BioStudies |

REPOSITORIES: biostudies

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Dichlorido(4,4'-di-tert-butyl-2,2'-bi-pyridine-?N,N')gold(III) tetrachlorido-aurate(III) acetonitrile solvate.

Project description:In the title compound, [AuCl(2)(C(9)H(12)N)(2)][AuCl(4)]·C(2)H(3)N, there is a mirror plane passing through Au and the central C-C bond of the bipyridyl ligand in the cation, and through Au and two Cl atoms of the anion. A cis-AuCl(2)N(2) square-planar geometry for the cation and a square-planar AuCl(4) geometry for the anion result. The two C atoms and the N atom of the acetonitrile mol-ecule all have m site symmetries. In the crystal structure, weak C-H?Cl inter-actions may help to establish the packing.

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Dichlorido(4,7-diphenyl-1,10-phenanthroline-?N,N')gold(III) tetra-chloridoaurate(III).

Project description:In the cation of the title compound, [AuCl(2)(C(24)H(16)N(2))][AuCl(4)], the Au(III) atom is four-coordinated in a distorted square-planar configuration by two N atoms from a 4,7-diphenyl-1,10-phenanthroline ligand and two terminal Cl atoms. In the anion, the Au(III) atom has a square-planar coordination. In the crystal structure, intra- and inter-molecular C-H?Cl hydrogen bonds are found.

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3-Phenyl-pyridinium tetra-chlorido-aurate(III).

Project description:In the title mol-ecular salt, (C(11)H(10)N)[AuCl(4)], the Au(III) atom adopts an almost regular square-planar coordination geometry and the dihedral angle between the aromatic rings of the 3-phenyl-pyridinium cation is 23.1?(3)°. In the crystal, the ions inter-act by way of N-H?Cl and C-H?Cl hydrogen bonds.

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Piperazine-1,4-diium bis-[tetra-chlorido-aurate(III)] dihydrate.

Project description:In the title compound, (C(4)H(12)N(2))[AuCl(4)](2)·2H(2)O, the Au(III) atom has a square-planar geometry. The piperazinium dication lies on an inversion centre and adopts a typical chair conformation. In the crystal, a combination of N-H?O, N-H?Cl and O-H?Cl hydrogen bonds results in the formation of a three-dimensional network.

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2-[3-(2-Pyrid-yl)pyrazin-2-yl]pyridinium tetra-chloridoaurate(III).

Project description:In the anion of the title compound, (C(14)H(11)N(4))[AuCl(4)], the Au(III) atom has an almost perfect square-planar coordination. In the crystal structure, an intra-molecular N-H?N and intermolecular C-H?Cl hydrogen bonds are observed. In addition, there is also a ring-metal inter-action between the pyrazine ring and the Au(III) atom; the distance between the centroid of the pyrazine ring and the Au(III) atom is 3.628?(2)?Å.

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Bis(2,6-dimethyl-pyridine-?N)gold(I) tetra-chloridoaurate(III).

Project description:In the cation of the title compound, [Au(C(7)H(9)N)(2)][AuCl(4)], the Au(I) atom is two-coordinated in a linear arrangement by two N atoms from two 2,6-dimethyl-pyridine ligands. In the anion, the Au(III) atom has a virtually square-planar coordination geometry. The Au atoms both are located on centers of inversion. The crystal structure involves inter-molecular C-H?Cl hydrogen bonds.

| S-EPMC2959233 | BioStudies

6,6'-Dimethyl-2,2'-bipyridin-1-ium tetra-chloridoaurate(III).

Project description:In the anion of the title compound, (C(12)H(13)N(2))[AuCl(4)], the Au(III) atom has a square-planar coordination. In the crystal, inter-molecular N-H?Cl and C-H?Cl hydrogen bonds and ?-? contacts between the pyridine rings [centroid-centroid distance = 3.5419?(19)?Å] result in the formation of a supra-molecular structure.

| S-EPMC3393230 | BioStudies

Crystal structure of 8-iodo-quinolinium tetra-chlorido-aurate(III).

Project description:The structure of the title salt, (C9H7IN)[AuCl4], is comprised of planar 8-iodo-quinolinium cations (r.m.s. deviation = 0.05?Å) and square-planar tetra-chlorido-aurate(III) anions. The asymmetric unit contains one 8-iodo-quinolinium cation and two halfs of [AuCl4](-) anions, in each case with the central Au(III) atom located on an inversion center. Inter-molecular halogen-halogen contacts were found between centrosymmetric pairs of I [3.6178?(4)?Å] and Cl atoms [3.1484?(11), 3.3762?(13), and 3.4935?(12)?Å]. Inter-molecular N-H?Cl and C-H?Cl hydrogen bonding is also found in the structure. These inter-actions lead to the formation of a three-dimensional network. Additionally, there is an intra-molecular N-H?I hydrogen bond between the aromatic iminium and iodine. There are no aurophilic inter-actions or short contacts between I and Au atoms, and there are no notable ?-stacking inter-actions between the aromatic cations.

2015-01-01 | S-EPMC4719864 | BioStudies

2,9-Dimethyl-4,7-diphenyl-1,10-phenanthrolin-1-ium tetra-chloridoaurate(III).

Project description:Both the cation and anion of the title compound, (C(26)H(21)N(2))[AuCl(4)], are disposed about a plane of mirror symmetry. The 2,9-dimethyl-4,7-diphenyl-1,10-phenanthrolinium ring is oriented at a dihedral angle of 44.2?(1)° with respect to the planar phenyl ring systems. The Au(III) atom has a square-planar environment defined by four Cl atoms. The crystal structure is stabilized by C-H?? and Au?? ring-metal (3.551?Å) inter-actions. In the crystal structure, the mol-ecules stack along the c axis via N-H?N hydrogen-bond inter-actions.

2009-01-01 | S-EPMC2977548 | BioStudies

1,3-Benzothia-zolium tetra-chlorido-aurate(III) tetra-hydro-furan solvate.

Project description:In the crystal structure of the title ionic compound (C(7)H(6)NS)[AuCl(4)]·C(4)H(8)O, the [AuCl(4)](-) anion shows a typical square-planar geometry. Numerous weak C-H?Cl hydrogen bonds between [AuCl(4)](-) and the 1,3-benzothia-zolium units form layers comprised of 24-membered rings in which hydrogen-bonded tetra-hydro-furan (THF) solvent mol-ecules are accommodated. C-H?Cl inter-actions between THF and [AuCl(4)](-) from adjacent layers result in bilayers. These are further stabilized by ?-? inter-actions between the thia-zole and benzene rings [centroid-centroid distance = 3.971?(3)?Å], resulting in the formation of a three-dimensional supra-molecular assembly.

| S-EPMC2968643 | BioStudies

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