catena-Poly[[(2,2′-dimethyl-4,4′-bi-1,3-thia­zole-κ2 N,N′)cadmium]-di-μ-bromido]

In the title coordination polymer, [CdBr2(C8H8N2S2)]n, the CdII atom is six-coordinated in a distorted octa­hedral geometry by two N atoms from a 2,2′-dimethyl-4,4′-bi-1,3-thia­zole ligand and four bridging Br atoms. The bridging function of the Br atoms leads to a chain structure along [100]. Inter­chain C—H⋯Br hydrogen bonds and π–π contacts between the thia­zole rings [centroid–centroid distances = 3.810 (5) and 3.679 (5) Å] are observed

Dibromido(2,2′-dimethyl-4,4′-bi-1,3-thia­zole-κ2 N,N′)mercury(II)

The asymmetric unit of the title compound, [HgBr2(C8H8N2S2)], contains two crystallographically independent mol­ecules. The HgII atoms are four-coordinated in a distorted tetra­hedral geometry by two N atoms from a 2,2′-dimethyl-4,4′-bi-1,3-thia­zole ligand and two Br atoms. In the crystal structure, inter­molecular C—H⋯Br hydrogen bonds and π–π contacts between the thia­zole rings [centroid–centroid distances = 3.670 (3) and 3.614 (2) Å] stabilize the structure

2,9-Dimethyl-4,7-diphenyl-1,10-phenanthrolin-1-ium tetra­chloridoaurate(III)

Both the cation and anion of the title compound, (C26H21N2)[AuCl4], 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 AuIII atom has a square-planar environment defined by four Cl atoms. The crystal structure is stabilized by C—H⋯π and Au⋯π ring–metal (3.551 Å) inter­actions. In the crystal structure, the mol­ecules stack along the c axis via N—H⋯N hydrogen-bond inter­actions

(2,2′-Dimethyl-4,4′-bi-1,3-thia­zole-κ2 N,N′)diiodidomercury(II)

In the title compound, [HgI2(C8H8N2S2)], the HgII atom is four-coordinated in a distorted tetra­hedral geometry by two N atoms from a 2,2′-dimethyl-4,4′-bithia­zole ligand and two I atoms. In the crystal structure, adjacent mol­ecules are connected by π–π contacts between the thia­zole rings [centroid–centroid distance = 3.591 (3) Å]

2,5-Bis(pyridinium-2-yl)-3,6-bis­(2-pyrid­yl)pyrazine bis­[tetra­chlorido­aurate(III)]

In the title compound, (C24H18N6)[AuCl4]2, the cation is located on an inversion center. Each of the two independent AuIII ions lies on an inversion center and has a distorted square-planar geometry. In the crystal, inter­molecular C—H⋯Cl hydrogen bonds, π–π inter­actions [centroid–centroid distances = 3.5548 (16) and 3.7507 (16) Å] and Au⋯π inter­actions [Au⋯centroid distance = 3.6424 (10) Å] are effective in the stabilization of the structure, resulting in the formation of a supra­molecular structure. Intra­molecular N—H⋯N hydrogen bonds are present in the cation

Bis(2,4,6-trimethyl­pyridinium) hexa­chloridoplatinate(IV)

The asymmetric unit of the title compound, (C8H12N)2[PtCl6], contains one independent protonated 2,4,6-trimethyl­pyridinium cation and one half of a centrosymmetric [PtCl6]2− anion. The Pt ion has an almost ideal octa­hedral coordination. In the crystal structure, intra­molecular N—H⋯Cl and inter­molecular C—H⋯Cl hydrogen bonds result in the formation of a supra­molecular structure

(5,5′-Dimethyl-2,2′-bipyridine-κ2 N,N′)diiodidomercury(II)

In the mol­ecule of the title compound, [HgI2(C12H12N2)], the HgII atom is four-coordinated in a distorted tetra­hedral configuration by two N atoms from 5,5′-dimethyl-2,2′-bipyridine and two I atoms. There is a π–π contact between pyridine rings of adjacent molecules [centroid–centroid distance = 3.723 (5) Å]

Bis[dichlorido(5,5′-dimethyl-2,2′-bi­pyridine-κ2 N,N′)gold(III)] tetra­chlorido­aurate(III) dichloridooaurate(I)

The title compound, [AuIIICl2(C12H12N2)]2[AuIIICl4][AuICl2], contains three distinct types of Au atom. In the cation, the AuIII 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 [AuCl4]− anion, the centrosymmetric AuIII atom has a square-planar coordination. The centrosymmetric [AuCl2]− anion is linear. Intra- and inter­molecular C—H⋯Cl hydrogen bonds help to establish the conformation and packing

Trichlorido(4,4′-dimethyl-2,2′-bipyridine-κ2 N,N′)(dimethyl sulfoxide-κO)indium(III)

In the mol­ecule of the title compound, [InCl3(C12H12N2)(C2H6OS)], the InIII atom is six-coordinated in a distorted octa­hedral configuration by two N atoms from the chelating 4,4′-dimethyl-2,2′-bipyridine ligand, one O atom from dimethyl sulfoxide and three Cl atoms. In the crystal structure, inter­molecular C—H⋯Cl hydrogen bonds link the mol­ecules into centrosymmetric dimers