Bis[3,5-di-tert-but­yl-2-hydroxy­benzoato-κO]bis­(dimeth­yl sulfoxide-κO)zinc(II)

The title compound, [Zn(C₁₅H₂₁O₃)₂(C₃H₆OS)₂], is a powerful charge-control agent used widely for toners in electrophotography. This Zn^II complex has no molecular symmetry and possesses a deformed tetra­hedral coordination geometry. Two 3,5-di-tert-but­yl-2-hydroxy­benzoate ligands serve as monodentate ligands, while two dimeth­yl sulfoxide mol­ecules are coordinated to the Zn atom.

Diacetonitrileheptakis[μ-3,5-bis­(1,1-dimethyl­eth­yl)-2-hydroxy­benzoato-κ²O,O′]trizinc(II)

The title compound, [Zn₃(C₁₅H₂₁O₃)₆(C₂H₃N)₂], has a center of symmetry and contains one six-coordinate Zn atom located at the center of the molecule and two four-coordinate Zn atoms at the periphery. Each 3,5-bis­(1,1-dimethyl­eth­yl)-2-hydroxy­benzoate anion serves as a bridging ligand between the central and peripheral Zn atoms. An acetonitrile mol­ecule is coordinated to each peripheral Zn atom.

Diaqua­bis(3,5-di-tert-butyl-2-hydroxy­benzoato-κO¹)zinc(II) dimethyl­acetamide tri­solvate

In the title compound, [Zn(C₁₅H₂₁O₃)₂(H₂O)₂]·3C₄H₉NO, there are two independent Zn^II complexes each having mirror symmetry. To each Zn atom, two 3,5-di-tert-butyl-2-hydroxy­benzoate ligands serve as monodentate ligands, and two water mol­ecules are additionally coordinated to form a tetra­hedral geometry.

Triaqua­bis(3,5-di-tert-butyl-2-hydroxy­benzoato-κO¹)zinc(II) dimethyl­acetamide tris­olvate

In the title compound, [Zn(C₁₅H₂₁O₃)₂(H₂O)₃]·3C₄H₉NO, the Zn^II complex has mirror symmetry. Two 3,5-di-tert-butyl-2-hydroxy­benzoate ligands serve as monodentate ligands, and three water mol­ecules are additionally coordinated to the Zn atom, forming a trigonal–bipyramidal geometry.

n-Propyl gallate–chloro­form (3/0.5)

n-Propyl gallate (PG) is a charge-control agent used for toners in electrophotography, and shows pseudo-polymorphism. In the asymmetric unit of the title compound, 3 C₁₀H₁₂O₅·0.5CHCl₃, there are three PG mol­ecules and a half-mol­ecule of chloroform, the solvent molecule being disordered over an inversion centre. There are intra- and intermolecular O—H...O hydrogen bonds, forming a two-dimensional hydrogen-bond network in the (421) plane.

n-Propyl gallate–dichloro­methane (3/0.5)

n-Propyl gallate (PG) is a charge-control agent used for toners in electrophotography, and shows pseudo-polymorphism. The title compound, 3C₁₀H₁₂O₅·0.5CH₂Cl₂, is isostructural with the corresponding chloro­form solvate. The asymmetric unit is composed of three PG mol­ecules and a half-mol­ecule of dichloromethane, the solvent being disordered over an inversion centre. There are intra- and inter­molecular O—H...O hydrogen bonds, forming a two-dimensional hydrogen-bond network in the (421) plane.

n-Propyl gallate–acetonitrile (2/1)

n-Propyl gallate (PG) is a charge-control agent used for toners in electrophotography, and shows pseudo-polymorphism. In the asymmetric unit of the title compound, 2C₁₀H₁₂O₅·CH₃CN, there are two PG mol­ecules and one solvent mol­ecule. There are intra- and inter­molecular O—H...O hydrogen bonds, forming a three-dimensional hydrogen-bond network.

N,N'-Bis(4-pyrid­yl)naphthalene-3,4:7,8-dicarboximide dimethyl­formamide disolvate

In the title compound, C₂₄H₁₂N₄O₄·2C₃H₇NO, the naphthalene imide, which is an organic pigment utilized for H₂ gas sensors, has inversion symmetry. The pyridyl rings are twisted, in the same direction, out of the plane of the naphthalene imide skeleton by 69.5 (2)°.