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Bis(triphenyl-guanidinium) tetra-chlorido-cuprate(II).

ABSTRACT: The structure of the title compound, (C(19)H(18)N(3))(2)[CuCl(4)], consists of square-planar [CuCl(4)](2-) anions and triphenyl-guanidinium cations. The Cu(II) ion occupies a crystallographic inversion centre. In the cation, the dihedral angles between the phenyl rings and the plane defined by the central guanidinium fragment are in the range 51.9 (4)-64.4 (3)°. N-H⋯Cl hydrogen bonds assemble the ions into infinite chains running along the b axis.

SUBMITTER: Pereira Silva PS

PROVIDER: S-EPMC2961991 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure of bis-(N,N,N',N'-tetra-methyl-guanidinium) tetra-chlorido-cuprate(II).

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| S-EPMC3120374 | biostudies-literature

Bis(3-methyl-pyridinium) tetra-(chlorido/bromido)cuprate(II).

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| S-EPMC3120388 | biostudies-literature

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Project description:The asymmetric unit of the title compound, (CH(6)N(3))(4)[Cu(C(6)H(5)O(7))(2)]·2H(2)O, contains one-half of a centrosymmetric Cu(II) complex anion, two guanidinium cations and a water mol-ecule. The Cu(II) ion, lying on a crystallographic inversion center, is hexa-coordinated with two citrate anions in a distorted octahedral geometry. An intra-molecular O-H?O hydrogen bond generates an S(6) ring motif. In the crystal structure, mol-ecules are linked into a three-dimensional framework by inter-molecular N-H?O and O-H?O hydrogen bonds.

| S-EPMC2971813 | biostudies-other

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| S-EPMC2977565 | biostudies-literature

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Project description:In the title salt, (C7H7N2)2[CuCl4]·2H2O, the Cu2+ cation is coordinated by four Cl atoms and adopts a distorted tetra-hedral geometry. Two mol-ecules of imidazo[1,2-a]pyridine are protonated ensuring electrical neutrality. O-H?Cl and N-H?O hydrogen bonds link the organic and the inorganic moieties, leading to a self-organized hydrated hybrid structure.

| S-EPMC5290564 | biostudies-literature

Crystal structure of the thermochromic bis-(di-ethyl-ammonium) tetra-chlorido-cuprate(II) complex.

Project description:In the structure of the title complex salt, (Et2NH2)2[CuCl4], the asymmetric unit consists of four unique di-ethyl-ammonium cations and three unique tetra-chlorido-cuprate anions. Two of the three anions are located with their copper atoms on independent crystallographic twofold axes, while the remaining tetra-chlorido-cuprate is located at a general position of the ortho-rhom-bic space group P21212. Two of the three Cu atoms adopt a distorted square-planar/disphenoidal geometry and the third Cu atom has a regular square-planar coordination environment. The di-ethyl-ammonium cations form an extensive hydrogen-bonded network through N-H⋯Cl inter-actions with the tetra-chlorido-cuprate anions, resulting in a two-dimensional sheet-like hydrogen-bonded network parallel to the ab direction. The complex was observed to undergo a color shift from deep green at room temperature to pale yellow at temperatures above 328 K.

| S-EPMC4704760 | biostudies-literature

Crystal structure of the monoclinic phase (phase IV) of bis-(tetra-methyl-ammonium) tetra-chlorido-cuprate(II).

Project description:The crystal structure of the low-temperature monoclinic phase of the title compound, [(CH3)4N]2[CuCl4], was determined at 120 K. The structure of the room-temperature phase has been determined in the ortho-rhom-bic space group Pmcm [Morosin & Lingafelter (1961 ▸). J. Phys. Chem. 50-51; Clay et al. (1975 ▸). Acta Cryst. B31 289-290]. The asymmetric unit consists of one discrete tetra-chlorido-cuprate anion with a distorted tetra-hedral geometry and two tetra-methyl-ammonium cations. In the crystal, the cations and the anions are linked via weak C-H⋯Cl hydrogen bonds.

| S-EPMC5347053 | biostudies-literature

Bis[4-(di-methyl-amino)-pyridinium] tetra-chlorido-cuprate(II).

Project description:The asymmetric unit of the title salt, (C7H11N2)2[CuCl4], comprises half a tetrahedral tetra-chlorido-cuprate anion, being located on a twofold axis, and a protonated 4-(di-methyl-amino)-pyridine cation. The geometry around the Cu(II) ion is highly distorted with the range of Cl-Cu-Cl angles being 94.94?(1)-141.03?(1)°. The crystal structure is stabilized by N-H?Cl and C-H?Cl hydrogen bonds. In the three-dimensional network, cations and anions pack in the lattice so as to generate chains of [CuCl4](2-) anions separated by two orientations of cation layers, which are inter-locked through ?-? stacking contacts between pairs of pyridine rings, with centroid-centroid distances of 3.7874?(7)?Å.

| S-EPMC3884264 | biostudies-other

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