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1,5-Diamino-tetra-zolium chloride.

ABSTRACT: The title compound, CH(5)N(6) (+)·Cl(-), crystallized with two indepedent 1,5-diamino-tetra-zolium cations and two independent chloride anions in the asymmetric unit. In the crystal, there are a number of N-H⋯Cl hydrogen-bonding inter-actions, which generate a three-dimensional network.

SUBMITTER: Meng LQ

PROVIDER: S-EPMC2983990 | biostudies-literature |

REPOSITORIES: biostudies-literature

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2,2'-Diamino-5,5'-dimethyl-4,4'-bi-1,3-thia-zolium tetra-chlorido-zincate(II).

Project description:In the dianion of the title compound, (C(8)H(12)N(4)S(2))[ZnCl(4)], the Zn(II) ion is in a slightly distorted tetra-hedral environment. In the cation, the mean planes of the thia-zole rings form a dihedral angle of 67.81?(6)?Å. In the crystal structure, anions and cations are linked into a three-dimensional network via inter-molecular N-H?Cl hydrogen bonds.

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2,2'-Diamino-4,4'-bi-1,3-thia-zolium bis-(3-nitro-benzoate).

Project description:In the title salt, C(6)H(8)N(4)S(2) (2+)·2C(7)H(4)NO(4) (-), the diprotonated diamino-bithia-zole dication is located on an inversion center. The carboxyl-ate group of the anion is twisted with respect to the benzene ring, with a dihedral angle of 13.6?(4)°. N-H?O hydrogen bonds involving the amino and ammonium groups of the dication and the carboxyl-ate functionality of the anion generate supra-molecular chains in the crystal.

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Bis(2,3,5-triphenyl-tetra-zolium) tetra-thio-cyanato-cobaltate(II).

Project description:The title compound, (C(19)H(15)N(4))(2)[Co(NCS)(4)], has two crystallographycally different molecules of bis-(2,3,5-triphenyl-tetra-zolium) tetra-thio-cyanatecobaltate in the asymmetric unit. There are only minor geometric differences between them. Each cobalt(II) ion is coordinated by the N atoms of four NCS anions, showing the magnitude of the magnetic moment expected from the NCS(-) crystal field strength.

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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.

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1,5-Diamino-2,6-dibromo-9,10-anthraquinone.

Project description:In the title compound, C(14)H(8)Br(2)N(2)O(2), the mol-ecular structure features intra-molecular N-H⋯O [2.639 (2) Å and 130°] and N-H⋯Br [3.053 (2) Å and 114°] hydrogen bonding. Due to inversion symmetry, the asymmetric part of the unit cell consits of one half-mol-ecule. In the crystal, inversion dimers linked by pairs of N-H⋯O [2.955 (2) Å and 135°] hydrogen bonds occur. The structure also features C=O⋯π [3.228 (2) Å] and Br⋯Br [3.569 (1) Å] contacts.

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3,5-Diphenyl-1,2,4-dithia-zolium tetra-bromidoferrate(III).

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Project description:In the title compound, 4C(5)H(8)N(3) (+)·2C(8)H(4)O(4) (2-)·C(5)H(7)N(3), the asymmetric unit consists of two protonated diamino-pyridine cations, one phthalate anion and one half of a diamino-pyridine mol-ecule, which has twofold rotation symmetry and is disordered over two positions with a site-occupancy ratio of 0.534?(3):0.466?(3). In the disordered structure, both pyridine rings are essentially planar, with maximum deviations of 0.011?(2) and 0.006?(2)?Å, and these two rings are inclined to one another at a dihedral angle of 79.86?(10)°. In the crystal structure, inter-molecular N-H?O and C-H?O hydrogen bonds link the ions and mol-ecules into a three-dimensional network. The structure is further stabilized by C-H?? inter-actions.

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2,3-Diamino-phenazine tetra-hydrate.

Project description:The title compound, C(12)H(10)N(4)·4H(2)O, was obtained from a room-temperature solution of o-phenyl-enediamine and copper acetate. In the crystal structure, there are significant π-π stacking inter-actions, with a centroid-centroid separation of 3.575 (2) Å. In addition, inter-molecular O-H⋯O, N-H⋯O, N-H⋯N and O-H⋯N hydrogen bonds link 2,3-diamino-phenazine mol-ecules and water mol-ecules, forming a three-dimensional framework.

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Acetonyltri-phenyl-phospho-nium 2,3,5-tri-phenyl-tetra-zolium tetra-chlorido-cuprate(II).

Project description:The title compound, (C21H20OP)(C19H15N4)[CuCl4], was obtained by reacting CuCl2·2H2O with a mixture of one equivalent of acetonyltri-phenyl-phospho-nium chloride and one equivalent of 2,3,5-tri-phenyl-tetra-zolium chloride in aceto-nitrile. In the structure, the Cu centre in the dianion is bonded to four chloride ligands and adopts a distorted tetra-hedral geometry. The phospho-nium cation likewise adopts the expected tetra-hedral geometry. The tetra-zolium ring forms dihedral angles of 77.68 (10), 26.85 (11) and 66.48 (10)° with the planes of the benzene rings of the substituent groups. In the crystal, weak C-H⋯Cl hydrogen-bonding inter-actions involving both cations and the anion give rise to a three-dimensional supra-molecular structure.

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Project description:In the crystal structure of the title compound, C(11)H(26)N(3) (+)·Cl(-)·C(4)H(4)N(4), the (2Z)-2,3-diamino-but-2-ene-dinitrile (Z-DAMN) mol-ecules are connected with the chloride ions via N-H?Cl hydrogen bonds, forming ribbons running along the a axis. The guanidinium ions are located in between the ribbons formed by Z-DAMN mol-ecules and chloride ions.

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