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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).

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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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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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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 ?-? 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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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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