In the title complex, [Zn(C(4)H(3)N(6))(2)(H(2)O)(2)], the metal centre lies on an inversion centre and displays a distorted octa-hedral ZnN(4)O(2) coordination geometry. The organic ligand is not planar; the dihedral angle between the imidazole and tetra-zole rings is 8.39 (9)°. An extended network of inter-molecular N-H⋯N and O-H⋯N hydrogen bonds stabilizes the crystal structure.

The crystal structure of the title compound, (C(9)H(14)N)(2)[CuBr(4)], consists of two quarternary ammonium cations and a tetra-hedral cuprate anions. Weak C-H⋯Br hydrogen bonding is present between the cation and anion in the crystal structure.

In the title compound, C(9)H(10)ClNOS, the dihedral angle between the planar thio-phene ring and 2-chloro-ethane moiety (r.m.s deviations of 0.003 and 0.015 Å, respectively) is 45.79 (6)°. The tetra-hydro-pyridine ring adopts a half-chair conformation. The crystal packing reveals inter-molecular C-H⋯O inter-actions.

The crystal structure of a new supra-molecular complex between the tetra-phos-pho-nate cavitand 5,11,17,23-tetra-methyl-6,10:12,16:18,22:24,4-tetra-kis(phenyl-phospho-nato-κ2O,O')resorcin(4)arene and the nitrosyl cation NO+, as the BF4- salt, is reported. The complex, of general formula [(C56H44P4O12)(NO)]BF4·CH2Cl2 or NO@Tiiii[H, CH3, C6H5] BF4·CH2Cl2, crystallizes in the space group P-1. The ...

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Studies on the synthesis of a hydrothermally prepared 33% porosity xTiO2•(1-x)SiO 2 (x=0.0001-0.04) catalyst with different tetra-N- propylammonium hydroxide/tetraethylorthosilicate molar ratios show that tetra -N-propylammonium ratio = 0.5 provides maximum selectivity butanone-2 formation. The analysis data use synthesized in presence containing xTiO •(1-x)SiO obtained by hydrothermal reaction...

THE TITLE SESQUITERPENE [SYSTEMATIC NAME: 6-methoxy-10-methyl-7-(propan-2-yl)-2-oxatricyclo[6.3.1.0(4,12)]dodeca-1(11),4,6,8(12),9-pentaen-5-ol], C(16)H(18)O(3), was isolated from pathogen-infected stele tissue of Gossypium barbadense. There are two mol-ecules in the asymmetric unit and the dihedral angle between their naphtho-furan systems is 86.48 (2)°. In the crystal, O-H⋯O hydrogen bonds be...

In the square-pyramidal title complex, [CuCl(C(17)H(24)N(4)O)]Cl, the Cu(II) atom is coordinated by three N atoms [Cu-N 1.946 (2), 2.010 (2), 2.085 (3) Å], one O atom [Cu-O 1.910 (2) Å] and one apical Cl atom [Cu-Cl 2.6437 (9) Å]. The three coordinated N and one O atom are almost coplanar, with a maximum deviation of 0.0268 Å. The tetra-dentate ligand forms two five-membered (N-Cu-N) and one si...

In the title complex, [Hg(CN)(2)(C(3)H(8)N(2)S)(2)], the Hg(II) atom is located on a twofold rotation axis. It is four-coordinate having an irregular tetra-hedral geometry composed of two cyanide C atoms [Hg-C = 2.090 (6) Å] and two thione S atoms of N,N'-dimethyl-thio-urea (dmtu) [Hg-S = 2.7114 (9) Å]. The NC-Hg-CN bond angle of 148.83 (13)° has the greatest deviation from the ideal tetra-hedr...