Guang-Feng Hou

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In the title compound, (C(20)H(20)N(4))[HgCl(4)], the Hg(II) ion is four-coordinated in a tetra-hedral environment defined by four chloride ions. The dihedral angle between the two phenyl rings is 32.83 (15)°. The protonated 1,1'-[(biphenyl-4,4'-di-yl)bis-(meth-yl-ene)]di-1H-imidazol-3-ium cations, showing a cis conformation, link the [HgCl(4)](2-) anions(More)
In the title compound, [CuCl(2)(C(18)H(16)N(2)O(2))], the Cu(II) atom lies on a twofold axis and is six-coordinated in a distorted octa-hedral environment defined by two N and two O atoms from the ligand and by two Cl atoms. In the crystal, π-π inter-actions [centroid-centroid distance = 3.838 (1) Å] and C-H⋯Cl hydrogen bonds link adjacent mol-ecules into a(More)
In the title compound, {[Co(C(10)H(14)N(4))(2)(H(2)O)(2)](NO(3))(2)}(n), the Co(II) ion lies on an inversion center and is six-coordinated in an octa-hedral environment by four N atoms from four different 1,1'-butane-1,4-diyldiimidazole ligands and two O atoms from the two water mol-ecules. The Co(II) atoms are bridged by ligands, generating a(More)
The asymmetric unit of the title compound, C(14)H(14)N(4)·2H(2)O consists of two half-mol-ecules of the main mol-ecule, each situated on an inversion center, and two mol-ecules of water. One-dimensional chains of water mol-ecules are built up by O-H⋯O hydrogen bonds which are then linked with the main mol-ecule via O-H⋯N hydrogen bonds, forming a(More)
In the title compound, [Co(NO(3))(2)(C(20)H(18)N(4))](n), the Co(II) atom lies on a crystallographic twofold axis and the coordination geometry can be considered as a slightly distorted tetra-hedron defined by two O atoms from two nitrate groups and two N atoms from two ligand mol-ecules. A distorted octa-hedron may be assumed when two of the(More)
The skeletons of both independent mol-ecules of the carboxylic acid hemihydrate, C(10)H(8)N(2)O(10)·0.5H(2)O, are approximately planar [maximum deviations 0.642 (3) and 0.468 (1) Å]. The deviations arise from the twisting of the nitro groups with respect to the aromatic rings [dihedral angles = 3.24 (2) and 27.01 (1), and 7.87 (1) and 16.37 (2)° in the two(More)
In the title linear coordination polymer, [Zn(C(6)H(4)N(2)O(4)S(3))(H(2)O)(4)](n), the Zn(II) atom is coordinated by four O atoms from four water mol-ecules and two O atoms from two [5-(carb-oxyl-atomethyl-sulfan-yl)-1,3,4-thia-diazol-2-ylsulfan-yl]acetate units in an octa-hedral coordination environment. The chains are linked into a three-dimensional(More)
In the title compound, {[Co(C(10)H(14)N(4))(2)(H(2)O)(2)]Cl(2)·4H(2)O}(n), the Co(II) atom and the mid-point of the 1,1'-butane-1,4-diyl-diimidazole ligands lie on inversion centers. The Co(II) atom is six-coordinated in a slightly distorted octa-hedral environment by four N atoms from four different ligands and by two O atoms from the water mol-ecules. The(More)
In the title compound, {[Mn(C14H14N4)2(H2O)2](NO3)2}n, the Mn ion is located on an inversion center and is coordinated by four N atoms from four 1,3-bis(1H-imidazol-1-ylmethyl)benzene (L) ligands and two water molecules in a distorted octahedral geometry. Two L ligands are related by a centre of symmetry and bridge Mn ions, forming a positively charged(More)
The reaction between [XW(9)O(34)](9-) (X = As, P) and [RuC(6)H(6)Cl(2)](2) in aqueous buffer solution (pH 6.0) leads to the isolation of two pseudo-sandwich-type heteropolytungstates KNa(6)[(RuC(6)H(6))AsW(9)O(34)] x 17 H(2)O (As-1) and Na(7)[(RuC(6)H(6))PW(9)O(34)] x 14 H(2)O (P-2). Single-crystal X-ray diffraction analyses reveal that the two compounds(More)