In the centrosymmetric title compound, [Cu(C5H11N2O2)2], the Cu(2+) ion, located on an inversion centre (Wyckoff position 2b), is in a square-planar environment, surounded by four O atoms of the N-O groups of two N-nitroso-N-pentyl-hydroxy-laminate ligands [Cu-O = 1.9042 (17) and 1.9095 (16) Å]. The hy-droxy-laminate monoanions are bidentate chelating ligands. The Cu(2+) cations form stacks alo...

The title compound, {[Cu(2)(C(17)H(11)N(3)O)(SO(4))(C(5)H(5)N)(2)]·0.5C(4)H(10)O}(n), was syn-thesized by the reaction of 2-hydr-oxy-1-naphthyl-aldehyde-2-pyridine-carboxyl-hydrazone with copper sulfonate. A one-dimensional polymer was obtained via self-assembly. Each Cu ion is located in a distorted square-pyramidal coordination environment, with one Cu ion coordinated by two N and three O ato...

In the title compound, [CuI(C(13)H(12)N(2)S)(2)]·H(2)O, each Cu(I) ion is coordinated by two S atoms [Cu-S 2.2282 (16), 2.2377 (15) Å] from two N,N'-diphenyl-thio-urea ligands and one iodide ion [Cu-I 2.5170 (11) Å] in a trigonal planar geometry. The uncoordinated water mol-ecules are involved in N-H⋯O hydrogen-bonding [N⋯O 2.947 (5), 3.055 (5) Å], which link the mol-ecules into chains extended...

Nitrogen oxides (NOx) are formed during combustion in diesel engines and one current approach to reduce NOx to N2 is selective catalytic reduction with NH3 as reducing agent (NH3-SCR). To acquire both high activity and selectivity, the active site is often atomically dispersed metal atom, so-called single-site catalysts. In the case of NH3-SCR, one example is Cu-exchanged chabazite (Cu-CHA). Th...

The title compound, [Cu(C4F7O2)2(C12H8N2)(H2O)], is mononuclear and contains a penta-coordinated Cu(II) ion. The geometry of Cu(II) ion can be described as distorted square-pyramidal with two O atoms of two butano-ate anions and two N atoms of the o-phenanthroline ligand occupying the basal plane, and a water O atom located at the axial position. In the crystal, C-H⋯(O,F) and O-H⋯(O,F) hydrogen...

In the title complex, [Cu(C(14)H(13)N(2)O(2))(2)], the Cu(II) ion is located on a crystallographic inversion center. The complex thus adopts a square-planar trans-[CuN(2)O(2)] coordination geometry, with the Cu(II) ion coordinated by two 2-meth-oxy-6-(3-pyridylmethyl-imino-meth-yl)phenolate (Schiff base) ligands. The aryl and pyridyl rings in the Schiff base are almost perpendicular to each oth...

The title compound, (C(2)H(8)N)(4)[Cu(C(6)H(2)N(10))(2)Cl(2)], consists of an anionic complex which is composed of a Cu(II) ion surrounded by four N atoms from two pyrazine-2,3-diylbis(1H-tetra-zol-1-ide) ligands, and two Cl(-) atoms in a trans-Cl(2)N(4) coordination geometry; the Cu(II) atom lies on a site of symmetry 2/m. The Cu-Cl distance of 2.8719 (5) Å is long due to the Jahn-Teller disto...

In the title compound, [Cu(C(19)H(16)Br(4)N(2)O(2))], the Cu(II) ion and the substituted C atom of the diamine fragment lie on a crystallographic twofold rotation axis. The geometry around the Cu(II) ion is distorted square-planar, which is defined by the N(2)O(2) donor atoms of the coordinated Schiff base ligand. The dihedral angle between the symmetry-related substituted benzene rings is 25.3...

The title complex, [Cu(C(4)H(5)O(6))(2)(H(2)O)(2)]·2H(2)O, contains a Cu(II) ion lying on an inversion centre. The coordination geometry of the Cu(II) ion is a distorted octa-hedron with four O atoms from two hydrogen tartrate ions occupying the equatorial positions and two O atoms from two coordinated water mol-ecules occupying the axial positions. In the crystal structure, inter-molecular O-H...

In the title compound, {[Cu(C(12)H(10)O(8))(C(12)H(8)N(2))]·H(2)O}(n), the Cu(II) ion is five-coordinated by two N atoms from one phenanthroline ligand and three O atoms from three different H(2)L(2-) anions (H(4)L is bicyclo-[2.2.2]oct-7-ene-2,3,5,6-tetra-carboxylic acid) in a distorted square-pyramidal geometry. Each H(2)L(2-) ion bridges three Cu(II) atoms to form a zigzag sheet parallel to ...