In the title complex, [Co(NCS)(2)(C(3)H(4)N(2))(2)(C(11)H(6)N(2)O)], the Co(II) atom has a distorted octa-hedral coordination with the N atoms of the 4,5-diaza-fluoren-9-one ligand and two N atoms from imidazole ligands in the equatorial positions and the axial sites occupied by two N atoms of the thio-cyanate ligand. Inter-molecular N-H⋯O hydrogen bonding forms a one-dimensional motif parallel...

The title compound, [Co(C(2)Cl(3)O(2))Cl(C(12)H(8)N(2))(2)], was obtained by the reaction of trichloro-acetic acid and CoCl(2) in the presence of 1,10-phenanthroline. The Co(II) ion exhibits a distorted octa-hedral geometry, with three N atoms from two 1,10-phenanthroline ligands and the Cl(-) ion in the equatorial plane and one O atom from the trichloro-acetate ligand and one phenanthroline N ...

In the title compound, [Co(C(17)H(14)O(6))(C(12)H(8)N(2))(H(2)O)](n), the Co(II) atom is coordinated by a monodentate 4,4'-(propane-1,3-diyldi-oxy)dibenzoate (cpp) dianion, a water mol-ecule and a chelating 1,10-phenanthroline (phen) ligand. A symmetry-generated cpp ligand completes the CoN(2)O(3) trigonal-bipyramidal geometry for the metal ion, with the N atoms occupying both equatorial and ax...

The Sn atom in the title compound, [Sn(C(6)H(5))(2)(C(8)H(14)N(3)S)Cl], is penta-coordinated with a trigonal-bipyramidal coordination geometry. The 1-cyclo-pentyl-idene-4-ethyl-thio-semicarbazidate (cpetsc) ligand coordinates through the S atom and the N atom bonds to the cyclo-pentyl group, forming a five-membered ring with the Sn center. The chloride ligand and the coordinated N atom are in a...

In the title compound, [Cu(C(8)H(7)O(2))(NO(3))(C(10)H(8)N(2))], the Cu(II) ion is five-coordinate in a distorted square-pyramidal geometry. The basal positions are occupied by two N atoms from a 2,2'-bipyridine ligand and two O atoms from the 2-acetyl-phenolate anion. The axial position is occupied by one O atom of a nitrate anion. In the bipyridine ligand, the two pyridine rings are slightly ...

In the title compound, [Cu(C(14)H(17)N(5)O(3))(2)(H(2)O)(2)](C(14)H(9)O(5))(2), the Cu(2+) atom, located on an inversion centre, exhibits a distorted octa-hedral geometry, coordinated by four O atoms from two pipemidic acid ligands in equatorial positions and two water mol-ecules in axial positions. The pipemidic acid ligand acts a bidentate ligand and the single deprotonated 4,4'-oxydibenzoic ...

In the title compound, [Ru(3)(C(6)H(12)Cl(3)O(3)P)(C(29)H(30)P(2))(CO)(9)], the bis-(di-o-tolyl-phosphan-yl)methane ligand bridges one Ru-Ru bond and the monodentate phosphite ligand bonds to the third Ru atom. Both ligands are equatorial with respect to the Ru(3) triangle. Each Ru atom bears one equatorial and two axial terminal carbonyl ligands. The dihedral angles between the two benzene rin...

In the title compound, [Cu(C(13)H(20)N(3)O(2))(NO(3))](n), the Cu(II) atom is chelated by the Schiff base ligand via three N atoms and one O atom lying in an approximate square plane (r.m.s. deviation = 0.04 Å). The complex mol-ecules are linked into a polymeric chain by bridging nitrate anions, forming axial Cu-O bonds of 2.535 (6) and 2.676 (7) Å, completing a distorted octa-hedral coordinati...

In the heterometallic dinuclear title compound, [CuNa(C(24)H(22)N(2)O(4))Cl(H(2)O)]·C(3)H(7)NO, the Cu(II) ion is coord-inated in a square-planar geometry by two N atoms and two O atoms of the 6,6'-dieth-oxy-2,2'-[1,2-phenyl-enebis(nitrilo-methyl--idyne)]diphenolate ligand. The Na(I) ion is hexa-coordinated by four O atoms of the ligand, defining the equatorial plan, and by one O atom of the wa...

In the title compound, [Ni(C(12)H(6)N(2)O(4))(H(2)O)(2)], the Ni(II) atom (site symmetry 2) displays a distorted cis-NiN(2)O(4) octa-hedral coordination geometry with two N atoms and two O atoms of the tetra-dentate 2,2'-bipyridine-6,6'-dicarboxyl-ate ligand in the equatorial plane and two water mol-ecules in axial positions. The complete dianionic ligand is generated by crystallographic twofol...