Tetra-phenyl-phospho-nium [µ3-(4-methyl-phen-yl)tellurolato]tris-[tetra-carbonyl-iron(0)].

In the anion of the title compound, (C24H20P)[Fe3(C7H7Te)(CO)12], each Fe(0) atom is coordinated by four CO ligands and a Te atom, resulting in a trigonal-bipyramidal coordination environment. The Te atom is coordinated by a 4-methyl-phenyl group and the Fe(0) atoms in a distorted tetra-hedral geometry. The average Te-Fe bond length is 2.574 (4) Å.

(meso-5,5,7,12,12,14-Hexamethyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-ne)nickel(II) bis-[O,O'-(1,2-phenyl-ene) dithio-phosphate].

In the crystal structure of the title compound, [Ni(C(16)H(36)N(4))](C(6)H(4)O(2)PS(2))(2), the Ni(II) cation is located on a center of inversion and is chelated by the folded tetra-amine macrocycle ligand in a slightly distorted NiN(4) square-planar geometry. Two symmetry-related O,O'-(1,2-phenyl-ene)dithio-phosphate anions are located on either side of the Ni(II) cation, with Ni⋯S of 3.9558 (5) Å, and link to the tetra-amine macrocycle ligand via N-H⋯S hydrogen bonding.

Bis(4'-hy-droxy-biphenyl-4-carboxyl-ato-κO)(1,10-phenanthroline-κN,N')zinc.

In the title compound, [Zn(C(13)H(9)O(3))(2)(C(12)H(8)N(2))], the Zn(II) atom is located on a twofold rotation axis and has a distorted tetra-hedral coordination with two N atoms from the phenanthroline ligand arranged around the twofold axis and two O atoms from two symmetry-related 4'-hy-droxy-biphenyl-4-carboxyl-ate ligands. The mol-ecules are linked by O-H⋯O hydrogen bonds, forming a chain developing parallel to [101].

(C-meso-N-meso-5,12-Dimethyl-7,14-diphenyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-4,11-diene)copper(II) bis-[O,O'-bis-(4-methyl-phen-yl)dithio-phosphate].

In the title compound, [Cu(C(24)H(32)N(4))](C(14)H(14)O(2)PS(2))(2), the Cu(II) atom lies on an inversion center and is chelated by the macrocyclic ligand in a distorted CuN(4) square-planar geometry. Two O,O'-bis-(4-methyl-phen-yl)dithio-phosphate anions occupy the axial positions with long Cu⋯S distances of 3.0090 (8) Å. Inter-molecular N-H⋯S and C-H⋯S hydrogen bonding is present between the anions and the cation.

(meso-5,5,7,12,12,14-Hexamethyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-ne)copper(II) bis-[O,O'-(o-phenyl-ene)dithio-phosphate].

In the title compound, [Cu(C(16)H(36)N(4))](C(6)H(4)O(2)PS(2))(2), the Cu(II) cation lies on an inversion center and is chelated by the macrocyclic tetra-amine ligand in a slightly distorted CuN(4) square-planar geometry. The axial positions are occupied by two O,O'-(o-phenyl-ene)dithio-phosphate anions with long Cu⋯S distances of 3.0940 (7) Å. Inter-molecular N-H⋯S and C-H⋯O hydrogen bonding is present between the anions and the cation and helps to stabilize the crystal structure.

(C-meso-N-meso-5,12-Dimethyl-7,14-diphenyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-4,11-diene)nickel(II) bis-[O,O'-bis-(4-methyl-phen-yl) dithio-phosphate].

The title complex, [Ni(C(24)H(32)N(4))](C(14)H(14)O(2)PS(2))(2), comprises a centrosymmetric [Ni(meso-diphen-yl[14]dien)](2+) dication (meso-diphen-yl[14]dien is C-meso-N-meso-5,12-dimethyl-7,14-diphenyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-4,11-diene) and two O,O'-bis-(4-methyl-phen-yl) dithio-phosphate anions. The Ni(II) ion lies on an inversion center and is chelated by a tetra-amine macrocycle ligand in a slightly distorted NiN(4) square-planar geometry. Two S atoms from symmetry-related anions are located in pseudo-axial positions with respect to the Ni(II) ion, with Ni⋯S distances of 3.1869 (8) Å. In the crystal, bifurcated inter-molecular N-H⋯S(S) hydrogen bonds connect cations and pairs of anions into three-component clusters. Weak inter-molecular C-H⋯S hydrogen bonds link these clusters into chains along [100].

(meso-5,7,7,12,14,14-Hexamethyl-1,4,8,11-tetra-azacyclo-tetra-deca-4,11-diene)copper(II) bis-[O,O'-bis-(4-methyl-phen-yl) dithio-phosphate].

The title compound, [Cu(C(16)H(32)N(4))](C(14)H(14)O(2)PS(2))(2) or [Cu(trans[14]dien)][S(2)P(OC(6)H(4)Me-4)(2)](2), where trans[14]dien is meso-5,7,7,12,14,14-hexa-methyl-1,4,8,11-tetra-azacyclo-tetra-deca-4,11-diene, was obtained by the reaction of [Cu(trans[14]dien)](ClO(4))(2) and [(C(2)H(5))(2)NH](2) [S(2)P(OC(6)H(4)Me-4)(2)](2). The Cu(II) atom lies on a centre of inversion and possesses a relatively undistorted square-planar coordination arrangement with four N atoms of the macrocyclic tetra-mine trans[14]dien [Cu-N = 1.9716 (19) and 2.0075 (19) Å]. The two uncoordinated [(4-MeC(6)H(4)O)(2)PS(2)](-) groups act as counter-ions to balance the charge and inter-act with the [Cu(trans[14]dien)](2+ )complex cation through N-H⋯S hydrogen bonds.

(5,7,7,12,14,14-Hexamethyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-4,11-diene)nickel(II) bis-[O,O'-bis-(4-tert-butyl-phen-yl) dithio-phosphate].

The title salt, [Ni(C(16)H(32)N(4))](C(20)H(26)O(2)PS(2))(2), comprises a centrosymmetric [Ni(Me(6)[14]dieneN(4))](2+) dication (Me(6)[14]dieneN(4) is 5,7,7,12,14,14-hexa-methyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-4,11-diene) and two O,O'-bis-(4-tert-butyl-phen-yl) dithio-phosphate anions. The Ni(II) ion lies on an inversion centre and displays a slightly distorted NiN(4) square-planar chelation arrangement with four N atoms from the Me(6)[14]dieneN(4) macrocycle. Two S atoms from symmetry-related anions are located in pseudo-axial positions with respect to the Ni(II) ion, with Ni⋯S distances of 3.2991 (7) Å. Inter-molecular N-H⋯S and C-H⋯S hydrogen bonds link the complex cation and pair of anions into a 1:2 type salt.

(meso-5,5,7,12,12,14-Hexamethyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-ne)nickel(II) bis-[O,O'-bis-(4-methyl-phen-yl) thio-phosphate].

In the centrosymmetric title complex, [Ni(C(16)H(36)N(4))](C(14)H(14)O(3)PS)(2), the Ni(II) ion is coordinated by four N atoms and two O atoms within a slightly distorted NiN(4)O(2) octa-hedral geometry. The asymmetric unit consits of one Ni(II) ion that is located on a center of inversion, half of the macrocylic ligand and one anion occupying general positions. Intra-molecular N-H⋯O and N-H⋯S hydrogen bonding is found between the macrocyclic ligand and the monothio-phosphate anion.

Bis(2,3-dimethyl-butane-2,3-diamine)nickel(II) dinitrate monohydrate.

In the title compound, [Ni(C(6)H(16)N(2))(2)](NO(3))(2)·H(2)O, the bis-(2,3-dimethyl-butane-2,3-diamine)nickel(II) complex cation possesses a relatively undistorted square-planar geometry about the Ni atom, which lies on an inversion centre and is coordinated by four N atoms from two symmetry-related 2,3-diamino-2,3-dimethyl-butane (tmen) ligands. The amine groups are N-H⋯O hydrogen bonded to the nitrate anions, which are, in turn, linked by inter-stitial water mol-ecules lying on a twofold axis. The infinite zigzag chains thus formed along [001] are further connected to each other by N-H⋯O hydrogen bonds towards the water mol-ecules, forming layers of two-dimensional hydrogen-bonded arrays.

(meso-5,5,7,12,12,14-Hexamethyl-1,4,8,11-tetra-azacyclo-tetra-deca-ne)copper(II) bis-(O,S-dibenzyl dithio-phosphate).

In the crystal structure of the title compound, [Cu(C(16)H(36)N(4))](C(14)H(14)O(2)PS(2))(2), the Cu(II) atom is located on an inversion center and is chelated by four N atoms of the macrocyclic meso-5,5,7,12,12,14- hexa-methyl-1,4,8,11-tetra-azacyclo-tetra-decane ligand in a square-planar geometry, with Cu-N distances of 2.013 (3) and 2.014 (3) Å. In the crystal structure, one O,S-dibenzyl dithio-phosphate counter-anion links with the Cu(II) complex cation through N-H⋯O and N-H⋯S hydrogen bonding. During the synthesis, the structure of the anion re-arranged from O,O'-dibenzyl dithio-phosphate in the starting material to O,S-dibenzyl dithio-phosphate in the title compound.

(meso-5,7,7,12,14,14-Hexamethyl-1,4,8,11-tetra-azacyclo-tetra-deca-4,11-diene)nickel(II) bis-[O,O'-bis(4-methyl-phen-yl) dithio-phosphate].

In the title compound, [Ni(C(16)H(32)N(4))](C(14)H(14)O(2)PS(2))(2) or [Ni(trans[14]dien)][S(2)P(OC(6)H(4)Me-4)(2)](2), where trans[14]dien is meso-5,7,7,12,14,14-hexa-methyl-1,4,8,11-tetra-azacyclo-tetra-deca-4,11-diene, the Ni(II) ion lies across a centre of inversion and is four-coordinated in a relatively undistorted square-planar arrangement by the four N atoms of the macrocyclic ligand trans[14]dien. The two O,O'-di(4-methyl-phen-yl)dithio-phos-phates act as counter-ions to balance the charge. Important geometric data include Ni-N = 1.9135 (16) and 1.9364 (15) Å.

(Dimethyl-formamide-κO){4,4',6,6'-tetra-bromo-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}copper(II) dimethyl-formamide solvate.

In the title compound, [Cu(C(20)H(10)Br(4)N(2)O(2))(C(3)H(7)NO)]·C(3)H(7)NO, the Cu(II) ion is coordinated by two N atoms and two O atoms from a tetra-dentate Schiff base ligand and the O atom of one dimethyl-formamide ligand in an almost square-pyramidal geometry. The uncoordinated dimethyl-formamide solvent mol-ecule is disordered over two sets of positions with occupancies of 0.741 (4) and 0.259 (4). The crystal packing is stabilized by C-H⋯O inter-actions.

{N'-[(E)-1-(5-Bromo-2-oxidophen-yl)ethyl-idene]-4-chloro-benzohydrazidato}pyridinenickel(II).

The title complex, [Ni(C(15)H(10)BrClN(2)O(2))(C(5)H(5)N)], displays a square-planar coordination geometry around the Ni(II) ion, formed by the tridentate hydrazone and monodentate pyridine ligands, with the N atoms in a trans arrangement about the Ni center.

(meso-5,5,7,12,12,14-Hexamethyl-1,4,8,11-tetra-azacyclo-tetra-deca-ne)nickel(II) bis-(O,O'-dibenzyl dithio-phosphate).

In the title salt-type 1:2 adduct, [Ni(C(16)H(36)N(4))](C(14)H(14)O(2)PS(2))(2) or [Ni(tet-a)][S(2)P(OCH(2)Ph)(2)](2), where tet-a is meso-5,5,7,12,12,14-hexa-methyl-1,4,8,11-tetra-azacyclo-tetra-decane, the [Ni(tet-a)](2+) complex cation exhibits a relatively undistorted square-planar geometry about the Ni atom, which lies on an inversion centre and is coordinated by four macrocyclic N atoms. The two O,O'-bis-(2-phenyl-meth-yl) dithio-phosphate anions act as counter-ions to balance the charge and they inter-act with the complex through N-H⋯S hydrogen bonds. Important geometric data include Ni-N distances of 1.958 (3) and 1.963 (3) Å.

Bis(O,O'-diphenethyl dithio-phosphato-κS,S')bis-(4-methyl-pyridine-κN)nickel(II).

The title complex, [Ni(C(16)H(18)O(2)PS(2))(2)(C(6)H(7)N)(2)], exhibits a roughly octa-hedral coordination geometry. The Ni(II) atom lies on an inversion centre and is coordinated by four S atoms of O,O'-diphenethyl dithio-phosphate mol-ecules and two N atoms of 4-methyl-pyridine mol-ecules. Important geometric data include Ni-N = 2.100 (3) Å, and Ni-S = 2.5101 (10) and 2.4772 (11) Å.

Aqua-[2,6-bis-(2-pyridylamino)pyridine]sulfatonickel(II) monohydrate.

The Ni atom in the title complex, [Ni(SO(4))(C(15)H(13)N(5))(H(2)O)]·H(2)O, has a distorted trigonal-bipyramidal coordination formed by the tridentate 2,6-bis-(2-pyridylamino)pyridine (tpdaH(2)) ligand, one sulfate and one coordinated water mol-ecule. The tpdaH(2) ligand is three-coordinated, with the N atom of the central pyridine ring in the equatorial position [Ni-N = 1.9961 (14) Å] and the N atoms of the peripheral pyridine rings in the axial positions [Ni-N = 1.9668 (15) and 1.9895 (15) Å]. The remaining equatorial positions are occupied by the O atoms of the sulfate ligand and the water molecule. The H atoms of both NH groups of the tpdaH(2) ligand are involved in hydrogen bonds with the O atoms of the uncoordinated water mol-ecule and the sulfate group which link the complex mol-ecules, forming an infinite three-dimensional network.