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Bis[tris-(1,10-phenanthroline)nickel(II)] tris-[dicyanidoargentate(I)] nitrate 4.2-hydrate.

ABSTRACT: The title compound, [Ni(C(12)H(8)N(2))(3)](2)[Ag(CN)(2)](3)(NO(3))·4.2H(2)O, crystallizes with two independent [Ni(phen)(3)](2+) cations (phen is 1,10-phenanthroline; both Ni atoms have threefold symmetry and N(6) donor sets), three near-linear [Ag(CN)(2)](-) anions, one nitrate anion (N site symmetry 3) and 4.2 water mol-ecules of crystallization, some of which are disordered. The [Ag(CN)(2)](-) anions are situated within cavities created by the phenanthroline ligands of adjacent [Ni(phen)(3)](2+) cations. Some short C-H?O and C-H?N inter-actions may help to establish the packing.

SUBMITTER: Monim-Ul-Mehboob M

PROVIDER: S-EPMC2959559 | BioStudies | 2008-01-01T00:00:00Z

REPOSITORIES: biostudies

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Bis[chloridobis(1,10-phenanthroline)copper(II)] penta-cyanido-nitro-soferrate(II) di-methyl-formamide monosolvate.

Project description:The title complex [CuCl(C12H8N2)2]2[Fe(CN)5(NO)]·C3H7NO, consists of discrete [Cu(phen)2Cl](+) cations (phen is 1,10-phenanthroline), [Fe(CN)5NO](2-) anions and one di-methyl-formamide (DMF) solvent mol-ecule of crystallization per asymmetric unit. The Cu(II) atom is coordinated by two phenanthroline ligands and one chloride ion in a distorted trigonal-bipyramidal geometry. The dihedral angle between the phen ligands is 77.92?(7)°. The cation charge is balanced by a disordered nitro-prusside counter-anion with the Fe(II) atom located on an inversion center with a slightly distorted octa-hedral coordination geometry. In the crystal, weak C-H?N and C-H?Cl hydrogen bonds connect anions and cations into a two-dimensional network parallel to (100). In addition, ?-? stacking inter-actions are observed with centroid-centroid distances in the range 3.565?(2)-3.760?(3)Å. The di-methyl-formamide solvent mol-ecule was refined as disordered about an inversion center.

2013-01-01 | S-EPMC3772424 | BioStudies

(Nitrato-?(2) O,O')bis-(1,10-phenanthroline-?(2) N,N')copper(II) tricyano-methanide.

Project description:The title compound, [Cu(NO3)(C12H8N2)2][C(CN)3], is formed of discrete [Cu(NO3)(phen)2](+) complex cations (phen is 1,10-phenanthroline) and C(CN)3(-) counter-anions. The Cu(II) atom has an asymmetric tetragonal-bipyramidal (4 + 1+1) stereochemistry with a pseudo-C2 symmetry axis bis-ecting the nitrate ligand and passing through the Cu(II) atom between the two phen ligands. The four N atoms of the phen ligands coordinate to the Cu(II) atom with Cu-N distances in the range 1.974?(2)-2.126?(2)?Å, while the two O atoms coordinate at substanti-ally different distances [2.154?(2) and 2.586?(2)?Å]. The structure is stabilized by C-H?O hydrogen bonds and weak ?-? inter-actions between nearly parallel benzene and pyridine rings of two adjacent phen mol-ecules, with centroid-centroid distances of 3.684?(2) and 3.6111?(2)?Å, and between ?-electrons of the tricyano-methanide anion and the pyridine or benzene rings [N?(ring centroid) distances = 3.553?(3)-3.875?(3)?Å].

2012-01-01 | S-EPMC3588793 | BioStudies

Bis[(cyanido-?C)bis(1,10-phenanthroline-?(2)N,N')copper(II)] pentakis-(cyanido-?C)nitro-soferrate(II) dimethyl-formamide monosolvate.

Project description:The title compound, [Cu(CN)(C(12)H(8)N(2))(2)](2)[Fe(CN)(5)(NO)]·C(3)H(7)NO, is formed of discrete [Cu(phen)(2)CN](+) cations (phen is 1,10-phenanthroline), nitro-prusside [Fe(CN)(5)(NO)](2-) anions and dimethyl-formamide (DMF) mol-ecules of crystallization. The metal atom has a distorted trigonal-bipyra-midal coordination environment, defined by four N atoms of two phen mol-ecules and a C atom of the cyanide group (in the equatorial position). The [Fe(CN)(5)(NO)](2-) anion was found to be disordered about (but not on) a crystallographic twofold rotation axis. Geometries were restrained to ideal values. The dimethyl-formamide solvent mol-ecule was found to be disordered about a crystallographic inversion centre.

2012-01-01 | S-EPMC3435627 | BioStudies

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Project description:The title compound, [Ni(C(3)H(10)N(2))(3)][Ni(CN)(4)], is built up of [Ni(pn)(3)](2+) cations (pn is 1,2-diamino-propane) and [Ni(CN)(4)](2-) anions. Both Ni(II) atoms in the cation and the anion lie on a mirror plane. The respective ions inter-act through Coulombic forces and through a complex network of hydrogen bonds. Extended disorder associated with the cation has been resolved. The occupancies of the respective disordered positions are 0.4:0.4:0.2.

2008-01-01 | S-EPMC2960350 | BioStudies

Tris(1,10-phenanthroline-?N,N')zinc(II) bis-(4-bromo-benzoate) 6.5-hydrate.

Project description:In the title compound, [Zn(C(12)H(8)N(2))(3)](C(7)H(4)BrO(2))(2)·6.5H(2)O, the Zn(II) atom is coordinated by six N atoms from three 1,10-phenanthroline (phen) mol-ecules in a distorted octa-hedral geometry. The chelating phen ligands exhibit nearly perfect coplanarity (r.m.s. deviations of 0.048, 0.039 and 0.061?Å). The mean inter-planar distances of 3.51?(2) and 3.54?(4)?Å between adjacent phen ligands indicate ?-? stacking inter-actions, which connect the complex cations into chains along [101]. The 4-bromo-benzoate anions and the uncoordinated water mol-ecules, parts of which are not fully occupied, are linked by O-H?O hydrogen bonds. Two carboxyl-ate O atoms and one Br atom in the 4-bromo-benzoate anions are each disordered over two sites with occupancy factors of 0.60 and 0.40.

1000-01-01 | S-EPMC2983930 | BioStudies

Tris(propane-1,2-diamine-?N,N')nickel(II) tetra-cyanidoplatinate(II).

Project description:In the title compound, [Ni(C(3)H(10)N(2))(3)][Pt(CN)(4)], the [Pt(CN)(4)](2-) anion with the environment of the Pt(II) atom, lying on a mirror plane, is square planar, whereas the Ni(II) atom in the [Ni(C(3)N(2)H(10))(3)](2+) cation, also lying on a mirror plane, has a slightly distorted octa-hedral coordination geometry. Three chiral 1,2-diamino-propane mol-ecules, which are disordered equally over two sets of positions, adopt ?(???) and ?(???) configurations. The average Ni-N and Pt-C bond lengths are 2.131?(10) and 1.988?(10)?Å, respectively. The cations and anions are connected by N-H?N hydrogen bonds.

2007-01-01 | S-EPMC2915156 | BioStudies

Tris(phenanthroline-?N,N')cobalt(II) tetra-fluoridoborate acetonitrile solvate.

Project description:In the crystal structure of the title compound, [Co(C(12)H(8)N(2))(3)](BF(4))(2)·CH(3)CN, the mol-ecular packing involves dimers of distorted octahedrally coordinated cations which are held together by one ?-? [centroid-centroid = 3.542?(4)?Å] and two C-H?? inter-actions [2.573?(4)?Å] resulting in a P4AE (Parallel Fourfold Aryl Embrace) motif. The anions are found in aryl boxes formed from the phenanthroline ligands.

1000-01-01 | S-EPMC2959989 | BioStudies

Hydrogen-bonding and ?-? stacking inter-actions in tris-(1,10-phenanthroline-?N,N')nickel(II) bis-{[1-tert-butyl-imidazole-2(3H)-thione-?S]trichloridonickelate(II)} acetonitrile disolvate.

Project description:The asymmetric unit of the title complex, [Ni(C(12)H(8)N(2))(3)][NiCl(3)(C(7)H(12)N(2)S)](2)·2CH(3)CN, consists of one anion, one-half of a cation and one acetonitrile mol-ecule. The Ni(II) atom in the [Ni(phen)(3)](2+) cation (phen is 1,10-phenanthroline) lies on an inversion centre in an octa-hedral environment, whereas in the [NiCl(3)(tm)](-) anion [tm is 1-tert-butyl-imidazole-2(3H)-thione], the geometry is distorted tetra-hedral. In the crystal structure, inter-molecular C-H?Cl hydrogen bonds and ?-? stacking inter-actions (centroid-centroid distance = 3.52?Å) lead to the formation of a three-dimensional framework. One of the methyl groups of the tert-butyl group of N-tert-butyl-2-thio-imidazole is disordered between two equally populated positions.

1000-01-01 | S-EPMC2961703 | BioStudies

Bromidobis(1,10-phenanthroline-?N,N')copper(II) dicyanamidate.

Project description:The title compound, [CuBr(C(12)H(8)N(2))(2)][N(CN)(2)], is formed of discrete [CuBr(phen)(2)](+) complex cations and uncoordinated [N(CN)(2)](-) anions (phen is 1,10-phenanthroline). The Cu atom is five-coordinated in a distorted trigonal-bipyramidal geometry by two phen mol-ecules and one bromide ligand, which coordinates in the equatorial plane at a distance of 2.5228?(4)?Å and lying along with the Cu and the amide N atoms on a twofold rotation axis. The two axial Cu-N distances [1.9926?(15)?Å] are slightly shorter than the two equatorial Cu-N bonds [2.0979?(15)?Å]. The structure is stabilized by a weak C-H?N hydrogen bond, with a cyanide N atom of the dicyanamide ligand as an acceptor, and ?-? inter-actions between nearly parallel phenyl and pyridine rings of two adjacent phen mol-ecules [centroid-centroid distance = 3.589?(1)?Å], and between ? electrons of the dicyanamide anion and the pyridine ring [N?Cg(pyridine) = 3.511?(3)?Å; C-N?Cg(pyridine) = 80.2?(2)°].

2010-01-01 | S-EPMC2983267 | BioStudies

Tetra-kis[tris-(2,2'-bi-1H-benzimidazole)nickel(II)] bis-(phosphate) sulfate.

Project description:The title compound, [Ni(C(14)H(10)N(4))(3)](4)(PO(4))(2)(SO(4)), consists of [Ni(C(14)H(10)N(4))(3)](2+) complex cations (.3. symmetry) and disordered anions ( symmetry) with occupancy factors of two-thirds for PO(4) (3-) and one-third for SO(4) (2-). The Ni(2+) centre is chelated by three bidentate 2,2'-bi-1H-benzimidazole mol-ecules in a distorted octa-hedral coordination. N-H?O hydrogen bonds consolidate the building units into a framework structure.

1000-01-01 | S-EPMC2959627 | BioStudies

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