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Hexaaqua-copper(II) dichloride bis-(hexa-methyl-enetetra-mine) tetra-hydrate.

ABSTRACT: The title compound, [Cu(H(2)O)(6)]Cl(2)·2C(6)H(12)N(4)·4H(2)O, was prepared under mild hydro-thermal conditions. The asymmetric unit consists of one half of the [Cu(H(2)O)(6)](2+) cation, a hexa-methyl-enetetra-mine mol-ecule, two solvent water mol-ecules and a chloride ion. The formula unit is generated by crystallographic inversion symmetry. The Cu atom lies on a crystallographic inversion centre. It is in a slightly distorted octa-hedral coordination environment. In the crystal structure, inter-molecular O-H⋯O, O-H⋯N and O-H⋯Cl hydrogen bonds link the components into a three-dimensional network.

SUBMITTER: Li ZL

PROVIDER: S-EPMC2961946 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Hexaaqua-zinc(II) dichloride bis-(hexa-methyl-enetetramine) tetra-hydrate.

Project description:The title compound, [Zn(H(2)O)(6)]Cl(2)·2C(6)H(12)N(4)·4H(2)O, has been prepared under mild hydro-thermal conditions. The Zn(II) atom, located on a centre of symmetry, is coordinated by six water mol-ecules in a distorted octa-hedral coordination geometry. The hexa-methyl-enetetra-mine mol-ecule is not coordinated to Zn(II) but links the Zn complexes via three O-H?N hydrogen bonds. The remaining N atom of the hexa-methyl-enetetra-mine mol-ecule is hydrogen-bonded to a solvent water mol-ecule. In the crystal structure, inter-molecular O-H?O, O-H?N and O-H?Cl hydrogen bonds link the components into a three-dimensional network.

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Bis(hexa-methyl-enetetra-mine)bis-(tri-chloro-acetato)copper(II).

Project description:In the title compound, [Cu(C(2)Cl(3)O(2))(2)(C(6)H(12)N(4))(2)], the Cu(II) ion (site symmetry 2) is coordinated by two trichloro-acetate anions and two hexa-methyl-enetetra-mine mol-ecules, resulting in a distorted CuN(2)O(2) geometry that is inter-mediate between tetra-hedral and square planar. The Cl atoms are disordered over two sets of sites, with relative occupancies of 0.749?(7) and 0.251?(7). In the crystal, the packing is consolidated by inter-molecular C-H?O inter-actions.

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Aqua-(hexa-methyl-enetetra-mine-?N)bis-(methanol-?O)bis-(thio-cyanato-?N)cobalt(II).

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Hexaaqua-manganese(II) bis-{[N-(3-meth-oxy-2-oxidobenzyl-idene)glycylglycinato]copper(II)} hexa-hydrate.

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| S-EPMC2971010 | biostudies-literature

Dicarbon-yl(?(5)-cyclo-penta-dien-yl)(hexa-methyl-enetetra-mine-?N(1))iron(II) tetra-fluoridoborate.

Project description:In the structure of the title compound, [Fe(C(5)H(5))(C(6)H(12)N(4))(CO)(2)]BF(4), the arrangement around the Fe(II) atom corresponds to that of a three-legged piano stool. The cyclo-penta-dienyl ligand occupies three coordination sites of the apical position in a ?(5) fashion, while two CO ligands and one N atom of the hexa-methyl-ene-tetra-mine ligand occupy the remaining coordination sites to complete a distorted octa-hedral geometry. The asymmetric unit consists of two sets of crystallographically independent cations and anions with the r.m.s. deviations of the overlay of non-H atoms of each pair being 0.081 and 0.120?Å, respectively. The Fe-N bond lengths are 2.0459?(15) and 2.0490?(14)?Å, while the Fe-Cp(centroid) distances are 1.7257?(3) and 1.7246?(3)?Å. One of the anions displays disorder, with the F atoms having occupancies of 0.58?(4) and 0.42?(4).

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4,4',6,6'-Tetra-methyl-2,2'-bipyrimidine hexa-hydrate.

Project description:In the title compound, C(12)H(14)N(4)·6H(2)O, the two pyrimidine rings make a dihedral angle of 5.285 (6)°. Inter-molecular O-H⋯O hydrogen bonds link the six water mol-ecules, generating edge-fused four-, five- or six-membered ring motifs and forming two-dimensional sheets. The sheets are stabilized by the formation of O-H⋯N hydrogen bonds between the water mol-ecules and the bipyrimidine mol-ecules, resulting in a three-dimensional network.

| S-EPMC2968866 | biostudies-literature

Bis(piperazinediium) benzene-1,2,4,5-tetra-carboxyl-ate hexa-hydrate.

Project description:The title compound, 2C(4)H(12)N(2) (2+)·C(10)H(2)O(8) (4-)·6H(2)O or (pipzH(2))(2)(btc)·6H(2)O, was formed from the reaction between benzene-1,2,4,5-tetra-carboxylic acid (btcH(4)) as a proton donor and piperazine (pipz) as a proton acceptor. A variety of O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds, as well as C-H⋯π inter-actions, are present in the crystal structure. Two water O atoms are each disordered over two positions; for both the site occupany factors are ca 0.66 and 0.34.

| S-EPMC2960987 | biostudies-literature

Non-merohedrally twinned hexa-methyl-enetetra-mine-4-nitro-phenol-water (1/2/1), triclinic modification.

Project description:The asymmetric unit of the title cocrystal, C(6)H(12)N(4)·2C(6)H(5)NO(3)·H(2)O, contains four formula units, which are linked by O-H⋯O and O-H⋯N hydrogen bonds into chains in the crystal. The crystal studied was a non-merohedral twin, with a minor twin component of 19%.

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Project description:The two Co(II) atoms in the title salt, [Co(H(2)O)(6)][Co(C(4)H(4)O(4)S)(2)]·4H(2)O, exist in an octa-hedral coordination environment. In the cation, the Co atom is surrounded by six water mol-ecules, and in the anion, it is bis-O,S,O'-chelated by the thio-acetate ligands. The cations, anions and uncoordinated water mol-ecules are linked by O-H⋯O hydrogen bonds into a three-dimensional network.

| S-EPMC3246949 | biostudies-literature

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