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2,3,9,10,15,16-Hexaaza-tetra-cyclo-[6.6.2.0(4,16).0(11,15)]hexa-decane dihydrate.

ABSTRACT: The four six-membered fused rings in the title compound, C(10)H(20)N(6)·2H(2)O, adopt chair conformations; the H atoms of the four secondary N atoms occupy axial positions. Hydrogen bonds of the types N-H⋯N, N-H⋯O and O-H⋯N link the organic and water mol-ecules into a three-dimensional network.

SUBMITTER: How FN

PROVIDER: S-EPMC3414990 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Tetra-kis(3,5-xylidinium) dihydrogen cyclo-hexa-phosphate dihydrate.

Project description:In the title compound, 4C(8)H(12)N(+)·H(2)P(6)O(18) (4-)·2H(2)O, the complete cyclo-hexa-phosphate anion is generated by inversion symmetry. Crystal cohesion and stability are supported by electrostatic inter-actions which, together with N-H?O and O-H?O hydrogen bonds, build up a three-dimensional network.

| S-EPMC2980186 | biostudies-literature

Diaqua-(1,4,8,11-tetra-aza-cyclo-tetra-decane-?N,N,N,N)copper(II) didodeca-noate dihydrate.

Project description:The title compound, [Cu(C(10)H(24)N(4))(H(2)O)(2)][CH(3)(CH(2))(10)CO(2)](2)·2H(2)O, consists of one cationic copper(II) complex, two dodeca-noate anions and two water solvent mol-ecules. The Cu(II) atom is located on an inversion center and is chelated by the four aza N atoms of the neutral 1,4,8,11-tetra-aza-cyclo-tetra-decane (cyclam) ligand and by two water mol-ecules in axial positions, giving an octa-hedral coordination geometry, distorted as a consequence of the Jahn-Teller effect. The uncoordinated water mol-ecules link the complex cations and the dodeca-noate counter-ions through O-H?O hydrogen bonding, forming a layer structure parallel to (001). Inter-molecular N-H?O inter-actions also occur.

| S-EPMC3089101 | biostudies-literature

Diaqua-(1,4,8,11-tetra-aza-cyclo-tetra-decane-?N,N,N,N)copper(II) dihepta-noate dihydrate.

Project description:The Cu(II) atom in the title salt, [Cu(C(10)H(24)N(4))(H(2)O)(2)][CH(3)(CH(2))(5)CO(2)](2)·2H(2)O, is chelated by the four N atoms of the 1,4,8,11-tetra-aza-cyclo-tetra-decane (cyclam) ligand and is coordinated by two water mol-ecules in a tetra-gonally Jahn-Teller-distorted octa-hedral geometry. The Cu(II) atom lies on a center of inversion. The cations, anions and uncoordinated water mol-ecules are linked by N-H?O and O-H?O hydrogen bonds, forming a layer structure parallel to (100). The alkyl chain of the anion is disordered over two positions in a 0.82?(1):0.18?(1) ratio.

| S-EPMC3007509 | biostudies-literature

Diaqua-(1,4,8,11-tetra-aza-cyclo-tetra-decane-?N,N,N,N)copper(II) dideca-noate dihydrate.

Project description:The Cu(II) atom in the title salt, [Cu(C(10)H(24)N(4))(H(2)O)(2)][CH(3)(CH(2))(8)CO(2)](2)·2H(2)O, is chelated by the four N atoms of the 1,4,8,11-tetra-aza-cyclo-tetra-decane (cyclam) ligand and is coordinated by two water mol-ecules in a Jahn-Teller-type tetra-gonally distorted octa-hedral geometry. The Cu(II) atom lies on a center of inversion. The cations, anions and uncoordinated water mol-ecules are linked by N-H?O and O-H?O hydrogen bonds, forming a layer structure parallel to (001).

| S-EPMC3007572 | biostudies-literature

1,4,8,11-Tetra-kis(carboxy-meth-yl)-5,5,7,12,12,14-hexa-methyl-4,11-diaza-1,8-diazo-niacyclo-tetra-decane dichloride dihydrate.

Project description:The title compound, C(24)H(46)N(4)O(8) (2+)·2Cl(-)·2H(2)O, was synthes-ized by the hydrolysis of tetra-ethyl 2,2',2'',2'''-(5,5,7,12,12,14-hexa-methyl-1,4,8,11-tetra-azacyclo-tetra-decane-1,4,8,11-tetra-yl) tetra-acetate in hydro-chloric acid solution. The crystal structure of the title compound consists of a 14-membered C(10)N(4) centrosymmetric cationic macrocycle which inter-acts with the chloride ions and water mol-ecules of crystallization to give a three-dimensional hydrogen-bonded network.

| S-EPMC2961112 | biostudies-literature

1,4,8,11-Tetra-azonia-cyclo-tetra-decane tetra-kis-(hydrogensulfate).

Project description:In the title salt, C10H28N4 (4+)·4HSO4 (-), the cation lies about an inversion center. In the crystal, O-H?O and N-H?O hydrogen bonds connect the anions and cations, forming a three-dimensional network.

| S-EPMC3793773 | biostudies-literature

catena-Poly[[[(5,5,7,12,12,14-hexa-methyl-1,4,8,11-tetra-aza-cyclo-tetra-decane-?(4)N)nickel(II)]-?-oxido-[dioxidotungstate(VI)]-?-oxido] tetra-hydrate].

Project description:In the title compound, {[NiWO(4)(C(16)H(36)N(4))]·4H(2)O}(n), the Ni(II) ion lies on an inversion center and is octahedrally coordinated by four N atoms of the tetradentate macrocyclic 5,5,7,12,12,14-hexa-methyl-1,4,8,11-tetra-aza-cyclo-tetra-decane (L) ligand in the equatorial plane and two O atoms of [WO(4)](2-) anions in axial positions. Each [WO(4)](2-) anion bridges two adjacent [NiL](2+) cations, forming a chain along [001]. The chains are further connected via N-H?O, O-H?O and C-H?O hydrogen-bonding inter-actions, generating a three-dimensional structure.

| S-EPMC3435596 | biostudies-literature

Diaqua-[(1R,2S,4R,8R,9S,11R)-2,9-di-methyl-1,4,8,11-tetra-aza-cyclo-tetra-decane]nickel(II) dichloride dihydrate.

Project description:The crystal structure of the title complex, [Ni(C(12)H(28)N(4))(H(2)O)(2)]Cl(2)·2H(2)O, displays O-H?Cl and O-H?O hydrogen bonding. The tetra-aza-cyclo-tetra-decane ligand inter-acts with the Ni(II) atom in the cis V configuration and the final two ligand binding sites are occupied by water.

| S-EPMC3414157 | biostudies-literature

Bromido(meso-5,5,7,12,12,14-hexa-methyl-1,4,8,11-tetra-aza-cyclo-tetra-deca-1,7-diene)copper(II) bromide dihydrate.

Project description:There are two formula units (Z' = 2) in the asymmmetric unit of the title compound, [CuBr(C(16)H(32)N(4))]Br·2H(2)O. The title crystal consists of two [Cu(C(16)H(32)N(4))](2+) cations, two Br(-) anions and four uncoordinated water mol-ecules. The metal atom is five-coordinate square pyramidal, with a long apical Cu-Br bond [2.9734?(11) and 2.9229?(11)?Å in the two cations]. The two cations form a loosely associated dimer through the formation of hydrogen bonds between both N-H and O-H and Br(-). In addition, there is a network of N-H?Br, O-H?Br and N-H?O hydrogen bonds, leading to the formation of a chain structure.

| S-EPMC3089360 | biostudies-literature

Bis(dimethyl-ammonium) 3,3'-dicarb-oxy-5,5'-(5,7,12,14-tetra-oxo-6,13-diaza-tetra-cyclo-[6.6.2.0(4,16).0(11,15)]hexa-deca-1,3,8,10,15-penta-ene-6,13-di-yl)dibenzoate dihydrate.

Project description:The title compound, 2C(2)H(8)N(+)·C(30)H(12)N(2)O(12) (2-)·2H(2)O, comprises dimethyl-ammonium cations, 3,3'-dicarb-oxy-5,5'-(5,7,12,14-tetra-oxo-6,13-diaza-tetra-cyclo-[6.6.2.0(4,16).0(11,15)]hexa-deca-1,3,8,10,15-penta-ene-6,13-di-yl)dibenzoate dianions and water mol-ecules. The dianion is situated on a crystallographic inversion centre. Two very strong symmetry-restricted O⋯H⋯O hydrogen bonds are present which are situated about the crystallographic inversion centres. In one of these hydrogen bonds, the H atom is situated at its centre, while in the other one the H atom is disordered about its centre. Both H atoms are involved in the chain-like C(2) (2)(16) motif, and not in a more common motif R(2) (2)(8) that is composed of a pair of hydrogen carboxyl-ates with the H atoms situated about the centre between the pair of O atoms. In the crystal, inter-action of these hydrogen bonds results in formation of anionic layers of dianions parallel to (-111). The water mol-ecules donate their H atoms to one of two of the carboxyl-ate O atoms, forming strong hydrogen bonds. The dimethyl-ammonium donates a bifurcated hydrogen bond to an oxo group of the dianion, forming weak hydrogen bonds. All the hydrogen bonds form a three-dimensional hydrogen-bonded network.

| S-EPMC3393979 | biostudies-literature

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