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1-(2,5-Dimethyl-phen-yl)piperazine-1,4-diium tetra-chloridozincate monohydrate.

ABSTRACT: In the title compound, (C(12)H(20)N(2))[ZnCl(4)]·H(2)O, the two piperazine N atoms are protonated and the [ZnCl(4)](2-) anions adopt a slightly distorted tetra-hedral configuration. In the crystal, O-H⋯Cl hydrogen bonds link the tetra-chloridozincate anions and the water mol-ecules into corrugated inorganic chains parallel to [010]. The crystal structure is stabilized by N-H⋯Cl, N-H⋯O and O-H⋯Cl hydrogen bonds, with the N-H hydrogen bond originating from one of the two N atoms being trifurcated.

SUBMITTER: Kefi R

PROVIDER: S-EPMC3099933 | biostudies-literature |

REPOSITORIES: biostudies-literature

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1-(4-Chloro-phen-yl)piperazine-1,4-diium tetra-chlorido-zincate(II) monohydrate.

Project description:In the crystal structure of the title compound, (C(10)H(15)ClN(2))[ZnCl(4)]·H(2)O, the Zn atom is coordinated by four Cl atoms in a tetrahedral geometry. The water mol-ecules and the 1-(4-chloro-phen-yl)piperazine-1,4-diium cations inter-act with the [ZnCl(4)](2-) anions through O-H⋯Cl, N-H⋯Cl, N-H⋯O and C-H⋯Cl hydrogen bonds (five simple and one bifurcated). Inter-molecular π-π stacking inter-actions are present between adjacent aromatic rings of 1-(4-chloro-phenyl)-piperazine-1,4-diium cations (the centroid-centroid distance is 3.453 Å).

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Project description:The crystal structure of the title compound, (C(5)H(14)N(2))[ZnCl(4)]·0.5H(2)O, is built up from discrete 1-methyl-piperazine-diium cations with chair conformation, tetrahedral tetrachloridozincate anions and uncoordinated solvent water mol-ecules linked together by three types of inter-molecular hydrogen bonds, viz. N-H⋯Cl, N-H⋯O and O-H⋯Cl.

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Project description:The asymmetric unit of the title inorganic-organic hybrid compound, (C10H16N2O)[CoCl4]·H2O, consists of a tetrahedral [CoCl4](2-) anion, together with a [C10H18N2O](2+) cation and a water mol-ecule. Crystal cohesion is achieved through N-H⋯Cl, O-H⋯Cl and N-H⋯O hydrogen bonds between organic cations, inorganic anions and the water mol-ecules, building up a three-dimensional network.

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Project description:In the title compound, (C(7)H(18)N(2))[ZnCl(4)], the Zn atom adopts a slightly distorted tetra-hedral geometry. The diprotonated piperazine ring adopts a chair conformation. In the crystal structure, the cations and anions are linked by inter-molecular N-H⋯Cl hydrogen bonds into a chain along [001].

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1-(2,3-Di-methyl-phen-yl)piperazine-1,4-diium tetra-chlorido-cuprate(II).

Project description:In the title salt, (C12H20N2)[CuCl4], the Cu(II) atom occupies a general position in a flattened tetra-hedral environment by Cl ligands, characterized by Cl-Cu-Cl angles of 134.04?(3) and 137.18?(4)°. The six-membered piperazinediium ring adopts a chair conformation. The organic cation and inorganic anion inter-act through N-H?Cl and C-H?Cl hydrogen bonds, forming a three-dimensional network.

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1,4-Dimethyl-piperazine-1,4-diium dibromide dihydrate.

Project description:In the title hydrated mol-ecular salt, C(6)H(16)N(2) (2+)·2Br(-)·2H(2)O, the complete 1,4-dimethyl-piperazine-1,4-diium dication is generated by crystallographic inversion symmetry and both exocyclic C-N bonds are in equatorial orientations. In the crystal, the components are linked by N-H?O and O-H?Br hydrogen bonds, generating chains propagating in [110].

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1,4-Bis(3-methyl-phen-yl)piperazine-2,5-dione.

Project description:The asymmetric unit of the title compound, C(18)H(18)N(2)O(2), consists of two independent mol-ecules, each of which is located about a center of inversion. The mol-ecules are not planar, showing dihedral angles of 55.84 (9) and 54.10 (8)° between the piperazinedione and the aromatic rings. The piperazine N atoms exhibit a planar configuration. The crystal packing is stabilized by inter-molecular C-H⋯O hydrogen bonds.

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trans-2,5-Di-methyl-piperazine-1,4-diium dinitrate.

Project description:In the structure of the title salt, C6H16N2 (2+)·2NO3 (-), the cations are connected to the anions through bifurcated N-H?(O,O) and weak C-H?O hydrogen bonds, generating corrugated layers parallel to the (100) plane. The organic cation is centrosymmetric and the diprotonated piperazine ring adopts a chair conformation, with the methyl groups occupying equatorial positions.

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1-Benzyl-piperazine-1,4-diium bis-(perchlorate) monohydrate.

Project description:In the title compound, C(11)H(18)N(2) (2+)·2ClO(4) (-)·H(2)O, one perchlor-ate anion is disordered over two orientations in a 0.66?(3):0.34?(3) ratio. Inter-molecular O-H?O, N-H?O and C-H?O hydrogen bonds link the cations, anions and water mol-ecules into ribbons extending along [100].

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