(2R)-2-Methylpiperazinediium tetrachloridocuprate(II)
نویسندگان
چکیده
In the title compound, (C(5)H(14)N(2))[CuCl(4)], the copper(II) ion has a slightly tetra-hedrally distorted square-planar coordin-ation geometry and the diprotonated piperazine ring adopts a chair conformation. In the crystal structure, cations and anions are linked by inter-molecular N-H⋯Cl hydrogen bonds, forming a three-dimensional network.
منابع مشابه
2-Methylpiperazinediium tetrachloridozincate(II)
The asymmetric unit of the title compound, (C(5)H(14)N(2))[ZnCl(4)], consists of a diprotonated 2-methyl-piperazine cation and a tetra-chloridozincate anion. The Zn(II) ion is in a slightly distorted tetra-hedral coordination environment. The six-membered piperazine ring adopts a chair conformation. The crystal structure is stabilized by inter-molecular N-H⋯Cl hydrogen bonds.
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In the title mol-ecular salt, (C(6)H(16)N)(2)[CuCl(4)], the Cu(II) ion adopts an extremely distorted tetra-hedral coordination geometry. All the ammonium H atoms are involved in N-H⋯Cl hydrogen bonds, which serve to link the cations and anions into chains propagating along the c-axis direction.
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In the crystal structure of the title compound, (C(7)H(15)ClN(2))[CuCl(4)], a weak inter-molecular N-H⋯Cl hydrogen bond is observed between the organic dication and the tetrahedral [CuCl(4)](2-) anion. The organic dication is distorted, as indicated by the N-C-C-N torsion angles, which range from 16.76 (4) to 19.54 (3)°.
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The title compound, (C(6)H(9)N(2))(2)[CuCl(4)], contains a distorted tetra-hedral [CuCl(4)](2-) anion and two protonated amino-pyridinium cations. The geometries of the protonated amino-pyridinium cations reveal amine-imine tautomerism. The crystal packing is influenced by N-H⋯Cl and C-H⋯Cl hydrogen bonds and π-π stacking inter-actions [centroid-centroid distances = 3.635 (4) and 3.642 (4)°].
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