The crystal and molecular structure of the [N(2-ammoniumethyl)piperazinium]tetrachloromonobromocuprate(II) monohydrate is reported. The crystals are monoclinic, space group P2(1)/c, Z = 4, with a = 9.560(2), b = 9.240(3), c = 18.270(7) angstrom, beta = 99.20(2)degrees. The structure consists of discrete N(2-ammoniumethyl)piperazinium cations, uncoordinated water molecules and [CuCl4Br]3- anions, in which four coplanar chlorine atoms occupy the square-basal plane and one bromine atom the axial position, giving the copper(II) ion a moderately elongated square-pyramidal geometry. The structure was refined to a final R index of 0.0765.
[N(2-AMMONIUMETHYL)PIPERAZINIUM]TETRACHLOROMONOBROMOCUPRATE(II) MONOHYDRATE - A COMPOUND CONTAINING A DISCRETE SQUARE-PYRAMIDAL UNIT / Battaglia, Lp; Corradi, Anna; Ianelli, S.. - In: JOURNAL OF CRYSTALLOGRAPHIC AND SPECTROSCOPIC RESEARCH. - ISSN 0277-8068. - STAMPA. - 23:(1993), pp. 411-415.
[N(2-AMMONIUMETHYL)PIPERAZINIUM]TETRACHLOROMONOBROMOCUPRATE(II) MONOHYDRATE - A COMPOUND CONTAINING A DISCRETE SQUARE-PYRAMIDAL UNIT
CORRADI, Anna;
1993
Abstract
The crystal and molecular structure of the [N(2-ammoniumethyl)piperazinium]tetrachloromonobromocuprate(II) monohydrate is reported. The crystals are monoclinic, space group P2(1)/c, Z = 4, with a = 9.560(2), b = 9.240(3), c = 18.270(7) angstrom, beta = 99.20(2)degrees. The structure consists of discrete N(2-ammoniumethyl)piperazinium cations, uncoordinated water molecules and [CuCl4Br]3- anions, in which four coplanar chlorine atoms occupy the square-basal plane and one bromine atom the axial position, giving the copper(II) ion a moderately elongated square-pyramidal geometry. The structure was refined to a final R index of 0.0765.
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