Acta Cryst. (2006). E62, m335-m338  [ doi:10.1107/S1600536806001139 ]

[N-(2-Ammonioethyl)ethylenediamine-²N,N'][hydrogen N-(phosphonatomethyl)iminodiacetato]copper(II) sesquihydrate

F.-N. Shi, F. A. Almeida Paz, T. Trindade and J. Rocha

Abstract: The title compound, [Cu(C₅H₉NO₇P)(C₄H₁₄N₃)]·1.5H₂O, was isolated from the hydrothermal reaction (under mild conditions) between N-(phosphonomethyl)iminodiacetic acid (H₄pmida), diethylenetriamine (det) and copper(II) acetate. The structure contains discrete neutral [Cu(Hpmida)(Hdet)] complexes which are involved in a strong and extensive hydrogen-bonding network including the water molecules of crystallization. Interactions between adjacent complexes involve hydrogen bonds of two graph-set motifs, R₂¹(6) and R₂²(8), which are also responsible for the highly asymmetrical Jahn-Teller distortion of the copper(II) environment.

Online 18 January 2006

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