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Acta Cryst. (2005). E61, o1528-o1530  [ doi:10.1107/S1600536805021239 ]

Di-[mu]-aqua-bis({N-[(2-dimethylamino-[kappa]N)ethyl]-N,N',N'-trimethylethane-1,2-diamine-[kappa]2N,N'}sodium(I)) diiodide

E. Jeanneau, S. Mishra and L. G. Hubert-Pfalzgraf

Abstract: The title compound comprises centrosymmetric dimeric units, [Na2(PMDTA)2(H2O)2]2+ (PMDTA is N,N,N',N'',N''-pentamethyldiethylenetriamine, C9H23N3), where two Na cations are bridged by two water molecules. Each Na+ cation is also coordinated by three N atoms of a PMDTA molecule to give a five-coordinate distorted square-pyramidal geometry. Polymeric chains are then obtained through weak interactions between the water molecules and the I- anions that provide the charge balance. The cations and anions lie on a mirror plane.

Online 13 July 2005

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