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Acta Cryst. (2012). E68, m1468
[ doi:10.1107/S1600536812045126 ]


A. R. Kennedy, R. E. Mulvey, C. T. O'Hara, S. D. Robertson and G. M. Robertson

Abstract: The title compound, [Na2(C6H18NSi2)2(C6H16N2)]n, was found to consist of dimeric [Na(NSiMe3)2] units with crystallographically imposed centrosymmetry based upon four-membered NaNNaN rings. The dimers are bridged by N,N,N',N'-tetramethylethylenediamine ligands, which act in an unusual extended non-chelating coordination mode. This gives a one-dimensional coordination polymer that extends parallel to the a-axis direction.

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