catena-Poly[sodium-2-(N,N,N',N'-tetramethylethane-1,2-diamine)-2N:N'-sodium-bis[2-bis(trimethylsilyl)azanido-2N:N]]

Kennedy, Alan and Mulvey, Robert and O'Hara, Charles and Robertson, Stuart and Robertson, Gemma (2012) catena-Poly[sodium-2-(N,N,N',N'-tetramethylethane-1,2-diamine)-2N:N'-sodium-bis[2-bis(trimethylsilyl)azanido-2N:N]]. Acta Crystallographica Section E: Structure Reports, E68 (12). ISSN 1600-5368

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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.