%0 Journal Article %T N,N,N′,N′-Tetramethyl-N′′-[2-(N′,N′,N′′,N′′-tetramethylguanidino)ethyl]guanidine %A Ioannis Tiritiris %A Willi Kantlehner %J Acta Crystallographica Section E %D 2012 %I International Union of Crystallography %R 10.1107/s1600536812027079 %X The title compound, C12H28N6, is located about an inversion center situated at the center of the ¡ªCH2¡ªCH2¡ª bond. The C¡ªN bond lengths are 1.285 (2), 1.384 (2) and 1.395 (1) , indicating double- and single-bond character. The N¡ªC¡ªN angles are 114.1 (1), 119.3 (1) and 126.5 (1)¡ã, showing a deviation of both CN3 planes from an ideal trigonal¨Cplanar geometry. %U http://scripts.iucr.org/cgi-bin/paper?S1600536812027079