On Thu, 8 Feb 2001, Zhongfang Chen wrote: > Does anyone know the experimental NMR values of dodecahedrane(C20H20), > this cage structure exists and well known, but I have not find the NMR > experimental results up to now Experimental C13 chemical shift in dodecahedrane is 66.9 ppm. See: E. Breitmaier, W. Voelter "Carbon-13 NMR Spectroscopy", 3rd edition, VCH Verlaggesellshaft mbH, Weinheim, FRG, 1987 /Serge.P --- Home page: http://www.cobalt.chem.ucalgary.ca/ps/