Ab Initio Calculations of Conformational Effects on 13C NMR Spectra of Amorphous Polymers Breitscheidstr. 10 Die Behandlung eingetretener Spat­ schaden the 24th ER Conference Die Behandlung eingetretener Spat­ schaden durch korrigierende Eingriffe und Rehabilitation wurde daher zum Teil nur angedeutet ICCS 2002 in Amsterdam It is only quite recently that the advent of both comparatively cheap comput ing power and novel quantum chemistry approaches have provided feasible routes to calculate the chemical shift at the ab initio level for molecules of reasonable size The statistical model yields the relative occurrence of the various geometries