Substituted Ethanes. IV. The Rotational Isomers of 1,1,2,2-Tetrachloroethane: Assignments to the Normal Vibrations

The wave numbers of the normal vibrations of trans 1,1,2,2-tetrachloroethane and some of the fundamentals of the deuterated molecule were calculated by the Wilson FG matrix method. The infrared spectrum of 1,1,2,2-tetrachloroethane has been obtained from 530 to 4000 K (K=kayser=cm−1). Complete assignments of all the observed Raman and infrared bands have been made and some unobserved fundamentals have been computed.