K. Dwarakanath, D. Sathyanarayana
Jul 1, 1979
Citations
0
Influential Citations
24
Citations
Journal
Bulletin of the Chemical Society of Japan
Abstract
The infrared spectra of N-methylthiourea (NMTU) and its N-deuterated and S-methylated species were measured. Assignment of the infrared and Raman spectra of NMTU has been accomplished by correlation with thiourea and by use of infrared band shifts on N-deuteration as well as S-methylation. Normal coordinate analysis was performed for all the fundamentals of NMTU and NMTU-d3, the assignments obtained from the force field calculations being discussed in relation to those in other related thioureas and thioamides. The potential barriers to the internal rotations for the –NH2, –CH3, and –CN groups were estimated from the force constants.