A study of internal rotation in 2-furaldehyde through 13C relaxation times in the rotating frame

Abstract

Carbon-13 relaxation times in the rotating frame were used to study the exchange between unequally populated rotamers of 2-furaldehyde. Calculated free activation energy and activation enthalpy are in good agreement with the results of ¹H line shape analysis. Accuracy and reliability of this method in comparison with the line shape analysis is discussed.