
Structural studies of cyclic ureas: 1. Enthalpies of formation of imidazolidin-2-one and N,N′-trimethyleneurea
Keywords: Enthalpy of combustion; Enthalpy of sublimation; Enthalpy of formation; Imidazolidin-2-one; N,N′-Trimethyleneurea; Combustion calorimetry; Calvet microcalorimetry; Knudsen effusion; d.s.c.; Vapour pressure; Entropy of sublimation; Gibbs energy of sublimat