Reinvestigation of the Microwave Spectrum of Acetamide
R D. Suenram, G Y. Golubiatnikow, I Leonov, Jon T. Hougen, J Ortigoso, I Kleiner, Gerald T. Fraser
A total of 57 jet-cooled Fourier transform and 30 submillimeter measurements for acetamide have been recorded using a new version of our spectrometer which has been upgraded with a heated nozzle and an expanded automatic scanning range. The 115 transitions obtained by adding our new measurements to the literature data have been globally fit to a model involving 28 torsion, rotation, and torsion-rotation interaction parameters to near experimental uncertainty (I.e., to a weighted standard deviation of 1.5), significantly improving on previous fits. Various theoretical problems associated with K labels for E-species levels are briefly discussed and used to justify a variant of the signed Ka labels frequently used for internal-rotor E states.
, Golubiatnikow, G.
, Leonov, I.
, Hougen, J.
, Ortigoso, J.
, Kleiner, I.
and Fraser, G.
Reinvestigation of the Microwave Spectrum of Acetamide, Journal of Molecular Spectroscopy
(Accessed June 3, 2023)