The Molecular Constants of 12CH3I in the Ground and v6 = 1 Excited Vibrational State.
A set of 26 new measurements have been recorded by a Doppler-free double-resonance technique, with a relative accuracy of about 10(-8). These data are combined to previous FTIR measurements to refine the molecular constants of 12CH3I. All the available literature data have been revisited, a few assignments updated, and some frequencies changed according to new laser standards. A simultaneous fit to all the measurements of infrared, microwave, and radiofrequency transitions produced an improved set of parameters, independent of previously determined constants. Copyright 1998 Academic Press.
Carocci
S
Dipartimento di Fisica dell'Universit&agrave and Instituto Nazionale di Fisica della Matezia, Piazza Torricelli 2, Pisa, I-56126, Italy
Di Lieto A
De Fanis A
Minguzzi
P
Alanko
S
Pietilä
J