The v(6)=2 States of the Four C(3v)-Symmetry Isotopomers of FClO(3).
High-resolution infrared spectra of the four isotopomers of FClO(3) of C(3v) symmetry have been analyzed in order to obtain data on overtones of the nu(6) vibrational mode. For v(6)=2, two different approaches have been used. The component with l(6)=0 has been studied by the analysis of the 2nu(6)(0) parallel band at 809 cm(-1) and 779 cm(-1) for the species with (16)O and (18)O respectively. But since the 2nu(6)(-/+2) perpendicular band is too weak to be observed, the component with l(6)=+/-2 was reached through the hot band 2nu(6)(+/-2)-nu(6)(+/-1). Thereafter, the energies of the v(6)=2, l(6)=0, +/-2 states were fitted to three slightly different models. The molecular parameters obtained are highly consistent, not only between the two components, but also with v(6)=1 and moreover from one isotopomer to the other. This work is supplemented by a short vibrational analysis of the parallel hot bands 3nu(6)-2nu(6), 4nu(6)-3nu(6), 5nu(6)-4nu(6), and 6nu(6)-5nu(6) which form a regular sequence. Copyright 2001 Academic Press.
Graner
G.
G
Laboratoire de Photophysique Moléculaire du CNRS2, UPR 3361, Université Paris-Sud, Bâtiment 350, Orsay Cedex, F-91405, France
Burczyk
K.
K