The measured transition frequencies were taken from the compilation of
(1) F. J. Lovas 1985, J. Phys. Chem. Ref. Data 14, 395; from
(2) P. A. Helminger and F. C. De Lucia 1985, J. Mol. Spectrosc. 111, 66; from
(3) E. A. Alekseev, S. F. Dyubko, V. V. Ilyushin, and S. V. Podnos 1996, J. Mol. Spectrosc. 176, 316;
and from
(4) S. P. Belov, M. Y. Tretyakov, I. N. Kozin, E. Klisch, G. Winnewisser, W. J. Lafferty, and J.-M. Flaud 1998, J. Mol. Spectrosc. 191, 17.
Some higher distortion constants have been fixed to values of the ³²SO₂ isotopomer.
The dipole moment is assumed to be the same as for the ³²S isotope.