The experimental data were taken from
(1) J. K. Tyler, 1964, J. Chem. Phys. 40, 1170;
from
(2) J. W. C. Johns, J. M. R. Stone, and G. Winnewisser, 1971, J. Mol. Spectrosc. 38, 437;
from
(3) P. Dréan, J. Demaison, L. Poteau, and J.-M. Denis, 1996, J. Mol. Spectrosc. 176, 139;
and from
(4) L. Bizzocchi, S. Thorwirth, H. S. P. Müller, F. Lewen, and G. Winnewisser, 2001, J. Mol. Spectrosc. 205, 110.
Transitions with uncertainties ≥ 100 kHz have not been merged.
Predictions above 1.5 THz should be viewed with caution.
The experimental dipole moment was reported in (1).