The lines have been summarized by
(1) K.-I. Namiki, S. Saito, J. C. Robinson, and T. C. Steimle, 1988, J. Mol. Spectrosc. 191, 176.
Predictions substantially beyond 0.5 THz should be viewed with some caution.
The dipole moment was taken from
(2) B. Simard, C. Niki, and P. A. Hackett, 1990, J. Chem. Phys. 92, 7012.