The lines have been reported by
(1) J. Min and L. M. Ziurys, 2016, J. Chem. Phys. 144, Art. No. 184308.
Predictions with uncertainties excceding 300 kHz should be viewed with caution.
The dipole moment was taken from an ab initio calculation by
(2) A. Kalemos, T. H. Dunning Jr., and A. Mavridis, 2005, J. Chem. Phys. 123, Art. No. 014302.