The lines have been reported in
(1) S. Thorwirth, L. A. Mück, J. Gauss, F. Tamassia, V. Lattanzi, and M. C. McCarthy, 2011, J. Phys. Chem. Lett. 2, 1228.
The reduced uncertainties of 1 kHz seem to be still conservative. Predictions may be reliable up to about 200 HHz.
The ab initio dipole moment was reported in (1).