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The fit combines pure rotational as well as rovibrational
data of three isotopic species.
The OH– rotational data were taken
from
(1) F. Matsushima, T. Yonezu, T. Okabe, K. Tomaru, and Y. Moriwaki,
2006, J. Mol. Spectrosc., 235, 261;
and
(2) D. J. Liu, W. C. Ho, and T. Oka,
1987, J. Chem. Phys., 87, 2442.
The OD– rotational data were published
by
(3) G. Cazzoli and C. Puzzarini,
2005, J. Chem. Phys., 123, Art.-No. 041101;
and
(4) G. Cazzoli and C. Puzzarini,
2006, Astrophys. J., 648, L79.
With respect to the first entry from Dec. 2006, a new
J = 1 – 0 transition frequency
as well as rovibrational data of OH–
were taken from
(5) P. Jusko, O. Asvany, A.-C. Wallerstein, S. Brünken,
and S. Schlemmer,
2014, Phys. Rev. Lett., 112, Art. No. 253005.
Rovibrational transitions for OH– and
18OH– were taken from
(6) N. H. Rosenbaum, J. C. Owrutski, L. M. Tack, and R. J. Saykally,
1986, J. Chem. Phys., 84, 5308;
those of OD– from
(7) B. D. Rehfuss, M. W. Crofton, and T. Oka,
1986, J. Chem. Phys., 85, 1785.
Predictions with J > 10 should be viewed with some caution;
lower-J predictions may be fairly reliable if and only if
ion drift effects had negligible effects on the infrared data.
The ab initio dipole moment was taken from
(8) H.-J. Werner, P. J. Rosmus, and E.-A. Reinsch,
1983, J. Chem. Phys., 79, 905.
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