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The data have been published by
(1) L. Dore, L. Bizzocchi, C. Degle Esposti, and F. Tinti,
2009, Astron. Astrophys. 496, 275.
In order to extrapolate more reliably to higher values of J,
a value for the sextic distortion parameter H was derived
from DCN, see e028509.cat for references. The predictions
are assumed to be reliable to at least 2 THz.
The hyperfine splitting due to the 14N nucleus
was derived from N2D+, see e030509.cat.
The splitting is probably accurate to better than 5 kHz.
A separate
hyperfine calculation is provided for J" ≤ 4.
Note: The partition function
takes into account the14N splitting !
The dipole moment was assumed to be the same as that of the
main isotopomer, see e029506.cat.
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