= Hydrogen iodide: Constants of diatomic molecules by Klaus P. Huber and others
{c}
{tag=Work by Klaus P. Huber}
{tag=Work by Gerhard H. Herzberg}
By <Klaus P. Huber> and <Gerhard H. Herzberg>. NIST Chemistry WebBook compilation of diatomic constants.
https://webbook.nist.gov/cgi/cbook.cgi?ID=C10034852&Mask=1000
Cited row: ground $X\,{}^1\Sigma^+$ state of <hydrogen iodide>, $\omega_e=2309.014\ \mathrm{cm^{-1}}$ and $\omega_ex_e=39.6435\ \mathrm{cm^{-1}}$. Higher anharmonic coefficients are also tabulated, so the two-constant <Morse oscillator> extrapolation should not be confused with a measurement of the actual dissociation threshold.
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