Rotational term data for the green MgH bands.—The values of the rotational terms for the vibrational states ½, $\frac{3}{2}$, and $\frac{5}{2}$ in the green MgH bands are tabulated.

Analytical representation of the terms. The Kratzer, Kramers and Pauli formula is applied to the data with the following values giving the best fit: ${j^{\prime }}_{min}=\frac{1}{2}$, ${j^{\prime \prime }}_{min}=\frac{1}{2}$, ${\sigma }^{\prime }=\frac{1}{2}$, ${\sigma }^{\prime \prime }$ small (<½), ${\epsilon }^{\prime }$ and ${\epsilon }^{\prime \prime }$ small (≅0). The term $m=1\mathrm{}$ exists, thereby making it impossible to let $j=m-1\mathrm{}$. Other predicted electronic quantum numbers are shown to agree less well with the observed $\Delta F$ values.

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