Assign the H₂ pure rotational transitions in Figure 8.8, using data from Table 9.2 to calculate the predicted frequencies. Assuming the spectra were taken at room temperature, account for the relative intensities of each transition.

Figure 5.8

Transcribed Image Text:

Table 9.2 Spectroscopic constants for diatomics in the ground electronic state Ver cm-¹x.ve, cm-¹ B, cm-¹ de, cm-1 1.6326 0.01683 1.9313 0.01896 12C₂ 12C160 1641.35 2170.21 ¹H₂ 1H35CI 12712 14N₂ 1602 160¹H 3735.21 11.67 13.46 4395.20 117.9 2989.74 52.05 214.57 2359.61 14.456 1580.36 12.073 82.81 0.6127 60.80 10.59 0.03735 1.998 1.4456 18.871 R₂, Å 1.3117 1.1281 2.993 0.7416 0.3019 1.2746 0.000117 2.6666 0.01731 1.094 0.01579 0.714 1.20739 0.9706 Do, ev 3.6 10.96 4.476 4.430 1.5417 7.373 5.080 4.35