Question: Use data from Table 9-8 to compute the first excited vibrational and the first excited rotational states of (a) The Li 2 and (b) The
Use data from Table 9-8 to compute the first excited vibrational and the first excited rotational states of
(a) The Li2 and
(b) The K79Br molecules.

Table 9-8 Rotational and vibrational constants for selected diatomic molecules Molecule H Liz 0 LiH H5Cl Na 5C1 K35Cl K7Br Equilibrium separation r, (nm) 0.074 0.267 0.121 0.160 0.127 0.251 0.279 0.294 Frequency f (Hz) 1.32 104 1.05 103 4.74 103 4.22 x 103 8.97 1013 1.14 103 8.40 102 6.93 X 102 Eor (ev) 7.56 10-3 8.39 x 10-5 1.78 x 104 9.27 x 10-4 1.32 x 10-3 2.36 x 10-5 1.43 x 10-5 9.1 x 10-6
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