4. For the 12C32$ molecule, the following millimeter wave pure rotational transitions have been observed (in MHz):
Transition
v = 0
U = 1
v = 2
J = 1-0 48 990.978 48 635.977 48 280.887 J = 2-1 97 980.950 97 270.980 96 560.800 J = 3 2 146 969.033 145 904.167 144 838.826 J = 4-3 195 954.226 194 534.321 193 113.957
(a) For each vibrational level, derive a set of rotational constants by fitting the data. (6) From the results of (a), derive an expression (by fitting) for the vibrational dependence of B. (c) From Bo, calculate ro; from Be, calculate Te-