1. $&QlLh!4 rn Trot K 0.053 Tvib K 308 Tdis K 17894 MW gm/gm-mol 253.8 we cm-l 214.57 wexe cm-l 0.61 wcye cm-l -0.000895 WCZE cm-I -0.oooO187 Do eV 1.54 The ppular assumption of a Morse typc anharmonic oscillator (Refercnce 24) and a Dunham expansion (Rcfcrence 25)resulln an cxpression for vibrational energy as a function of vibrational level of the followingform: