21.67 For CO2 the fundamental vibrational wavenumbers are 1340, 667, and 2349 cm-?, and the rotational constant is Bo= 0

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21 67 For Co2 The Fundamental Vibrational Wavenumbers Are 1340 667 And 2349 Cm And The Rotational Constant Is Bo 0 1 (151.7 KiB) Viewed 13 times

21.67 For CO2 the fundamental vibrational wavenumbers are 1340, 667, and 2349 cm-?, and the rotational constant is Bo= 0.390 cm-! Calculates for CO2(g). Molesale sauber Custom Dini Then the The bendige The truth Each one of these normal modes of vibration for the CO2 molecule is associated with a characteristic frequency of vibration as well as a ladder of allowed energy levels. The energy levels of the three vibrational modes of CO2 are quantized and approximated by the energy expression for the quantum mechanical simple harmonic oscillator. The energy level diagram to the left depicts the three vibrational modes of co, and their first couple of energy levels. Notice that the characteristic frequency for the symmetric stretch mode is 1288cm- and for the bending mode it is 667cm! For the asymmetric stretch mode, the characteristic frequency is much higher at 2349cm !. Note that the bending mode is doubly degenerated.