Calculate the temperature at which qvib = 2.5 for nitric oxide. The vibrational wavenumber is = 1876 cm -1 4.0 .6806 Supporting Materials The fundamental vibrational wavenumber for 12c160 is 2143 cm-1. For 1 mole of these molecules, calculate the number of CO molecules in the v = 0 and v= 1 levels at the given temperatures. (a) 298 K no = n = (b) no = n1 = 1080 K