Frequency in Ar (cm-1) Relative Intensity Absolute Intensity, A (cm/molecule) 619.8 0.06 1.8e-18 740.8 1 3.0e-17 947.0 0.01 3.0e-19 993.1 0.01 3.0e-19 1054.2 0.02 6.0e-19 1246.0,1255.9 0.06 1.8e-18 1437.7 0.24 7.2e-18 1501.1 0.1 3.0e-18 1607.8 0.03 9.0e-19 1943.5 0.02 6.0e-19 3038.8 3049.4 3074.7 3090.9* 3098.0* 3116.9 ·3147-3023 0.53 1.6e-17 * indicates major band