Frequency in Ar (cm-1) Relative Intensity Absolute Intensity, A (cm/molecule) 487.6 0.01 1.8e-19 499.2 0.01 1.8e-19 542.6 0.02 3.6e-19 711.8, 715.0 0.43 7.7e-18 743.9 0.17 3.1e-18 821.5 0.05 9.0e-19 842.8 1 1.8e-17 964.1 0.01 1.8e-19 1097.3 0.04 7.2e-19 1164.5 0.01 1.8e-19 1183.9 0.19 3.4e-18 1243.0 0.04 7.2e-19 1312.1 0.03 5.4e-19 1434.8 0.12 2.2e-18 1471.0 0.02 3.6e-19 1581.3 0.005 9.0e-20 1604.0 0.08 1.4e-18 1792.6 0.07 1.3e-18 1911.5 0.01 1.8e-19 1918.0 0.02 3.6e-19 1930.6 0.05 9.0e-19 2937.5 2987.3 3002.7 3007.7 3023.6 3044.6 3050.2* 3064.8 3083.9 3090.0 3091.8 3094.8 3108.4 3111.8 3118.5 3125.7 ·3128-3026 0.97 1.7e-17 * indicates major band