Table 6: The largest absorption cross sections (in 10−20 cm2 units) of CH3OH and HCCOH at low pressure and = 296 K. The Doppler shape of spectral lines is assumed.

M Laser Line , cm−1 (M)a

CH3OH 26 10P(34) 1033.48800 126
36 10P(16) 1004.27987 67.2
28 10P(22) 1067.35888 93.0
38 10R(8) 1032.91023 200*
38 10R(40) 1050.77747 193*
38 10P(36) 998.62350 113
46 9R(46) 1010.98950 44.7*
46 9R(28) 1002.08279 19.4
48 9R(40) 1006.00000 146*
48 9R(24) 998.01156 107
268 10P(27) 1050.83825 368

HCOOH 26 10R(18) 1077.30252 186
26 10R(28) 1083.47878 189
26 10R(40) 1090.02837 976*
36 10R(28) 1037.16713 9.59
28 10P(8) 1078.04242 327
28 10R(34) 1104.91182 285
38 10R(44) 1052.63615 19.3
46 9R(26) 1000.94716 2.64
48 9R(30) 1001.17880 2.74
268 10R(19) 1086.22023 118

aAsterisk marks the cases where the (M) is large, but the CO2-laser line is marginal.