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Table B.2

Peak position and FWHM of the acetaldehyde CH3 s-deformation + CH waging mode at 7.427 μm.

Mixture Temperature λpeak,−baseline λpeak,−matrix FWHM



(K) (cm−1) (μm) (cm−1) (μm) (cm−1) (μm)
CH3CHO 15 1346.6 7.4264 13.5 0.0744*
CH3CHO:H2O 1349.9 7.4078 1349.9 7.4078 9.2 0.0502
CH3CHO:CO 1349.4 7.4104 4.8 0.0262
CH3CHO:CH3OH 1347.5 7.4211 13.0 0.0714
CH3CHO:CO:CH3OH 1349.4 7.4105 12.6 0.0691
CH3CHO 30 1346.1 7.4290 13.7 0.0754
CH3CHO:H2O 1349.9 7.4078 1349.9 7.4078 8.8 0.0481
CH3CHO:CO 1349.9 7.4078 6.1 0.0337*
CH3CHO:CH3OH 1347.5 7.4211 12.5 0.0686
CH3CHO:CO:CH3OH 1349.0 7.4131 12.2 0.0671
CH3CHO 70 1346.1 7.4290 13.2 0.0729
CH3CHO:H2O 1349.4 7.4105 1349.4 7.4105 7.7 0.0420
CH3CHO:CO
CH3CHO:CH3OH 1348.0 7.4184 10.9 0.0600
CH3CHO:CO:CH3OH 1348.5 7.4158 10.8 0.0592
CH3CHO 90 1348.0 7.4184 7.3 0.0400*
1351.9 7.3972
CH3CHO:H2O 1349.4 7.4105 1349.4 7.4105 7.4 0.0405
CH3CHO:CO
CH3CHO:CH3OH 1348.0 7.4184 10.2 0.0563
CH3CHO:CO:CH3OH 1348.5 7.4158 10.6 0.0584
CH3CHO 110 1348.0 7.4184 5.4 0.0298
1351.9 7.3972
CH3CHO:H2O 1349.4 7.4105 1349.4 7.4105 7.2 0.0393
CH3CHO:CO
CH3CHO:CH3OH 1348.0 7.4184 9.5 0.0524
CH3CHO:CO:CH3OH 1347.0 7.4237 –**
1352.8 7.3920 –**
CH3CHO 120 1348.0 7.4184 5.3 0.0291
1352.3 7.3946
CH3CHO:H2O 1349.4 7.4105 1349.4 7.4105 7.0 0.0383
CH3CHO:CO
CH3CHO:CH3OH 1348.0 7.4184 –**
CH3 CHO:CO:CH3OH 1347.0 7.4237 –**
1352.8 7.3920 –**
CH3 CHO 140
CH3 CHO:H2O 1349.0 7.4131 1349.0 7.4131 5.7 0.0315
CH3 CHO:CO
CH3 CHO:CH3OH 1347.5 7.4211 –**
CH3 CHO:CO:CH3OH
CH3 CHO 160
CH3 CHO:H2O 1349.0 7.4131 1349.0 7.4131 5.5 0.0302
CH3 CHO:CO
CH3 CHO:CH3OH
CH3 CHO:CO:CH3OH

Notes. (*) FWHM result of two or more blended peaks.

(**)

FWHM uncertain/not determined owing to uncertain matrix subtraction.

(***)

Transition likely saturated.

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