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Table D.1

Peak position and FWHM of the methyl formate CH3 rocking mode (1165.3 cm−1/8.582 μm) in various matrices.

Mixture Temperature λpeak FWHM


(K) (cm−1) (μm) (cm−1) (μm)
HCOOCH3 15 1165.3 8.5817 27.17 0.2009
HCOOCH3 : CO 1162.1 8.6048 10.53 0.0777
HCOOCH3 : H2CO 1167.9 8.5622 22.75 0.1654 (*)
HCOOCH3 : CH3OH 1167.0 8.5693 23.01 0.1701
HCOOCH3 : H2O 1173.0 8.5253 13.11 0.0953
HCOOCH3 : Apolar 1170.1 8.5463 17.72 0.1293

HCOOCH3 30 1165.3 8.5817 26.94 0.1992
HCOOCH3 : CO 1161.6 8.6084 12.01 0.0887
HCOOCH3 : H2CO 1167.7 8.5634 22.73 0.1653 (*)
HCOOCH3 : CH3OH 1165.8 8.5782 21.59 0.1596
HCOOCH3 : H2O 1173.0 8.5253 12.75 0.0927
HCOOCH3 : Apolar 1169.1 8.5534 18.23 0.1331

HCOOCH3 50 1165.3 8.5817 26.31 0.1945
HCOOCH3 : CO 1167.4 8.5658 23.14 0.1704
HCOOCH3 : H2CO 1167.4 8.5658 22.50 0.1637 (*)
HCOOCH3 : CH3OH 1166.0 8.5763 19.69 0.1455
HCOOCH3 : H2O 1172.5 8.5288 12.38 0.0901
HCOOCH3 : Apolar 1167.9 8.5622 18.70 0.1366

HCOOCH3 80 1164.8 8.5853 25.35 0.1875
HCOOCH3 : CO 1167.4 8.5658 23.16 0.1706
HCOOCH3 : H2CO 1167.0 8.5693 21.70 (*) 0.1580 (*)
HCOOCH3 : CH3OH 1166.0 8.5764 17.49 0.1293
HCOOCH3 : H2O 1172.3 8.5305 13.23 0.0964
HCOOCH3 : Apolar 1166.5 8.5728 18.94 0.1385

HCOOCH3 100 1165.8 8.5782 2.854 0.0210
1177.1 8.4956
HCOOCH3 : CO 1163.8 8.5924 24.00 0.1776
HCOOCH3 : H2CO 1176.8 8.4973 2.113 0.0153
HCOOCH3 : CH3OH 1165.5 8.5799 16.70 0.1235
HCOOCH3 : H2O 1171.8 8.5340 14.51 0.1060
HCOOCH3 : Apolar 1165.5 8.5799 16.09 0.1186

HCOOCH3 120 1165.8 8.5782 2.742 0.0202
1176.8 8.4973
HCOOCH3 : CO 1171.1 8.5393 4.508 0.0328
1165.8 8.5782
HCOOCH3 : H2CO 1174.2 8.5165 3.921 0.0285
1166.0 8.5764
HCOOCH3 : CH3OH 1165.5 8.5799 (**) (**)
HCOOCH3 : H2O 1166.2 8.5746 14.03 0.1027
HCOOCH3 : Apolar 1176.8 8.4973 1.258 0.0091
1164.5 8.5870

Notes. (*) FWHM result of two or more blended peaks. (**)Due to severe blending with the matrix constituent, there is no FWHM determination.

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