Formation of methyl formate after cosmic ion irradiation of icy grain mantles

P. Modica; M. E. Palumbo

doi:10.1051/0004-6361/201014101

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Volume 519 (September 2010)

A&A, 519 (2010) A22

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Table 3:

Position, assignment and characterization of new bands observed after irradiation of CO:CH₃OH mixture at 16 K.
Band position		Species	Assignment	Characterization
cm^-1	$\mu$ m
660	15.15	CO₂	$\nu_2$	bend
1067	9.37	HCOCH₂OH	$\nu_7$	C-O str
1090	9.17	HCO	$\nu_2$	bend
1159	8.63	HCOOCH₃	$\nu{_9}$	CH₂ rock
1247	8.02	H₂CO	$\nu_2$	CH₂ rock
1304	7.66	CH₄	$\nu_4$	deform
1500	6.67	H₂CO	$\nu_3$	CH₂ scis
1726	5.79	H₂CO	$\nu_2$	C=O str
1843	5.43	HCO	$\nu_3$	C=O str
2280	4.39	¹³CO₂	$\nu_3$	C=O str
2325	4.30	OC¹⁸O	$\nu_3$	C=O str
2342	4.27	CO₂	$\nu_3$	C=O str
3010	3.32	CH₄	$\nu_3$	C-H str
3700	2.70	CO₂		combination

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