The hunt for formamide in interstellar ices - A toolkit of laboratory infrared spectra in astronomically relevant ice mixtures and comparisons to ISO, Spitzer, and JWST observations

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Table C.1

Peaks and their band strengths used to obtain calibration curves of the pure molecules.

Molecule	Calibration peak (cm⁻¹ \| µm)	Band strength used (10⁻¹⁷ cm molec⁻¹)
NH₂CHO	1701 \| 5.88	6.4 (this work)
	3280 \| 3.05	20. (Bouilloud et al. 2015)
H₂O^*	1660 \| 6.02	1.1 (Bouilloud et al. 2015)
	2343 \| 4.27	13. (Bouilloud et al. 2015)
CO₂^*	665 \| 15.3	1.8 (Bouilloud et al. 2015)
CO	2139 \| 4.67	0.87 (González Díaz et al. 2022)
	1027 \| 9.74	1.61 (Luna et al. 2018)
CH₃OH^*	1460 \| 6.85	1.1 (Luna et al. 2018)
NH₃	1071 \| 9.34	1.95 (Hudson et al. 2022)

^* If two calibration peaks are listed, then both peaks were utilized to create the calibration curve, with the peak with a lower band strength used to calculate the ice’s column density at the higher deposition rates to avoid saturation effects in the calibration curve.

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