Photolysis of acetonitrile in a water-rich ice as a source of complex organic molecules: CH3CN and H2O:CH3CN ices

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Table 1

Summary of the performed CH₃CN and H₂O:CH₃CN UV photolysis experiments.

Composition	Thickness	Temperature	UV irradiation
	(ML)	(K)	(min)
CH₃CN	40	20	0–128
CH₃CN	40	20–285	0–128
CD₃CN	40	20	0–128
H₂O:CH₃CN
(~1:1)	100	20	0–128
H₂O:CH₃CN
(~20:1)	100	20	0–128
H₂ ¹⁸O:CH₃CN
(~20:1)	100	20	0–128
blank	0	20, 160–300	60

Notes. The UV irradiation time is given in minutes, with a photon flux of (1.5 ± 0.5) × 10¹⁶ photons cm⁻² min⁻¹. All experiments were run more than once.

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