Table 1. Open in new tab Simplified...

Table 1.

Simplified summary of four studies of α-crystalline CO’s IR intensities.

	Jiang (1972) ^a	Bouilloud et al. (2015) ^b	Diaz et al. (2022) ^c	This work (2023) ^d
Number of ices	2	4	3	31
Deposition T/K	30	25	20	10, 20, 25
Deposition rate/μm h⁻¹	∼60	∼4	∼2	∼2
Ice thickness/μm	∼0.4	< 0.74	0.24	∼0.1–0.5
Measurement of interference fringes	Transmission	Reflection	Reflection	Transmission
Fringes’ λ/nm	10 000	632.8	632.8	670
IR resolution/cm⁻¹	1	1	2	0.125–2
Refractive index, n	1.36	1.25	1.30	1.292
Density, ρ/g cm⁻³	1.0288	0.80	0.876	1.029
Density agrees with diffraction literature	Yes	No	No	Yes
Beer's Law plot shown	Yes	No	No	Yes
Integration range(s) given	No	No	No	Yes
Limiting resolution given	No	No	No	Yes
Allowance made for 2-side deposition	Unknown	Unknown	Unknown	Yes
Allowance made for C & O abundances	Unknown	Unknown	Unknown	Yes

	Jiang (1972) ^a	Bouilloud et al. (2015) ^b	Diaz et al. (2022) ^c	This work (2023) ^d
Number of ices	2	4	3	31
Deposition T/K	30	25	20	10, 20, 25
Deposition rate/μm h⁻¹	∼60	∼4	∼2	∼2
Ice thickness/μm	∼0.4	< 0.74	0.24	∼0.1–0.5
Measurement of interference fringes	Transmission	Reflection	Reflection	Transmission
Fringes’ λ/nm	10 000	632.8	632.8	670
IR resolution/cm⁻¹	1	1	2	0.125–2
Refractive index, n	1.36	1.25	1.30	1.292
Density, ρ/g cm⁻³	1.0288	0.80	0.876	1.029
Density agrees with diffraction literature	Yes	No	No	Yes
Beer's Law plot shown	Yes	No	No	Yes
Integration range(s) given	No	No	No	Yes
Limiting resolution given	No	No	No	Yes
Allowance made for 2-side deposition	Unknown	Unknown	Unknown	Yes
Allowance made for C & O abundances	Unknown	Unknown	Unknown	Yes

Jiang (1972) lists three ices at 30 K, but only two are in Jiang et al. (1975).

See particularly the authors' fig. 6 and the accompanying caption and text.

See especially the authors' fig. 9 and the accompanying caption and text.

See the text of this work for details.