Band list reference

Schmitt, Bernard and The SSHADE Band List Committee (2021): Absorption band list of CH4 in natural solid CH4 (phase I). Version 1. SSHADE (OSUG Data Center). Dataset/Band list Data. https://doi.org/10.26302/SSHADE/BANDLIST_ABS_CH4_CH4-I

Publication(s)

• Savoie and Fournier, 1970, Chem. Phys. Lett., 7, 1 - 3
• Trotta, 1996, 1 - 220
• Khanna and Ngoh, 1990, Spectrochim. Acta, Part A, 46, 1057 - 1063
• Grundy et al., 2002, Icarus, 155, 486 - 496

Type

absorption

Description

FIR-MIR-NIR-Vis absorption band list of the isotopes of CH4 in natural solid CH4 (phase I) at 30 and 90 K

Number of bands

71

Comments

The ν₁ and ν₂ modes are inactive in the IR. The ν₃ mode is affected by free rotation of CH₄ in phase I.

Other bandlists of this constituent

• Raman band list of CH4 in solid CH4 (phase I)

Parent spectra

• Vis-NIR absorption coefficient spectrum of CH4 phase-I crystal at 30 K
• Vis-NIR absorption coefficient spectrum of CH4 phase-I crystal at 90 K
• MIR optical constants spectrum of crystalline CH4-I at 38-40K

Spectral range type(s)

NIR, MIR, FIR

Spectral range(s)

100 - 13900 cm^-1

Reference position infrared

1300 cm^-1

Versions

Release date

2021-10-01 12:55:13 UTC+0000

Version (Date)

#1 (2021-10-01 12:55:13 UTC+0000, Updated: 2021-10-01 12:55:13 UTC+0000)

Newer/Last version(s)

• #2 (2022-02-23 15:28:48 UTC+0000, Updated: 2024-12-23 15:06:37 UTC+0000)

History

Date	Mode	Version	Status	Comments
2021-10-01 08:14:49 UTC+0000	first import	#1

Analysis

currently limited to the data and compilation in Quirico et al. (1997a) and Grundy et al. (2002) papers

Quality flag

4

Validation date

2021-08-11

Validators

• Bernard Schmitt