- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| 2ν8 | stretching | 12CH316OH | CH3OH | ≥ 12C-16O- | no |
| Peak position (cm-1) |
Center position (cm-1) |
Width (cm-1) |
Shape | Asymmetry factor | Peak intensity (cm-1) |
Peak intensity relative | Peak strength | Integrated intensity (cm-2) |
Integrated intensity relative | Integrated strength | Temperature (K) |
Pressure (bar) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2031.8 ± 0.3 | - | 5.3 ± 0.2 | symmetric | 0.0325 ± 5.0e-04 | 0.038 | s | 0.172 ± 0.009 | 0.0035 | m | 35.0 | ||
| 2035.5 ± 0.3 | - | 6.7 ± 0.2 | symmetric | 0.0245 ± 5.0e-04 | 0.0315 | s | 0.164 ± 0.008 | 0.0034 | m | 120.0 |
- Label
- 2ν8
- Category
- overtone vibration
Evaluation
- Level
- fully assigned
- Evaluation
- validated
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | no |
- Primary specie
- 12CH316OH
- Label (type)
- 2ν8 (stretching) Bond: ≥ 12C-16O-
Vibration modes
- Temperature
- 35.0 ± 5.0 K
- Temperature max
- 145.0 K
Temperature
- Method #1
- spectrum measurement: direct measurement on the absorbance spectrum, manual linear baseline for peak intensity and FWHM
- Overlap
- isolated
- Peak
- 2031.8 ± 0.3 cm-1 (peak)
- Evaluation
- validated
- Quality
- A
- FWHM
- 5.3 ± 0.2 cm-1 (fwhm)
- Shape
- symmetric
- Evaluation
- undefined
- Quality
- A
- Method
- peak intensity
- Absorption coefficient
- 0.0325 ± 5.0e-04 cm-1
- Relative intensity
- 0.038 ± 5.0e-04
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- A
- Method
- width x peak intensity
- Absorption coefficient
- 0.172 ± 0.009 cm-2
- Relative intensity
- 0.0035 ± 0.0002
- Strength
- medium (m)
- Evaluation
- undefined
- Quality
- C
- Temperature
- 120.0 ± 10.0 K
- Temperature max
- 120.0 K
Temperature
- Method #1
- spectrum measurement: direct measurement on the absorbance spectrum, manual linear baseline for peak intensity and FWHM
- Overlap
- isolated
- Peak
- 2035.5 ± 0.3 cm-1 (peak)
- Evaluation
- validated
- Quality
- A
- FWHM
- 6.7 ± 0.2 cm-1 (fwhm)
- Shape
- symmetric
- Evaluation
- validated
- Quality
- A
- Method
- peak intensity
- Absorption coefficient
- 0.0245 ± 5.0e-04 cm-1
- Relative intensity
- 0.0315 ± 5.0e-04
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- B
- Method
- width x peak intensity
- Absorption coefficient
- 0.164 ± 0.008 cm-2
- Relative intensity
- 0.0034 ± 0.00015
- Strength
- medium (m)
- Evaluation
- undefined
- Quality
- B
- Publications
- SSHADE spectra
-
- Merlin, Frederic; Quirico, Eric (2008): Mid-IR absorbance spectrum of crystalline CH3OH ice at 35 K. Version 1. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data.
- Merlin, Frederic; Quirico, Eric (2008): Mid-IR absorbance spectrum of crystalline CH3OH ice at 120 K. Version 1. SSHADE/GhoSST (OSUG Data Center). Dataset/Spectral Data.