- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| ν2 | A' | stretching asym. | 12CH316OH | CH3OH | ≥ 12C-1H | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2985.5 ± 0.3 | - | 11 ± 1 | undefined | 0.133 ± 0.005 | 0.155 | s | 1.48 ± 0.19 | 0.03 | s | 35.0 | ||
| 2984.5 ± 0.3 | - | 13.3 ± 1 | symmetric | 0.107 ± 0.005 | 0.135 | s | 1.42 ± 0.17 | 0.029 | s | 120.0 |
- 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
- moderately blended
- Peak
- 2985.5 ± 0.3 cm-1 (peak)
- Evaluation
- validated
- Quality
- A
- FWHM
- 11 ± 1 cm-1 (hwhm)
- Shape
- undefined
- Evaluation
- validated
- Quality
- C
- Method
- peak intensity
- Absorption coefficient
- 0.133 ± 0.005 cm-1
- Relative intensity
- 0.155 ± 0.005
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- B
- Method
- width x peak intensity
- Absorption coefficient
- 1.48 ± 0.19 cm-2
- Relative intensity
- 0.03 ± 0.004
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- D
- 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
- 2984.5 ± 0.3 cm-1 (peak)
- Evaluation
- validated
- Quality
- A
- FWHM
- 13.3 ± 1 cm-1 (hwhm)
- Shape
- symmetric
- Evaluation
- validated
- Quality
- C
- Method
- peak intensity
- Absorption coefficient
- 0.107 ± 0.005 cm-1
- Relative intensity
- 0.135 ± 0.005
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- B
- Method
- width x peak intensity
- Absorption coefficient
- 1.42 ± 0.17 cm-2
- Relative intensity
- 0.029 ± 0.0035
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- D
- 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.