- Type
- absorption
- Assignments summary
- Characteristics summary
Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
---|---|---|---|---|---|---|---|---|---|
ν7 | A' | bending asym. in-p (rocking) | 12CH316OH | CH3OH | -12C ≤ H3 | 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) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1145 ± 0.3 | - | 3.4 ± 0.2 | symmetric | 0.175 ± 0.005 | 0.205 | vs | 0.6 ± 0.05 | 0.012 | s | 35.0 | ||
1142.7 ± 0.3 | - | 5 ± 0.2 | symmetric | 0.1 ± 0.005 | 0.128 | s | 0.5 ± 0.05 | 0.01 | 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
- isolated
- Peak
- 1145 ± 0.3 cm-1 (peak)
- Evaluation
- validated
- Quality
- A
- FWHM
- 3.4 ± 0.2 cm-1 (fwhm)
- Shape
- symmetric
- Evaluation
- validated
- Quality
- A
- Method
- peak intensity
- Absorption coefficient
- 0.175 ± 0.005 cm-1
- Relative intensity
- 0.205 ± 0.005
- Strength
- very strong (vs)
- Evaluation
- undefined
- Quality
- B
- Method
- width x peak intensity
- Absorption coefficient
- 0.6 ± 0.05 cm-2
- Relative intensity
- 0.012 ± 0.001
- Strength
- strong (s)
- 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
- 1142.7 ± 0.3 cm-1 (peak)
- Evaluation
- validated
- Quality
- A
- FWHM
- 5 ± 0.2 cm-1 (fwhm)
- Shape
- symmetric
- Evaluation
- validated
- Quality
- A
- Method
- peak intensity
- Absorption coefficient
- 0.1 ± 0.005 cm-1
- Relative intensity
- 0.128 ± 0.005
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- C
- Method
- width x peak intensity
- Absorption coefficient
- 0.5 ± 0.05 cm-2
- Relative intensity
- 0.01 ± 0.001
- 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.