- Title
- 2650.0 cm-1: ν10+ν11 of 12CH316OH and ν5+ν11 of 12CH316OH and ν4+ν11 of 12CH316OH in CH3OH - phase alpha
- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| ν10+ν11 | combination vibration | 12CH316OH | CH3OH |
≥ 12C-1H -12C ≤ H3 |
accidental degeneracy | accidental triple | unknown | ||
| ν5+ν11 | combination vibration | 12CH316OH | CH3OH |
≥ 12C-1H -12C ≤ H3 |
accidental degeneracy | accidental triple | unknown | ||
| ν4+ν11 | combination vibration | 12CH316OH | CH3OH |
≥ 12C-1H -12C ≤ H3 |
accidental degeneracy | accidental triple | unknown |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2650 ± 4 | - | - | symmetric | 0.008 ± 0.002 | 0.0095 | m | 35.0 | |||||
| 2650 ± 4 | - | - | symmetric | 0.008 ± 0.002 | 0.01 | m | 120.0 |
- Label
- ν10+ν11
- Category
- combination vibration
Evaluation
- Level
- partly assigned
- Evaluation
- undefined
- Comments
- uncertain: nu10+nu11=2689cm-1
- Contribution level
- unknown
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | accidental degeneracy | accidental triple |
- Primary specie
- 12CH316OH
- Label
- ν5+ν11
- Category
- combination vibration
Evaluation
- Level
- partly assigned
- Evaluation
- undefined
- Comments
- uncertain: nu5+nu11=2701cm-1
- Contribution level
- unknown
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | accidental degeneracy | accidental triple |
- Primary specie
- 12CH316OH
- Label
- ν4+ν11
- Category
- combination vibration
Evaluation
- Level
- partly assigned
- Evaluation
- undefined
- Comments
- uncertain: nu4+nu11=2712cm-1
- Contribution level
- unknown
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | accidental degeneracy | accidental triple |
- Primary specie
- 12CH316OH
- 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
- 2650 ± 4 cm-1 (peak)
- Evaluation
- validated
- Quality
- C
- Shape
- symmetric
- Evaluation
- validated
- Quality
- undefined
- Method
- peak intensity
- Absorption coefficient
- 0.008 ± 0.002 cm-1
- Relative intensity
- 0.0095 ± 0.0025
- Strength
- medium (m)
- Evaluation
- undefined
- Quality
- E
- 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
- 2650 ± 4 cm-1 (peak)
- Evaluation
- validated
- Quality
- C
- Shape
- symmetric
- Evaluation
- validated
- Quality
- undefined
- Method
- peak intensity
- Absorption coefficient
- 0.008 ± 0.002 cm-1
- Relative intensity
- 0.01 ± 0.0025
- Strength
- medium (m)
- Evaluation
- undefined
- Quality
- E
- Publication
- 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.