- Title
- 2488.0 cm-1: 2ν11 of 12CH316OH and ν4 + ν8 of 12CH316OH and ν5 + ν8 of 12CH316OH in natural CH3OH - amorphous
- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| 2ν11 | bending asym. in-p (rocking) | 12CH316OH | CH3OH | -12C ≤ H3 | accidental degeneracy | accidental triple | unknown | ||
| ν4 + ν8 | combination vibration | 12CH316OH | CH3OH |
≥ 12C-1H ≥ 12C-16O- |
accidental degeneracy | accidental triple | unknown | ||
| ν5 + ν8 | combination vibration | 12CH316OH | CH3OH |
≥ 12C-1H ≥ 12C-16O- |
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2488 ± 4 | - | - | undefined | w | 90.0 |
- Label
- 2ν11
- Category
- overtone vibration
Evaluation
- Level
- partly assigned
- Evaluation
- undefined
- Comments
- uncertain
- Contribution level
- unknown
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | accidental degeneracy | accidental triple |
- Primary specie
- 12CH316OH
- Label (type)
- $2\nu_{11$} (bending asym. in-p (rocking)) Bond: -12C ≤ H3
Vibration modes
- Label
- ν4 + ν8
- Category
- combination vibration
Evaluation
- Level
- partly assigned
- Evaluation
- undefined
- Comments
- uncertain
- Contribution level
- unknown
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | accidental degeneracy | accidental triple |
- Primary specie
- 12CH316OH
- Label (type)
- ν4 (bending asym.) Bond: ≥ 12C-1H
- ν8 (stretching) Bond: ≥ 12C-16O-
Vibration modes
- Label
- ν5 + ν8
- Category
- combination vibration
Evaluation
- Level
- partly assigned
- Evaluation
- undefined
- Comments
- uncertain
- Contribution level
- unknown
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | accidental degeneracy | accidental triple |
- Primary specie
- 12CH316OH
- Label (type)
- ν5 (bending sym.) Bond: ≥ 12C-1H
- ν8 (stretching) Bond: ≥ 12C-16O-
Vibration modes
- Temperature
- 90.0 ± 10.0 K
Temperature
- Method #1
- spectrum measurement
- Overlap
- strongly blended
- Peak
- 2488 ± 4 cm-1 (peak)
- Evaluation
- validated
- Quality
- C
- Shape
- undefined
- Evaluation
- undefined
- Method
- peak intensity
- Strength
- weak (w)
- Evaluation
- undefined