- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| [ν1 + ν1] | combination vibration | 12C16O | CO | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4278.7 ± 0.5 | - | 5.4 ± 0.3 | asymmetric | 2.6 ± 0.2 | 3.0e-05 | w | 12.8 ± 0.5 | 5.3e-05 | vvw | 21.0 |
- Label
- [ν1 + ν1]
- Category
- combination vibration
- Method
- omparison with fundamental vibration
Evaluation
- Level
- fully assigned
- Evaluation
- validated
- Comments
- double phonon bands
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | no |
- Primary specie
- 12C16O
- Label (type)
- ν1 + ν1 (stretching) Bond: 12C⁻≡ 16O⁺
Vibration modes
- Temperature
- 21.0 ± 1.0 K
- Formation temperature
- 21.0 K
- Temperature max
- 21.0 K
Temperature
- Method #1
- spectrum measurement
- Overlap
- slightly blended
- Peak
- 4278.7 ± 0.5 cm-1 (peak)
- Evaluation
- validated
- Quality
- A
- Comments
- position sensitive to the formation conditions of alpha-CO
- FWHM
- 5.4 ± 0.3 cm-1 (fwhm)
- Shape
- asymmetric
- Evaluation
- validated
- Quality
- B
- Comments
- width slightly assymmetric
- Method
- peak intensity
- Absorption coefficient
- 2.6 ± 0.2 cm-1
- Relative intensity
- 3.0e-05 ± 3.0e-06
- Strength
- weak (w)
- Evaluation
- undefined
- Quality
- C
- Method
- band integrated intensity
- Absorption coefficient
- 12.8 ± 0.5 cm-2
- Relative intensity
- 5.3e-05 ± 2e-06
- Strength
- very very weak (vvw)
- Evaluation
- validated
- Quality
- B
- Publications
- Data publication experiment