- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| A 1Π ← X 1Σ⁺ (12,0) | intervalence charge transfer | 12C16O | CO | 12C⁻≡ 16O⁺ | site degeneracy | double site |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 79990 ± 200 | - | 0.015 | m | 0.005 | m | 20.0 |
- Label
- A 1Π ← X 1Σ⁺ (12,0)
- Category
- electronic transition
- Method
- comparison with gas phase
Evaluation
- Level
- fully assigned
- Evaluation
- validated
- Comments
- electronic transition
- Contribution comments
- crystal field splitting (Davidov splitting) not seen on this very weak band
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | site degeneracy | double site |
- Primary specie
- 12C16O
- Comments
- probably degenerated/strongly blended contributions from site A and E
- Label (type)
- A 1Π ← X 1Σ⁺ (intervalence charge transfer)
- Label (type)
- 12ν1 (stretching) Bond: 12C⁻≡ 16O⁺
- Comments
- (ν',ν”) = (12,0)
Electronic modes
Vibration modes
- Temperature
- 20.0 ± 2.0 K
- Formation temperature
- 20.0 K
Temperature
- Method #1
- spectrum measurement
- Overlap
- moderately blended
- Center
- 79990 ± 200 cm-1 (half-max center)
- Evaluation
- with caution
- Quality
- E
- Method
- extrapolated
- Relative intensity
- 0.015 ± 0.01
- Strength
- medium (m)
- Evaluation
- with caution
- Quality
- E
- Comments
- rough estimate of intensity
- Method
- extrapolated
- Relative intensity
- 0.005 ± 0.003
- Strength
- medium (m)
- Evaluation
- with caution
- Quality
- E