- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| a 3Πr ← X 1Σ⁺ (5,0) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 56630 ± 35 | - | 400 ± 20 | 0.02 | 20.0 |
- Label
- a 3Πr ← X 1Σ⁺ (5,0)
- Category
- electronic transition
- Method
- comparison with gas phase
Evaluation
- Level
- fully assigned
- Evaluation
- validated
- Comments
- Cameron system, (ν',ν”) = (5,0)
- 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 3Πr ← X 1Σ⁺ (intervalence charge transfer)
- Label (type)
- 5ν1 (stretching) Bond: 12C⁻≡ 16O⁺
- Comments
- (ν',ν”) = (5,0)
Electronic modes
Vibration modes
- Temperature
- 20.0 ± 2.0 K
Temperature
- Method #1
- spectrum measurement
- Overlap
- moderately blended
- Peak
- 56630 ± 35 cm-1 (unknown)
- Evaluation
- validated
- Quality
- E
- FWHM
- 400 ± 20 cm-1 (fwhm)
- Evaluation
- validated
- Quality
- E
- Method
- peak intensity
- Relative intensity
- 0.02 ± 0.02
- Evaluation
- validated
- Quality
- E
- Comments
- intensity relative to the strongest band of the series at 48400 cm-1 (206.6 nm)
- Publication