- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| A 1Π ← X 1Σ⁺ (11,0) | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 78740 ± 250 | 78740 ± 60 | 790 ± 5 | gaussian | 0.025 | s | 0.015 | m | 8.0 |
- Label
- A 1Π ← X 1Σ⁺ (11,0)
- Category
- electronic transition
- Method
- comparison with gas phase
Evaluation
- Level
- fully assigned
- Evaluation
- validated
- Comments
- Fourth positive band system (Cameron system), (ν',ν”) = (11,0)
- 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 1Π ← X 1Σ⁺ (intervalence charge transfer)
- Label (type)
- 11ν1 (stretching) Bond: 12C⁻≡ 16O⁺
- Comments
- (ν',ν”) = (11,0)
Electronic modes
Vibration modes
- Temperature
- 8.0 ± 1.0 K
- Formation temperature
- 8.0 K
Temperature
- Method #1
- spectrum fit: deconvolution of the whole spectrum with 15 gaussians
- Fit function
- Gaussian: center = 127.0 nm, width = 1.27 nm, area = 0.05 10-17 cm2.nm
- Overlap
- extracted
- Peak
- 78740 ± 250 cm-1 (peak)
- Center
- 78740 ± 60 cm-1 (fit center)
- Evaluation
- validated
- Quality
- E
- FWHM
- 790 ± 5 cm-1 (fit fwhm)
- Shape
- gaussian
- Evaluation
- validated
- Quality
- E
- Method
- fit intensity
- Relative intensity
- 0.025 ± 0.005
- Strength
- strong (s)
- Evaluation
- validated
- Quality
- D
- Comments
- intensity relative to the strongest VUV band at 67200 cm-1 (148.8 nm)
- Method
- fit integrated intensity
- Relative intensity
- 0.015 ± 0.003
- Strength
- medium (m)
- Evaluation
- validated
- Quality
- D
- Comments
- intensity relative to the strongest VUV band at 67200 cm-1 (148.8 nm)