- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| ν3+ν4 | combination vibration | C2H2 | C2H2 |
≥ C-H -C ≡ C-H |
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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3862 ± 2 | - | 20 | asymmetric | 0.0035 | m | 50.0 |
- Label
- ν3+ν4
- Category
- combination vibration
Evaluation
- Level
- partly assigned
- Evaluation
- uncertain
- Comments
- Bottger & Eggers 1964
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | unknown |
- Primary specie
- C2H2
- Texture
- film
- Temperature
- 50.0 ± 5.0 K
- Formation temperature
- 12.0 K
- Temperature max
- 50.0 K
Temperature
- Method #1
- spectrum measurement
- Overlap
- multiple
- Peak
- 3862 ± 2 cm-1 (peak)
- Evaluation
- validated
- Quality
- B
- Comments
- possibly double band 3859, 3864 cm-1
- FWHM
- 20 cm-1 (fwhm)
- Shape
- asymmetric
- Evaluation
- undefined
- Quality
- undefined
- Method
- baseline corrected peak intensity
- Relative intensity
- 0.0035 ± 2.0e-04
- Strength
- medium (m)
- Evaluation
- undefined
- Quality
- C
- Method
- width x peak intensity
- Evaluation
- validated
- Quality
- undefined