- Type
- absorption
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| unknown | combination vibration | 12CH4 | CH4 | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 8630 ± 3 | - | - | sharp shoulder | 0.8 ± 0.2 | 1.0e-04 | vw | 30.0 |
- Label
- unknown
- Category
- combination vibration
Evaluation
- Level
- not assigned
- Evaluation
- undefined
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | unknown |
- Primary specie
- 12CH4
- Label (type)
- None (unknown)
Vibration modes
- Texture
- crystal
- Temperature
- 30.0 ± 1.0 K
- Formation temperature
- 90.7 K
- Temperature max
- 90.7 K
Temperature
- Method #1
- spectrum measurement
- Overlap
- shoulder-tail
- Peak
- 8630 ± 3 cm-1 (other)
- Evaluation
- undefined
- Quality
- C
- Shape
- sharp shoulder
- Evaluation
- undefined
- Quality
- undefined
- Comments
- strong shoulder in the high frequency wing of the 8587 cm-1 band
- Method
- extrapolated
- Absorption coefficient
- 0.8 ± 0.2 cm-1
- Relative intensity
- 1.0e-04 ± 2.5e-05
- Strength
- very weak (vw)
- Evaluation
- undefined
- Quality
- E