- Type
- absorption
- Assignments summary
- Characteristics summary
Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
---|---|---|---|---|---|---|---|---|---|
ν7+ν8 | unknown | combination vibration | CH3CN | CH3CN | -C ≤ H3 | unknown | Fermi resonance |
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) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
1427 ± 1 | - | - | broad shoulder | 800 ± 150 | s | s | 35.0 | |||||
1427 ± 1 | - | - | broad shoulder | 800 ± 150 | s | s | 95.0 |
- Label
- ν7+ν8
- Symmetry
- unknown
- Category
- combination vibration
Evaluation
- Level
- fully assigned
- Evaluation
- validated
# | Multiplicity type | Degeneracy | Other band |
---|---|---|---|
1 | unknown |
- Primary specie
- CH3CN
- Label (type)
- ν7 (bending asym. in-p (rocking)) Bond: -C ≤ H3
Vibration modes
Resonance #1
- Type
- Fermi resonance
- Band
- ν6 (1451.0 cm-1) of CH3CN
- Comments
- None
- Composition
- metastable-beta CH3CN
- Temperature
- 35.0 ± 15.0 K
Temperature
- Method #1
- spectrum measurement
- Overlap
- slightly blended
- Peak
- 1427 ± 1 cm-1 (peak)
- Evaluation
- undefined
- Quality
- B
- Shape
- broad shoulder
- Evaluation
- undefined
- Method
- baseline corrected peak intensity
- Absorption coefficient
- 800 ± 150 cm-1
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- D
- Method
- estimated
- Strength
- strong (s)
- Evaluation
- undefined
- Composition
- metastable-beta CH3CN
- Temperature
- 95.0 ± 20.0 K
Temperature
- Method #1
- spectrum measurement
- Overlap
- shoulder-tail
- Peak
- 1427 ± 1 cm-1 (peak)
- Evaluation
- undefined
- Quality
- B
- Shape
- broad shoulder
- Evaluation
- undefined
- Method
- baseline corrected peak intensity
- Absorption coefficient
- 800 ± 150 cm-1
- Strength
- strong (s)
- Evaluation
- undefined
- Quality
- D
- Method
- estimated
- Strength
- strong (s)
- Evaluation
- undefined