- Type
- Raman scattering
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| νT (A1g) | A1g | translation |
(CO3)2- K⁺ |
no |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 80 ± 10 | - | - | unknown | 5.0e-04 | ew | 295.0 | 1 |
- Label
- νT (A1g)
- Symmetry
- A1g
- Category
- phonon mode
Evaluation
- Level
- fully assigned
- Evaluation
- undefined
- Comments
- assignment from WURM database
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | no |
- Label (type)
- νT (translation)
- Comments
- slight out-of-phase and out-of-plane translation of CO32- and out-of-phase translation of K⁺
Phonon modes
- Composition
- pure alpha-K2Ca(CO3)2, formed at 3GPa/975°C
- Texture
- crystal
- Temperature
- 295.0 ± 5.0 K
Temperature
- Pressure
- 1 bar
Pressure
- Laser wavelength
- 532.0 nm
- Sample orientation mode
- unoriented
- Method #1
- spectrum measurement
- Overlap
- strongly blended
- Peak
- 80 ± 10 cm-1 (estimated)
- Evaluation
- validated
- Quality
- D
- Shape
- unknown
- Evaluation
- validated
- Quality
- undefined
- Method
- extrapolated
- Relative intensity
- 5.0e-04 ± 4.0e-04
- Strength
- extremely weak (ew)
- Evaluation
- undefined
- Quality
- E
- Comments
- extrapolated