- Type
- Raman scattering
- Comments
- activated infrared mode for low amount of Mg (5-25%)
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| ν2b (A2u) | A2u | deformation out-p | (CO3)2- | (CO3)2- | no | extracted |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 851 ± 3 | - | 9 ± 4 | symmetric | 5.0e-04 | ew | 0.0005 | ew | 295.0 | 1 |
- Label
- ν2b (A2u)
- Symmetry
- A2u
- Category
- fundamental vibration
Evaluation
- Level
- partly assigned
- Evaluation
- uncertain
- Contribution level
- extracted
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | no | (CO3)2- |
- Primary specie
- (CO3)2-
- Label (type)
- ν2b (deformation out-p) Bond: (CO3)2-
- Comments
- O-C-O out-of-plane deformation
Vibration modes
- Composition
- 0.05
- Texture
- crystal in plot
- Temperature
- 295.0 ± 5.0 K
Temperature
- Pressure
- 1 bar
Pressure
- Laser wavelength
- 532.0 nm
- Sample orientation mode
- unoriented
- Method #1
- various
- Overlap
- moderately blended
- Peak
- 851 ± 3 cm-1 (fit peak)
- Evaluation
- validated
- Quality
- C
- Comments
- increases with Mg fraction but disappears above Mg=0.25
- FWHM
- 9 ± 4 cm-1 (fit fwhm)
- Shape
- symmetric
- Evaluation
- validated
- Quality
- D
- Method
- fit intensity
- Relative intensity
- 5.0e-04 ± 0.002
- Strength
- extremely weak (ew)
- Evaluation
- validated
- Quality
- E
- Comments
- independent of Mg content
- Method
- width x peak intensity
- Relative intensity
- 0.0005 ± 0.0003
- Strength
- extremely weak (ew)
- Evaluation
- recommended
- Quality
- E