- Type
- Raman scattering
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| ν4a (Eg) | Eg | deformation in-p | (CO3)2- | (CO3)2- | mode degeneracy | double | 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 728.25 ± 0.5 | - | 16.75 ± 1 | symmetric | 0.017 | vw | 0.033 | w | 295.0 | 1 |
- Label
- ν4a (Eg)
- Symmetry
- Eg
- Category
- fundamental vibration
Evaluation
- Level
- partly assigned
- Evaluation
- recommended
- Contribution level
- extracted
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | mode degeneracy | double | (CO3)2- |
- Primary specie
- (CO3)2-
- Label (type)
- ν4a (deformation in-p) Bond: (CO3)2-
- Comments
- O-C-O in-plane bdeformation
Vibration modes
- Composition
- Fe>0.95, Mg<0.05, Mn<0.04
- 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
- spectrum fit
- Fit function
- Gaussian
- Overlap
- strongly blended
- Peak
- 728.25 ± 0.5 cm-1 (fit peak)
- Evaluation
- validated
- Quality
- A
- Comments
- increases with Mg fraction
- FWHM
- 16.75 ± 1 cm-1 (fit fwhm)
- Shape
- symmetric
- Evaluation
- validated
- Quality
- C
- Comments
- increases with Mg fraction
- Method
- fit intensity
- Relative intensity
- 0.017 ± 0.003
- Strength
- very weak (vw)
- Evaluation
- validated
- Quality
- D
- Method
- width x peak intensity
- Relative intensity
- 0.033 ± 0.005
- Strength
- weak (w)
- Evaluation
- recommended
- Quality
- D