- Type
- Raman scattering
- Comments
- Inactive in pure Siderite
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| ν2a (A2g) | A2g | deformation out-p | (CO3)2- | (CO3)2- | no | minor |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 863.5 ± 0.5 | - | 4 ± 1 | unknown | 2.5e-04 | ew | 0.00015 | ia | 295.0 | 1 |
- Label
- ν2a (A2g)
- Symmetry
- A2g
- Category
- fundamental vibration
Evaluation
- Level
- partly assigned
- Evaluation
- validated
- Contribution level
- minor
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | no | (CO3)2- |
- Primary specie
- (CO3)2-
- Label (type)
- ν2a (deformation out-p) Bond: (CO3)2-
- Comments
- O-C-O out-of-plane deformation
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
- 863.5 ± 0.5 cm-1 (extrapolated)
- Evaluation
- with caution
- Quality
- A
- Comments
- extrapolated @ Mg=0-0.05
- FWHM
- 4 ± 1 cm-1 (extrapolated)
- Shape
- unknown
- Evaluation
- with caution
- Quality
- C
- Comments
- extrapolated @ Mg=0-0.05
- Method
- estimated
- Relative intensity
- 2.5e-04 ± 2.5e-04
- Strength
- extremely weak (ew)
- Evaluation
- with caution
- Quality
- E
- Comments
- detection limit
- Method
- estimated
- Relative intensity
- 0.00015 ± 0.00015
- Strength
- inactive (ia)
- Evaluation
- with caution
- Quality
- E
- Comments
- detection limit