- Type
- Raman scattering
- Assignments summary
- Characteristics summary
| Assignment | Symmetry | Mode | Specie(s) | Molecule/Atom | Bond | Multiplicity | Degeneracy | Contribution | Resonance |
|---|---|---|---|---|---|---|---|---|---|
| ν3 (Eg) | Eg | stretching asym. | (CO3)2- | ……C…O-2/3 | mode degeneracy | double | full |
| 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) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1444 ± 14 | - | 60 ± 6 | asymmetric high frequency wing | 0.004 | vvw | 0.027 | w | 295.0 | 1 |
- Label
- ν3 (Eg)
- Symmetry
- Eg
- Category
- fundamental vibration
Evaluation
- Level
- fully assigned
- Evaluation
- validated
- Contribution level
- full
| # | Multiplicity type | Degeneracy | Other band |
|---|---|---|---|
| 1 | mode degeneracy | double |
- Primary specie
- (CO3)2-
- Label (type)
- ν3 (stretching asym.) Bond: ……C…O-2/3
- Comments
- C-O antisymmetric stretch
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
- isolated
- Peak
- 1444 ± 14 cm-1 (fit peak)
- Evaluation
- recommended
- Quality
- D
- Comments
- increases up to around Mg=0.4, but dispersed
- FWHM
- 60 ± 6 cm-1 (fit fwhm)
- Shape
- asymmetric high frequency wing
- Evaluation
- validated
- Quality
- E
- Comments
- decreases with Mg fraction
- Method
- baseline corrected peak intensity
- Relative intensity
- 0.004 ± 0.002
- Strength
- very very weak (vvw)
- Evaluation
- validated
- Quality
- E
- Comments
- slightly increases with Mg content
- Method
- width x peak intensity
- Relative intensity
- 0.027 ± 0.011
- Strength
- weak (w)
- Evaluation
- recommended
- Quality
- E
- Publication
- SSHADE spectra
-
- Schmitt, Bernard; Montagnac, Gilles (2025): MIR-FIR normalized Raman spectrum (532 nm) of Mg-Mn-Siderite (St-Georges d'Hurtières) - grain M2-F1 - Mg# = 7.65%. Version 1. SSHADE/DRIMS (OSUG Data Center). Dataset/Spectral Data.
- Schmitt, Bernard; Montagnac, Gilles (2025): MIR-FIR normalized Raman spectrum (532 nm) of Mg-Siderite (Terril du Villaret, France) - grain M4-H0 - Mg# = 24.7%. Version 1. SSHADE/DRIMS (OSUG Data Center). Dataset/Spectral Data.
- Schmitt, Bernard; Montagnac, Gilles (2025): MIR-FIR normalized Raman spectrum (532 nm) of Mg-Siderite (Mines de La Mure, France) - grain M3-E8a - Mg# = 39.2%. Version 1. SSHADE/DRIMS (OSUG Data Center). Dataset/Spectral Data.