Bandlist 10 10

Raman bandlist of Mg-Siderite

Title
Raman bandlist of Mg-Siderite
Band list reference
Schmitt, Bernard and The SSHADE Band List Committee (2026): Raman bandlist of Mg-Siderite. Version 1. SSHADE (OSUG Data Center). Dataset/Band list Data. https://doi.org/10.26302/SSHADE/BANDLIST_RAMAN_MG-SIDERITE
Publication(s)
Type
Raman scattering
Description
FIR-MIR Raman bandlist of natural Mg-Siderite (5% < Mg < 50%, Mn < 4%) at room temperature
Number of bands
10
Comments
From a detailed analysis of the Raman bands along the whole siderite-magnesite solid solution (Schmitt et al. 2026)
Constituent
Magnesian Siderite
Comments
Atoms: Fe, Mg, (Mn, Ca, Zn), C, O
Position (cm-1) Width (cm-1) Peak intensity (cm-1) Relative intensity Strength Transition mode Mode type(s) Bond Specie(s) Degeneracy Resonances
190.75 ± 7.25 190.75 ± 7.25 14 ± 2.5 0.09 m
νT (Eg)
translation
(CO3)2-
double
294.75 ± 11.25 294.75 ± 11.25 15.5 ± 1.5 0.2 s
νL (Eg)
libration
(CO3)2-
double
513.5 ± 6 513.5 ± 6 70 ± 5.4 0.009 vw
Fe2+-O⁻ excitation
ligand-to-metal charge-transfer
Fe2+
O⁻

731 ± 2.25 731 ± 2.25 18.5 ± 1 0.021 w
ν4a (Eg)
deformation in-p
(CO3)2-
(CO3)2-
double
745 ± 2.25 745 ± 2.25 15 ± 3.5 0.008 vw
ν4b (Eu)
deformation in-p
(CO3)2-
(CO3)2-
double
851 ± 3 851 ± 3 9 ± 4 5.0e-04 ew
ν2b (A2u)
deformation out-p
(CO3)2-
(CO3)2-

867.75 ± 3.75 867.75 ± 3.75 10.5 ± 2.5 0.0025 vvw
ν2a (A2g)
deformation out-p
(CO3)2-
(CO3)2-

1087.75 ± 2.5 1087.75 ± 2.5 9.5 ± 1 1 vs
ν1 (A1g)
stretching sym.
……C…O-2/3
(CO3)2-

1444 ± 14 1444 ± 14 60 ± 6 0.004 vvw
ν3 (Eg)
stretching asym.
……C…O-2/3
(CO3)2-
double
1734 ± 8 1734 ± 8 21.75 ± 3.75 0.021 w
2ν2 (A1g)
deformation out-p
(CO3)2-
(CO3)2-

Spectral range type(s)
MIR, FIR
Spectral range(s)
150 - 1800 cm-1
Reference position electronic
513 cm-1
Reference position Raman
1088 cm-1

Versions

Release date
2026-09-06 22:23:22+0000 UTC
Version (Date)
#1 (2026-09-06 22:23:22+0000 UTC, Updated: 2026-09-06 22:23:22+0000 UTC)
History
Date Mode Version Status Comments
2026-08-09 11:58:43+0000 UTC first import #1 valid version
Analysis
Specific analysis of position, width and intensity of Raman spectra measured with high accuracy on a set of samples and characterized with EPMA at the location of Raman spot (Schmitt et al. 2026, IPAG) + compilation of all the published spectral data (papers and databases)
Quality flag
5
Validation date
2026-08-08
Validators