Bandlist 11 11

Absorption bandlist of crystalline hematite

Title
Absorption bandlist of crystalline hematite
Type
absorption
Description
UV and FIR-MIR absorption bandlist of crystalline hematite
Number of bands
11
Position (cm-1) Width (cm-1) Peak intensity (cm-1) Relative intensity Strength Transition mode Mode type(s) Bond Specie(s) Degeneracy Resonances
229 ± 3 229 ± 3 10 ± 5 0.1 vs
nuT (Eu)
translation
Fe3+
O2-

338 ± 5 338 ± 5 55 ± 10 0.82 vs
nuT (Eu)
translation
Fe3+
O2-

380 ± 5 380 ± 5 20 ± 5 0.15 vs
nuT (A2u)
translation
Fe3+
O2-

470 ± 12 470 ± 12 45 ± 10 0.66 vs
nuT (Eu)
translation
Fe3+
O2-

555 ± 20 555 ± 20 90 ± 30 22660 ± 100 1 vvs
nuT (Eu)
nuT (A2u)
translation
translation
Fe3+
O2-
Fe3+
O2-



11630 ± 50 11630 ± 50 3100 ± 300 0.49 unknown
6A1g4T1g
crystal field
Fe3+

15750 ± 125 15750 ± 125 3450 ± 250 0.53 unknown
2p(O2-) → 3d(Fe3+)
ligand-to-metal charge-transfer
Fe3+
O2-

18200 ± 700 18200 ± 700 2600 ± 500 0.81 unknown
2p(O2-) → 3d(Fe3+)
ligand-to-metal charge-transfer
Fe3+
O2-

22000 ± 500 22000 ± 500 8600 ± 500 1 unknown
O2- → Fe3+ or 6A14E, 4A1
unknown
Fe3+

31300 ± 1000 31300 ± 1000 0.94 unknown
O2- → Fe3+ or 6A14T1(4P)
unknown
Fe3+

37000 ± 1000 37000 ± 1000 1 unknown
O2- → Fe3+
ligand-to-metal charge-transfer
Fe3+
O2-

Spectral range type(s)
FIR, MIR, UV
Spectral range(s)
200 - 1000 cm-1, 8000 - 45000 cm-1
Reference position electronic
22000 cm-1
Reference position infrared
555 cm-1

Versions

Release date
2023-05-08 21:15:07+0000 UTC
Version (Date)
#1 (2023-05-08 21:15:07+0000 UTC, Updated: 2024-01-03 19:12:11+0000 UTC)
History
Date Mode Version Status Comments
2022-05-16 12:25:34+0000 UTC first import #1 valid version
Analysis
Using experiments/reviews from Serna (1982), Wang (1998), Lu (2005), Marra (2005), Chernyshova (2007) for phonon modes, and Tandon and Gupta (1970), Sherman and Waite (1985), Pailhe et al. (2018) and Rossman and Ehlmann (2019) for electronic transition modes
Quality flag
3
Validation date
2023-05-09
Validators