Band
Title
37000.0 cm-1: O2- → Fe3+ of Fe3+ & O2- in Hematite
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
O2- → Fe3+ ligand-to-metal charge-transfer Fe3+
O2-
unknown full
Characteristics summary
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)
37000 ± 1000 - - unknown 1 unknown 298.0 1
Label
O2- → Fe3+
Category
electronic transition

Evaluation

Level
partly assigned
Evaluation
validated
Comments
Band induced by ligand-to-metal charge transfer. Detailed transition given in Sherman and Waite (1985) inconsistent with the one given by Marusak et al. (1980; polarized measurement)
# Multiplicity type Degeneracy Other band
1 unknown
Contribution level
full
Primary specie
Fe3+
Primary specie
O2-

Electronic modes

Label (type)
O2- → Fe3+ (ligand-to-metal charge-transfer)

Temperature

Temperature
298.0 ± 1.0 K

Pressure

Pressure
1 bar
Method #1
spectrum measurement
Overlap
strongly blended
Peak
37000 ± 1000 cm-1 (peak)
Evaluation
validated
Quality
E
Shape
unknown
Evaluation
undefined
Quality
undefined
Method
peak intensity
Relative intensity
1 ± 0.05
Strength
Evaluation
undefined
Quality
C