Band
Title
380.0 cm-1: nuT (A2u) of Fe3+ & O2- in Hematite
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
nuT (A2u) A2u translation 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)
380 ± 5 - 20 ± 5 symmetric 0.15 vs 74000 ± 40000 vs 298.0 1
Label
nuT (A2u)
Symmetry
A2u
Category
phonon mode

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 unknown
Contribution level
full
Primary specie
Fe3+
Primary specie
O2-

Phonon modes

Label (type)
νT (translation)

Temperature

Temperature
298.0 ± 1.0 K

Pressure

Pressure
1 bar
Method #1
data compilation
Fit function
Lorentzian
Overlap
isolated
Peak
380 ± 5 cm-1 (peak)
Evaluation
validated
Quality
C
FWHM
20 ± 5 cm-1 (fit fwhm)
Shape
symmetric
Evaluation
validated
Quality
E
Method
baseline corrected peak intensity
Relative intensity
0.15 ± 0.05
Strength
very strong (vs)
Evaluation
validated
Quality
E
Method
width x peak intensity
Absorption coefficient
74000 ± 40000 cm-2
Strength
very strong (vs)
Evaluation
validated
Quality
E