Band
Title
156.0 cm-1: νT (Eg) of (CO3)2- in Calcite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νT (Eg) Eg translation (CO3)2- mode degeneracy double
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)
156 ± 2 - 6.5 ± 0.5 symmetric 0.07 m 0.2 m 295.0 1
159.3 ± 0.5 - 2.3 ± 0.4 symmetric 0.085 m 0.14 m 80.0
Label
νT (Eg)
Symmetry
Eg
Category
phonon mode

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 mode degeneracy double

Phonon modes

Label (type)
νT (translation)
Comments
CO32− translation
Texture
single crystals and powders

Temperature

Temperature
295.0 ± 5.0 K

Pressure

Pressure
1 bar
Laser wavelength
514.5 nm
Sample orientation mode
unoriented
Method #1
various
Overlap
isolated
Peak
156 ± 2 cm-1 (various)
Evaluation
validated
Quality
B
FWHM
6.5 ± 0.5 cm-1 (various)
Shape
symmetric
Evaluation
validated
Quality
B
Method
various
Relative intensity
0.07 ± 0.04
Strength
medium (m)
Evaluation
undefined
Quality
E
Method
various
Relative intensity
0.2 ± 0.1
Strength
medium (m)
Evaluation
validated
Quality
E
Texture
single crystals and powders

Temperature

Temperature
80.0 ± 5.0 K
Laser wavelength
514.5 nm
Sample orientation mode
unoriented
Method #1
unknown
Overlap
isolated
Peak
159.3 ± 0.5 cm-1 (unknown)
Evaluation
validated
Quality
A
FWHM
2.3 ± 0.4 cm-1 (unknown)
Shape
symmetric
Evaluation
validated
Quality
B
Method
other
Relative intensity
0.085 ± 0.02
Strength
medium (m)
Evaluation
validated
Quality
D
Comments
from integrated intensity
Method
fit integrated intensity
Relative intensity
0.14 ± 0.05
Strength
medium (m)
Evaluation
validated
Quality
E