Band
Title
712.0 cm-1: ν4 (Eg) of (CO3)2- in Calcite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν4 (Eg) Eg bending sym. in-p (scissoring) (CO3)2- (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)
712 ± 1.5 - 3 ± 0.5 symmetric 0.065 m 0.1 m 295.0 1
712.5 ± 0.5 - 1.9 ± 0.2 symmetric 0.075 m 0.1 m 80.0
Label
ν4 (Eg)
Symmetry
Eg
Category
fundamental vibration

Evaluation

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

Vibration modes

Label (type)
ν4 (bending sym. in-p (scissoring))       Bond: (CO3)2-
Comments
O-C-O in-plane deformation
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
712 ± 1.5 cm-1 (various)
Evaluation
validated
Quality
B
FWHM
3 ± 0.5 cm-1 (various)
Shape
symmetric
Evaluation
validated
Quality
B
Method
various
Relative intensity
0.065 ± 0.025
Strength
medium (m)
Evaluation
undefined
Quality
E
Method
various
Relative intensity
0.1 ± 0.035
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
712.5 ± 0.5 cm-1 (unknown)
Evaluation
validated
Quality
A
FWHM
1.9 ± 0.2 cm-1 (unknown)
Shape
symmetric
Evaluation
validated
Quality
A
Method
other
Relative intensity
0.075 ± 0.025
Strength
medium (m)
Evaluation
validated
Quality
E
Comments
from integrated intensity
Method
fit integrated intensity
Relative intensity
0.1 ± 0.035
Strength
medium (m)
Evaluation
validated
Quality
E