Band
Title
1575.0 cm-1: ν3 (B2g) of (CO3)2- in Aragonite
Band type
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν3 (B2g) B2g stretching asym. (CO3)2- ……C…O-2/3 no
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)
1575 ± 1.5 - 7.2 ± 0.8 unknown 0.0035 vvw 0.01 vw 295.0 1
1579 ± 1 - 4.7 ± 0.3 unknown 0.0035 vvw 0.011 vw 80.0
Band assignment #1
Assignment
Label
ν3 (B2g)
Symmetry
B2g
Category
fundamental vibration

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 no
Primary specie
(CO3)2-

Vibration modes

Label (type)
ν3 (stretching asym.)       Bond: ……C…O-2/3
Comments
C-O asymmetric stretch
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
Fit function
Voigt
Overlap
isolated
Peak
1575 ± 1.5 cm-1 (fit peak)
Evaluation
validated
Quality
B
FWHM
7.2 ± 0.8 cm-1 (fit fwhm)
Shape
unknown
Evaluation
validated
Quality
B
Method
peak intensity
Relative intensity
0.0035 ± 0.0015
Strength
very very weak (vvw)
Evaluation
undefined
Quality
E
Method
extrapolated
Relative intensity
0.01 ± 0.001
Strength
very weak (vw)
Evaluation
undefined
Quality
D
Texture
single crystals and powders

Temperature

Temperature
80.0 ± 5.0 K
Laser wavelength
514.5 nm
Sample orientation mode
unoriented
Method #1
spectrum fit
Fit function
Voigt
Overlap
isolated
Peak
1579 ± 1 cm-1 (fit peak)
Evaluation
validated
Quality
B
FWHM
4.7 ± 0.3 cm-1 (fit fwhm)
Shape
unknown
Evaluation
validated
Quality
B
Method
other
Relative intensity
0.0035 ± 0.001
Strength
very very weak (vvw)
Evaluation
undefined
Quality
E
Method
fit integrated intensity
Relative intensity
0.011 ± 0.001
Strength
very weak (vw)
Evaluation
undefined
Quality
C
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