Band
Title
908.0 cm-1: ν2 (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
ν2 (B2g) B2g bending sym. out-p (wagging) (CO3)2- (CO3)2- 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)
908 ± 1 - 4 ± 2 unknown 7.0e-04 ew 0.001 ew 295.0 1
910 ± 2 - 1.8 ± 0.3 unknown 0.001 ew 0.001 ew 80.0
Band assignment #1
Assignment
Label
ν2 (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)
ν2 (bending sym. out-p (wagging))       Bond: (CO3)2-
Comments
O-C-O out-of-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
908 ± 1 cm-1 (various)
Evaluation
validated
Quality
B
FWHM
4 ± 2 cm-1 (fit fwhm)
Shape
unknown
Evaluation
validated
Quality
D
Method
peak intensity
Relative intensity
7.0e-04 ± 3.0e-04
Strength
extremely weak (ew)
Evaluation
undefined
Quality
E
Method
fit integrated intensity
Relative intensity
0.001 ± 0.001
Strength
extremely weak (ew)
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
spectrum fit
Fit function
Voigt
Overlap
isolated
Peak
910 ± 2 cm-1 (fit peak)
Evaluation
validated
Quality
B
FWHM
1.8 ± 0.3 cm-1 (fit fwhm)
Shape
unknown
Evaluation
validated
Quality
B
Method
extrapolated
Relative intensity
0.001 ± 0.001
Strength
extremely weak (ew)
Evaluation
undefined
Quality
E
Method
extrapolated
Relative intensity
0.001 ± 0.001
Strength
extremely weak (ew)
Evaluation
validated
Quality
E
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