Band
Title
1421.0 cm-1: ν3 (Ag) of (CO3)2- in Vaterite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν3 (Ag) Ag stretching asym. (CO3)2- CO-2/3 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)
1421 ± 0.5 - 15 ± 3 symmetric 0.0072 vw 295.0 1
Label
ν3 (Ag)
Symmetry
Ag
Category
fundamental vibration

Evaluation

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

Vibration modes

Label (type)
ν3 (stretching asym.)       Bond: CO-2/3
Comments
C-O antisymmetric 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
Overlap
isolated
Peak
1421 ± 0.5 cm-1 (various)
Evaluation
validated
Quality
A
FWHM
15 ± 3 cm-1 (various)
Shape
symmetric
Evaluation
undefined
Quality
D
Method
baseline corrected peak intensity
Relative intensity
0.0072 ± 0.001
Strength
very weak (vw)
Evaluation
undefined
Quality
D