Band
Title
743.0 cm-1: ν4 (Ag) of (CO3)2- in Vaterite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν4 (Ag) Ag bending sym. in-p (scissoring) (CO3)2- (CO3)2- mode degeneracy 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)
743 ± 0.5 - 7.7 ± 0.7 symmetric 0.015 vw 295.0 1
Label
ν4 (Ag)
Symmetry
Ag
Category
fundamental vibration

Evaluation

Level
fully assigned
Evaluation
validated
Comments
Symmetry from WURM database
# Multiplicity type Degeneracy Other band
1 mode degeneracy no

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
strongly blended
Peak
743 ± 0.5 cm-1 (various)
Evaluation
validated
Quality
A
FWHM
7.7 ± 0.7 cm-1 (various)
Shape
symmetric
Evaluation
undefined
Quality
B
Method
estimated
Relative intensity
0.015 ± 0.002
Strength
very weak (vw)
Evaluation
undefined
Quality
D