Band
Title
901.0 cm-1: ν2(a) of (CO3)2- in Alstonite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν2(a) A bending sym. out-p (wagging) (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)
901 ± 0.5 - 4 ± 0.5 symmetric 0.0085 vw 295.0 1
Label
ν2(a)
Symmetry
A
Category
fundamental vibration

Evaluation

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

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
Method #1
spectrum measurement
Overlap
moderately blended
Peak
901 ± 0.5 cm-1 (peak)
Evaluation
undefined
Quality
A
FWHM
4 ± 0.5 cm-1 (estimated)
Shape
symmetric
Evaluation
undefined
Quality
B
Method
calculated
Relative intensity
0.0085 ± 0.005
Strength
very weak (vw)
Evaluation
undefined
Quality
E