Band
Title
1090.5 cm-1: ν1 (A1) of (CO3)2- in Alstonite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν1 (A1) A stretching sym. (CO3)2- CO-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)
1090.5 ± 1.5 - 6.5 ± 1 asymmetric low frequency wing 0.4 s 295.0 1
Label
ν1 (A1)
Symmetry
A
Category
fundamental vibration

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 no

Vibration modes

Label (type)
ν1 (stretching sym.)       Bond: CO-2/3
Comments
C-O symmetric stretch of CO32- beween the planes of the Ca2+ and Ba2+ ions network
Texture
single crystals and powders

Temperature

Temperature
295.0 ± 5.0 K

Pressure

Pressure
1 bar
Method #1
various
Overlap
slightly blended
Peak
1090.5 ± 1.5 cm-1 (peak)
Evaluation
validated
Quality
B
FWHM
6.5 ± 1 cm-1 (estimated)
Shape
asymmetric low frequency wing
Evaluation
undefined
Quality
C
Method
calculated
Relative intensity
0.4 ± 0.04
Strength
strong (s)
Evaluation
undefined
Quality
D