Band
Title
1440.0 cm-1: ν3 of (CO3)2- in Na2Ca(CO3)2 - phase alpha
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν3 unknown stretching asym. (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)
1440 ± 1 - 7 ± 1.5 asymmetric 0.041 w 295.0 1
Label
ν3
Symmetry
unknown
Category
fundamental vibration

Evaluation

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

Vibration modes

Label (type)
ν3 (stretching asym.)       Bond: CO-2/3
Comments
C-O antisymmetric stretch
Texture
crystal

Temperature

Temperature
295.0 ± 5.0 K

Pressure

Pressure
1 bar
Laser wavelength
514.0 nm
Sample orientation mode
unoriented
Method #1
spectrum measurement
Overlap
moderately blended
Peak
1440 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
FWHM
7 ± 1.5 cm-1 (fwhm)
Shape
asymmetric
Evaluation
undefined
Quality
C
Method
peak intensity
Relative intensity
0.041 ± 0.008
Strength
weak (w)
Evaluation
undefined
Quality
D