Band
Title
1770.0 cm-1: ν14 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
ν14 combination vibration (CO3)2- CO-2/3
(CO3)2-
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)
1770 ± 1 - 6 ± 2 undefined 0.044 w 295.0 1
Label
ν14
Category
combination vibration

Evaluation

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

Vibration modes

Label (type)
ν1 (stretching sym.)       Bond: CO-2/3
ν4 (bending sym. in-p (scissoring))       Bond: (CO3)2-
Comments
C-O symmetric 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
multiple
Peak
1770 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
FWHM
6 ± 2 cm-1 (fwhm)
Shape
undefined
Evaluation
undefined
Quality
D
Method
peak intensity
Relative intensity
0.044 ± 0.006
Strength
weak (w)
Evaluation
undefined
Quality
D