Band
Title
1796.0 cm-1: 2ν2 (A1g) of (CO3)2- in Eitelite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
2 (A1g) A1g bending sym. out-p (wagging) (CO3)2- (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)
1796 ± 1 - 3.5 ± 0.5 asymmetric high frequency wing 0.012 vw 295.0 1
Label
2 (A1g)
Symmetry
A1g
Category
overtone vibration

Evaluation

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

Vibration modes

Label (type)
2 (bending sym. out-p (wagging))       Bond: (CO3)2-
Comments
O-C-O out-of-plane deformation
Composition
Na2Mg(CO3)2
Texture
crystal

Temperature

Temperature
295.0 ± 5.0 K

Pressure

Pressure
1 bar
Laser wavelength
532.0 nm
Sample orientation mode
unoriented
Method #1
spectrum fit
Fit function
Voigt
Overlap
isolated
Peak
1796 ± 1 cm-1 (fit peak)
Evaluation
undefined
Quality
B
Comments
with ew peak at 1783 cm-1
FWHM
3.5 ± 0.5 cm-1 (fwhm)
Shape
asymmetric high frequency wing
Evaluation
undefined
Quality
B
Method
peak intensity
Relative intensity
0.012 ± 0.002
Strength
very weak (vw)
Evaluation
undefined
Quality
D