Band
Title
899.0 cm-1: ν2 (Ag) of (CO3)2- in Eitelite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν2 (Ag) Ag 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)
899 ± 1 - 1.3 ± 0.2 symmetric 0.005 vvw 295.0 1
Label
ν2 (Ag)
Symmetry
Ag
Category
fundamental vibration

Evaluation

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

Vibration modes

Label (type)
ν2 (bending sym. out-p (wagging))       Bond: (CO3)2-
Comments
O-C-O out-of-plane deformation interacting with Fe2+
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
various
Overlap
moderately blended
Peak
899 ± 1 cm-1 (various)
Evaluation
undefined
Quality
B
FWHM
1.3 ± 0.2 cm-1 (fwhm)
Shape
symmetric
Evaluation
undefined
Quality
A
Method
peak intensity
Relative intensity
0.005 ± 0.001
Strength
very very weak (vvw)
Evaluation
undefined
Quality
D