Band
Title
117.0 cm-1: νLT (Ag) of (CO3)2- & Na2+ in Eitelite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νLT (Ag) Ag translation (CO3)2-
Na2+
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)
117 ± 1 - 5 ± 1 symmetric 0.016 vw 295.0 1
Label
νLT (Ag)
Symmetry
Ag
Category
phonon mode

Evaluation

Level
fully assigned
Evaluation
validated
Comments
from theoretical WURM database
# Multiplicity type Degeneracy Other band
1 no
Primary specie
(CO3)2-
Primary specie
Na2+

Rotation modes

Label (type)
νL (libration)
Comments
in-plane libration

Phonon modes

Label (type)
νT (translation)
Comments
Na2+ translation
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
117 ± 1 cm-1 (various)
Evaluation
validated
Quality
B
FWHM
5 ± 1 cm-1 (fwhm)
Shape
symmetric
Evaluation
undefined
Quality
C
Method
peak intensity
Relative intensity
0.016 ± 0.003
Strength
very weak (vw)
Evaluation
undefined
Quality
D