Band
Title
35.0 cm-1: νLT (Ag) of (CO3)2- & Na⁺ in Nahcolite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νLT (Ag) Ag translation (CO3)2-
Na⁺
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)
35 ± 2 - - undefined 0.05 w 295.0 1
Label
νLT (Ag)
Symmetry
Ag
Category
phonon mode

Evaluation

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

Rotation modes

Label (type)
νL (libration)
Comments
HCO3⁻ in-plane libration

Phonon modes

Label (type)
νT (translation)
Comments
HCO3⁻ in-plane translation + Na⁺ translation
Texture
crystal

Temperature

Temperature
295.0 ± 5.0 K

Pressure

Pressure
1 bar
Method #1
theory
Overlap
isolated
Peak
35 ± 2 cm-1 (calculated)
Evaluation
undefined
Quality
B
Shape
undefined
Evaluation
undefined
Quality
undefined
Method
calculated
Relative intensity
0.05 ± 0.01
Strength
weak (w)
Evaluation
undefined
Quality
D