Band
Title
2025.0 cm-1: ν OH + ν CO3 of (HCO3)- in Nahcolite
Band type
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν OH + ν CO3 Bg stretching asym.
stretching 		(HCO3)- (HCO3)-
 -O-H 		mode degeneracy double
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)
2025 ± 6 - - undefined 0.012 vw 295.0 1
Band assignment #1
Assignment
Label
ν OH + ν CO3
Symmetry
Bg
Category
fundamental vibration

Evaluation

Level
fully assigned
Evaluation
undefined
Comments
From WURM database
# Multiplicity type Degeneracy Other band
1 mode degeneracy double
Primary specie
(HCO3)-

Vibration modes

Label (type)
ν C-O3 (stretching asym.)       Bond: (HCO3)-
ν O-H (stretching)       Bond: -O-H
Comments
C-O3⁻ asymmetric stretching + O-H stretching
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
strongly blended
Peak
2025 ± 6 cm-1 (various)
Evaluation
undefined
Quality
D
Shape
undefined
Evaluation
undefined
Quality
undefined
Method
baseline corrected peak intensity
Relative intensity
0.012 ± 0.005
Strength
very weak (vw)
Evaluation
undefined
Quality
E