Band
Title
1087.0 cm-1: ν1H of (CO3)2- in magnesian Nyerereite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν1H unknown stretching sym. (CO3)2- CO-2/3 site degeneracy double site major
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)
1087 ± 2 - 5.5 ± 0.3 asymmetric 1 vs 295.0 1
Label
ν1H
Symmetry
unknown
Category
fundamental vibration

Evaluation

Level
partly assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 site degeneracy double site
Contribution level
major

Vibration modes

Label (type)
ν1H (stretching sym.)       Bond: CO-2/3
Comments
C-O symmetric stretch
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 measurement
Fit function
Voigt
Overlap
strongly blended
Peak
1087 ± 2 cm-1 (peak)
Evaluation
validated
Quality
B
Comments
sometimes with shoulder at ~1099 cm-1 (m)
FWHM
5.5 ± 0.3 cm-1 (fit fwhm)
Shape
asymmetric
Evaluation
validated
Quality
B
Method
estimated
Relative intensity
1
Strength
very strong (vs)
Evaluation
undefined
Quality
undefined