Band
Title
1000.0 cm-1: ν1 of (SO4)2- in magnesian Nyerereite
Type
Raman scattering
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν1 unknown stretching sym. (SO4)2- SO-1/2 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)
1000 ± 5 - 13 ± 3 symmetric 0.055 w 295.0 1
Label
ν1
Symmetry
unknown
Category
fundamental vibration

Evaluation

Level
partly assigned
Evaluation
validated
Comments
SO42- substituted to CO32-
# Multiplicity type Degeneracy Other band
1 no

Vibration modes

Label (type)
ν1 (stretching sym.)       Bond: SO-1/2
Comments
S-O antisymmetric stretch

Temperature

Temperature
295.0 ± 5.0 K

Pressure

Pressure
1 bar
Laser wavelength
532.0 nm
Sample orientation mode
unoriented
Method #1
spectrum measurement
Overlap
isolated
Peak
1000 ± 5 cm-1 (peak)
Evaluation
validated
Quality
C
FWHM
13 ± 3 cm-1 (fit fwhm)
Shape
symmetric
Evaluation
validated
Quality
D
Method
peak intensity
Relative intensity
0.055 ± 0.03
Strength
weak (w)
Evaluation
undefined
Quality
E