Band
Title
2950.0 cm-1: ν123 of 34S16O2 in natural SO2 - phase I
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν123 unknown combination vibration 34S16O2 SO2 =34S=16O
34S16O2
=34S=16O
no 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)
2950 ± 0.3 - 1.6 ± 0.2 gaussian 0.024 ± 0.002 vvw 125.0
Label
ν123
Symmetry
unknown
Category
combination vibration

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 no no

Vibration modes

Label (type)
1 (stretching sym.)       Bond: =34S=16O
ν2 (bending)       Bond: 34S16O2
ν3 (stretching asym.)       Bond: =34S=16O

Temperature

Temperature
125.0 ± 5.0 K
Formation temperature
35.0 K
Method #1
spectrum measurement
Overlap
isolated
Peak
2950 ± 0.3 cm-1 (fit peak)
Evaluation
undefined
Quality
A
FWHM
1.6 ± 0.2 cm-1 (fwhm)
Shape
gaussian
Evaluation
undefined
Quality
A
Method
baseline corrected peak intensity
Absorption coefficient
0.024 ± 0.002 cm-1
Strength
very very weak (vvw)
Evaluation
undefined
Quality
C