Band
Title
2287.5 cm-1: 2ν1 of 32S16O2 in natural SO2 - phase I
Band type
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
2ν1 unknown combination vibration 32S16O2 SO2 =32S=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)
2287.5 ± 0.3 - - asymmetric high frequency wing 0.011 m 90.0
2287.5 ± 0.5 - 4.6 ± 0.2 asymmetric high frequency wing 147 ± 10 m 125.0
Band assignment #1
Assignment
Label
2ν1
Symmetry
unknown
Category
combination vibration

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 no no
Primary specie
32S16O2

Vibration modes

Label (type)
2ν1 (stretching sym.)       Bond: =32S=16O

Temperature

Temperature
90.0 ± 15.0 K
Method #1
spectrum measurement
Overlap
slightly blended
Peak
2287.5 ± 0.3 cm-1 (fit peak)
Evaluation
undefined
Quality
A
Shape
asymmetric high frequency wing
Evaluation
undefined
Method
peak intensity
Relative intensity
0.011 ± 0.001
Strength
medium (m)
Evaluation
undefined
Quality
C

Temperature

Temperature
125.0 ± 5.0 K
Formation temperature
35.0 K
Method #1
spectrum measurement
Overlap
slightly blended
Peak
2287.5 ± 0.5 cm-1 (fit peak)
Evaluation
undefined
Quality
A
FWHM
4.6 ± 0.2 cm-1 (fwhm)
Shape
asymmetric high frequency wing
Evaluation
undefined
Quality
A
Method
peak intensity
Absorption coefficient
147 ± 10 cm-1
Strength
medium (m)
Evaluation
undefined
Quality
C
Publications