Band
Title
2646.5 cm-1: 2ν3 (B2(TO))? of 32S16O2 in natural SO2 - phase I
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
3 (B2(TO))? B2 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)
2648 ± 0.3 - - symmetric w 90.0
2646.5 ± 0.3 - 9.9 ± 0.3 symmetric 5.2 ± 0.1 w 125.0
Label
3 (B2(TO))?
Symmetry
B2
Category
combination vibration

Evaluation

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

Vibration modes

Label (type)
3 (stretching asym.)       Bond: =32S=16O

Temperature

Temperature
90.0 ± 15.0 K
Method #1
spectrum measurement
Overlap
unknown
Peak
2648 ± 0.3 cm-1 (fit peak)
Evaluation
undefined
Quality
A
Shape
symmetric
Evaluation
undefined
Method
extrapolated
Strength
weak (w)
Evaluation
undefined

Temperature

Temperature
125.0 ± 5.0 K
Formation temperature
35.0 K
Method #1
spectrum measurement
Overlap
moderately blended
Peak
2646.5 ± 0.3 cm-1 (fit peak)
Evaluation
undefined
Quality
A
FWHM
9.9 ± 0.3 cm-1 (fwhm)
Shape
symmetric
Evaluation
undefined
Quality
B
Method
baseline corrected peak intensity
Absorption coefficient
5.2 ± 0.1 cm-1
Strength
weak (w)
Evaluation
undefined
Quality
A