Band
Title
180.5 cm-1: νLz (Bu) ? of CH3CN in natural CH3CN - phase beta
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νLz (Bu) ? Bu libration CH3CN CH3CN 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)
180.5 ± 0.5 - - shoulder 35.0
Label
νLz (Bu) ?
Symmetry
Bu
Category
rotation

Evaluation

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

Rotation modes

Label (type)
νLz (libration)
Composition
metastable-beta CH3CN

Temperature

Temperature
35.0 ± 15.0 K
Method #1
spectrum measurement
Overlap
shoulder-tail
Peak
180.5 ± 0.5 cm-1 (peak)
Evaluation
validated
Quality
A
Shape
shoulder