Band
Title
85.5 cm-1: νLxy-Txy (T) of 12C16O in natural CO - phase alpha
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νLxy-Txy (T) T translation 12C16O CO unknown
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)
85.5 ± 1 12.5 ± 1 asymmetric 23 ± 3 2.6e-04 w 300 ± 30 0.0012 m 25.0
Label
νLxy-Txy (T)
Symmetry
T
Category
phonon mode

Evaluation

Level
partly assigned
Evaluation
validated
Comments
libration-translation coupling. Attribution by Serdyukov et al. (2010)
# Multiplicity type Degeneracy Other band
1 unknown

Rotation modes

Label (type)
νL (libration)
Comments
libration-translation coupling. Attribution by Serdyukov et al. (2010)

Phonon modes

Label (type)
νT (translation)
Comments
T ?

Temperature

Temperature
25.0 ± 20.0 K
Method #1
spectrum measurement
Overlap
isolated
Center
85.5 ± 1 cm-1 (half-max center)
Evaluation
validated
Quality
B
FWHM
12.5 ± 1 cm-1 (fwhm)
Shape
asymmetric
Evaluation
validated
Quality
C
Method
peak intensity
Absorption coefficient
23 ± 3 cm-1
Relative intensity
2.6e-04 ± 3.0e-05
Strength
weak (w)
Evaluation
undefined
Quality
D
Method
width x peak intensity
Absorption coefficient
300 ± 30 cm-2
Relative intensity
0.0012 ± 0.00012
Strength
medium (m)
Evaluation
undefined
Quality
D