Band
Title
89.0 cm-1: νLxy of C4H2 in C4H2 - phase I
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νLxy unknown libration C4H2 C4H2 mode degeneracy double
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)
89 ± 3 - - unknown unknown 95.0
76 ± 3 - - unknown unknown 180.0
Label
νLxy
Symmetry
unknown
Category
rotation

Evaluation

Level
partly assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 mode degeneracy double

Rotation modes

Label (type)
νLxy (libration)
Texture
crystal

Temperature

Temperature
95.0 ± 1.0 K
Method #1
data extrapolation
Overlap
unknown
Peak
89 ± 3 cm-1 (extrapolated)
Evaluation
uncertain
Quality
C
Comments
obtained from combinations with nu4 and nu6+nu8
Shape
unknown
Evaluation
undefined
Quality
undefined
Texture
crystal

Temperature

Temperature
180.0 ± 1.0 K
Method #1
data extrapolation
Overlap
unknown
Peak
76 ± 3 cm-1 (extrapolated)
Evaluation
uncertain
Quality
C
Comments
obtained from combinations with nu4 and nu6+nu8
Shape
unknown
Evaluation
undefined
Quality
undefined