Band
Title
1480.5 cm-1: 2ν5 ? of C2H2 in C2H2 - Metastable phase
Band type
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
2ν5 ? bending sym. out-p (wagging) C2H2 C2H2 -C ≡ C-H 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)
1480.5 ± 1 - - undefined 5.0e-04 w 50.0
Band assignment #1
Assignment
Label
2ν5 ?
Category
overtone vibration

Evaluation

Level
uncertain assignment
Evaluation
undefined
Comments
from SSHADE
# Multiplicity type Degeneracy Other band
1 unknown
Primary specie
C2H2

Vibration modes

Label (type)
2ν5 ? (bending sym. out-p (wagging))       Bond: -C ≡ C-H
Texture
film

Temperature

Temperature
50.0 ± 5.0 K
Formation temperature
12.0 K
Temperature max
50.0 K
Method #1
spectrum measurement
Overlap
slightly blended
Peak
1480.5 ± 1 cm-1 (peak)
Evaluation
undefined
Quality
B
Shape
undefined
Evaluation
undefined
Quality
undefined
Method
baseline corrected peak intensity
Relative intensity
5.0e-04 ± 2.0e-04
Strength
weak (w)
Evaluation
undefined
Quality
E
Method
width x peak intensity
Evaluation
validated
Quality
undefined
Publication