Band
Title
1300.0 cm-1: ν4 of 12CH4 in CH4 - phase I
Band type
Type
Raman scattering
Comments
INACTIVE
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν4 deformation 12CH4 CH4 ≥ 12C-1H mode degeneracy triple
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)
1300 ± 4 - - ia ia 77.0
Band assignment #1
Assignment
Label
ν4
Category
fundamental vibration

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 mode degeneracy triple
Primary specie
12CH4

Vibration modes

Label (type)
ν4 (deformation)       Bond: ≥ 12C-1H
Texture
crystal

Temperature

Temperature
77.0 ± 1.0 K
Formation temperature
90.7 K
Temperature max
90.7 K
Sample orientation mode
unoriented
Polarization orientation mode
depolarized
Comments
Hg lines
Method #1
spectrum measurement
Method #2
spectrum measurement
Peak
1300 ± 4 cm-1 (extrapolated)
Evaluation
undefined
Quality
C
Comments
value from IR
Quality
undefined
Method
extrapolated
Strength
inactive (ia)
Evaluation
validated
Quality
undefined
Method
extrapolated
Strength
inactive (ia)
Evaluation
validated
Quality
undefined
Publication