Band
Title
49.0 cm-1: νT (Tu⁻) of 14N2 in natural N2 - phase alpha
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νT (Tu⁻) Tu translation 14N2 N2 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)
49 ± 0.5 0.4 ± 0.1 gaussian vw 10.0
Label
νT (Tu⁻)
Symmetry
Tu
Category
phonon mode

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 unknown

Phonon modes

Label (type)
νT (translation)
Comments
Tu
Texture
crystal

Temperature

Temperature
10.0 ± 5.0 K
Formation temperature
35.6 K
Temperature max
35.6 K
Method #1
spectrum fit
Fit function
Voigt
Overlap
isolated
Center
49 ± 0.5 cm-1 (half-max center)
Evaluation
validated
Quality
A
FWHM
0.4 ± 0.1 cm-1 (fwhm)
Shape
gaussian
Evaluation
validated
Quality
A
Method
extrapolated
Strength
very weak (vw)
Evaluation
undefined