Band
Title
4617.0 cm-1: 2ν1 of 14N2 in natural N2 - phase alpha
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
1 stretching 14N2 N2 14N≡ 14N no
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)
4617 ± 0.5 1.4 ± 0.15 gaussian 0.0045 ± 0.001 0.01 ew 0.0042 ± 0.001 ew 20.0
Label
1
Category
overtone vibration
Method
comparison with fundamental band

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 no

Vibration modes

Label (type)
1 (stretching)       Bond: 14N≡ 14N
Texture
crystal

Temperature

Temperature
20.0 ± 5.0 K
Formation temperature
35.6 K
Temperature max
35.6 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
isolated
Center
4617 ± 0.5 cm-1 (half-max center)
Evaluation
validated
Quality
A
FWHM
1.4 ± 0.15 cm-1 (fwhm)
Shape
gaussian
Evaluation
validated
Quality
A
Method
fit intensity
Absorption coefficient
0.0045 ± 0.001 cm-1
Relative intensity
0.01 ± 0.002
Strength
extremely weak (ew)
Evaluation
validated
Quality
D
Method
fit integrated intensity
Absorption coefficient
0.0042 ± 0.001 cm-2
Strength
extremely weak (ew)
Evaluation
validated
Quality
D