Band
Title
3212.0 cm-1: ν1 of NH3 in natural NH3 - phase I
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν1 F stretching sym. NH3 NH3 >N-H 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)
3207.5 ± 2.5 - - asymmetric s 20.0
3212 ± 3 - 15 ± 5 asymmetric 200 ± 20 0.0042 s s 90.0
Label
ν1
Symmetry
F
Category
fundamental vibration

Evaluation

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

Vibration modes

Label (type)
ν1 (stretching sym.)       Bond: >N-H
Comments
F
Texture
film

Temperature

Temperature
20.0 ± 10.0 K
Method #1
spectrum measurement
Overlap
strongly blended
Peak
3207.5 ± 2.5 cm-1 (peak)
Evaluation
validated
Quality
B
Shape
asymmetric
Evaluation
undefined
Method
estimated
Strength
strong (s)
Evaluation
undefined
Texture
film

Temperature

Temperature
90.0 ± 15.0 K
Method #1
spectrum measurement
Overlap
strongly blended
Peak
3212 ± 3 cm-1 (peak)
Evaluation
validated
Quality
C
FWHM
15 ± 5 cm-1 (fwhm)
Shape
asymmetric
Evaluation
undefined
Quality
E
Method
baseline corrected peak intensity
Absorption coefficient
200 ± 20 cm-1
Relative intensity
0.0042 ± 4.0e-04
Strength
strong (s)
Evaluation
undefined
Quality
D
Method
estimated
Strength
strong (s)
Evaluation
undefined