Band
Title
1100.0 cm-1: ν2 of NH3 and 2νL of NH3 in natural NH3 - phase I
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν2 F deformation sym. NH3 NH3 NH3 no
L libration NH3 NH3 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)
1098 ± 2 - - unknown m 20.0
1100 ± 1 - 3 ± 1 sharp shoulder 150 ± 30 0.03 m m 90.0
Label
ν2
Symmetry
F
Category
fundamental vibration

Evaluation

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

Vibration modes

Label (type)
ν2 (deformation sym.)       Bond: NH3
Comments
F
Label
L
Category
overtone rotation

Evaluation

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

Rotation modes

Label (type)
L (libration)
Texture
film

Temperature

Temperature
20.0 ± 10.0 K
Method #1
spectrum measurement
Overlap
shoulder-tail
Peak
1098 ± 2 cm-1 (peak)
Evaluation
validated
Quality
B
Shape
unknown
Evaluation
undefined
Method
estimated
Strength
medium (m)
Evaluation
undefined
Texture
film

Temperature

Temperature
90.0 ± 15.0 K
Method #1
spectrum measurement
Overlap
shoulder-tail
Peak
1100 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
FWHM
3 ± 1 cm-1 (fwhm)
Shape
sharp shoulder
Evaluation
undefined
Quality
C
Method
baseline corrected peak intensity
Absorption coefficient
150 ± 30 cm-1
Relative intensity
0.03 ± 5.0e-04
Strength
medium (m)
Evaluation
undefined
Quality
D
Method
estimated
Strength
medium (m)
Evaluation
undefined