Band
Title
1141.0 cm-1: ν2+νL of NH3 in natural NH3 - phase I
Band type
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν2+νL combination NH3 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)
1145 ± 1 - - sharp shoulder m 20.0
1141 ± 2 - 8 ± 3 sharp shoulder 50 ± 15 0.001 m w 90.0
Band assignment #1
Assignment
Label
ν2+νL
Category
combination

Evaluation

Level
fully assigned
Evaluation
validated
# Multiplicity type Degeneracy Other band
1 no
Primary specie
NH3

Vibration modes

Label (type)
ν2 (deformation sym.)       Bond: NH3

Rotation modes

Label (type)
νL (libration)
Texture
film

Temperature

Temperature
20.0 ± 10.0 K
Method #1
spectrum measurement
Overlap
strongly blended
Peak
1145 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
Shape
sharp shoulder
Evaluation
undefined
Method
estimated
Strength
medium (m)
Evaluation
undefined
Texture
film

Temperature

Temperature
90.0 ± 15.0 K
Method #1
spectrum measurement
Overlap
strongly blended
Peak
1141 ± 2 cm-1 (peak)
Evaluation
validated
Quality
B
FWHM
8 ± 3 cm-1 (fwhm)
Shape
sharp shoulder
Evaluation
undefined
Quality
D
Method
baseline corrected peak intensity
Absorption coefficient
50 ± 15 cm-1
Relative intensity
0.001 ± 3.0e-04
Strength
medium (m)
Evaluation
undefined
Quality
E
Method
estimated
Strength
weak (w)
Evaluation
undefined
Publications
Comments
nu2+2nu6