Band
Title
474.0 cm-1: νLxyTxy (F) ? of NH3 in natural NH3 - phase I
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
νLxyTxy (F) ? F combination 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)
476 ± 1 - - undefined s 20.0
474 ± 1 - - undefined 2000 ± 250 0.042 s s 90.0
Label
νLxyTxy (F) ?
Symmetry
F
Category
combination
Method
BS

Evaluation

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

Rotation modes

Label (type)
νL (libration)
Comments
F

Phonon modes

Label (type)
νTxy (translation)
Comments
F
Texture
film

Temperature

Temperature
20.0 ± 10.0 K
Method #1
spectrum measurement
Overlap
strongly blended
Peak
476 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
Shape
undefined
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
474 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
Shape
undefined
Evaluation
undefined
Method
estimated
Absorption coefficient
2000 ± 250 cm-1
Relative intensity
0.042 ± 0.005
Strength
strong (s)
Evaluation
undefined
Quality
D
Comments
estimation compared to 534 cm-1
Method
estimated
Strength
strong (s)
Evaluation
undefined