Band
Title
51550.0 cm-1: Ã1 A"2 ← X1 A'1 of NH3 in natural NH3 - phase I
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
Ã1 A"2 ← X1 A'1 unknown 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)
51550 ± 300 - 500 ± 250 sharp shoulder 7500 ± 2500 0.155 vs es 20.0
Label
Ã1 A"2 ← X1 A'1
Category
electronic transition

Evaluation

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

Electronic modes

Label (type)
Ã1 A"2 ← X1 A'1 (unknown)
Texture
film

Temperature

Temperature
20.0 ± 10.0 K
Method #1
spectrum measurement
Overlap
shoulder-tail
Peak
51550 ± 300 cm-1 (peak)
Evaluation
validated
Quality
E
FWHM
500 ± 250 cm-1 (estimated)
Shape
sharp shoulder
Evaluation
undefined
Quality
E
Method
baseline corrected peak intensity
Absorption coefficient
7500 ± 2500 cm-1
Relative intensity
0.155 ± 0.05
Strength
very strong (vs)
Evaluation
undefined
Quality
E
Method
estimated
Strength
extremely strong (es)
Evaluation
undefined
Comments
~4e6 cm-2