Band
Title
1248.0 cm-1: ν2+νTxy of NH3 in NH3 - phase I
Band type
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν2+νTxy combination vibration 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)
1248 ± 1 - 16 ± 5 undefined 35 ± 10 7.0e-04 m vw 90.0
Band assignment #1
Assignment
Label
ν2+νTxy
Category
combination vibration

Evaluation

Level
fully assigned
Evaluation
undefined
Comments
from SSHADE
# Multiplicity type Degeneracy Other band
1 no
Primary specie
NH3

Vibration modes

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

Phonon modes

Label (type)
nuTxy (translation)
Texture
film

Temperature

Temperature
90.0 ± 15.0 K
Comments
condensed or annealed above 80K
Method #1
spectrum measurement
Overlap
moderately blended
Peak
1248 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
FWHM
16 ± 5 cm-1 (fwhm)
Shape
undefined
Evaluation
undefined
Quality
E
Method
baseline corrected peak intensity
Absorption coefficient
35 ± 10 cm-1
Relative intensity
7.0e-04 ± 2.0e-04
Strength
medium (m)
Evaluation
undefined
Quality
E
Method
estimated
Strength
very weak (vw)
Evaluation
undefined
Quality
undefined
Publications
External spectrum
Comments
nu2+3nu6