Band
Title
4810.0 cm-1: ν1+2νL of 1H2 16O and 2ν2+2νL of 1H2 16O and ν12 of 1H2 16O in natural H2O - phase Ih
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν1+2νL combination H2 16O H2O -16O-1H no no unknown
2+2νL combination H2 16O H2O H2 16O no no unknown
ν12 combination H2 16O H2O -16O-1H
H2 16O
no no unknown
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)
4810 ± 20 140 undefined 29 ± 1.5 m 10.0
Label
ν1+2νL
Category
combination

Evaluation

Level
partly assigned
Evaluation
undefined
# Multiplicity type Degeneracy Other band
1 no no
Contribution level
unknown

Vibration modes

Label (type)
ν1 (stretching sym.)       Bond: -16O-1H
Comments
in-phase

Rotation modes

Label (type)
L (libration)
Label
2+2νL
Category
combination

Evaluation

Level
uncertain assignment
Evaluation
uncertain
# Multiplicity type Degeneracy Other band
1 no no
Contribution level
unknown

Vibration modes

Label (type)
2 (bending)       Bond: H2 16O

Rotation modes

Label (type)
L (libration)
Label
ν12
Category
combination

Evaluation

Level
uncertain assignment
Evaluation
uncertain
# Multiplicity type Degeneracy Other band
1 no no
Contribution level
unknown
Contribution comments
minor contribution ?

Vibration modes

Label (type)
ν1 (stretching sym.)       Bond: -16O-1H
ν2 (bending)       Bond: H2 16O
Comments
in-phase

Temperature

Temperature
10.0 ± 10.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
strongly blended
Center
4810 ± 20 cm-1 (fit center)
Evaluation
validated
Quality
E
FWHM
140 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
29 ± 1.5 cm-1
Strength
medium (m)
Evaluation
validated
Quality
C