Band
Title
4997.0 cm-1: ν1+2νL of 1H2 16O and ν3+2νL of 1H2 16O and ν12 of 1H2 16O and ν23 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
ν3+2νL combination H2 16O H2O -16O-1H no no unknown
ν12 combination vibration H2 16O H2O -16O-1H
H2 16O
no no unknown
ν23 combination vibration H2 16O H2O H2 16O
-16O-1H
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)
4949 ± 20 260 undefined 46 ± 2 m 10.0
4977 ± 20 263 undefined 48.1 ± 2 m 100.0
4997 ± 20 256 undefined 48.3 ± 2 0.002 m 140.0
5094 ± 20 192.5 undefined 46.4 ± 2 m 270.0
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
out-of-phase

Rotation modes

Label (type)
L (libration)
Label
ν3+2νL
Category
combination

Evaluation

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

Vibration modes

Label (type)
ν3 (stretching asym.)       Bond: -16O-1H
Comments
LO

Rotation modes

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

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
out-of-phase
Label
ν23
Category
combination vibration

Evaluation

Level
uncertain assignment
Evaluation
uncertain
Comments
Ockman 1957
# Multiplicity type Degeneracy Other band
1 no no
Contribution level
unknown
Contribution comments
minor contribution ?

Vibration modes

Label (type)
ν2 (bending)       Bond: H2 16O
ν3 (stretching asym.)       Bond: -16O-1H

Temperature

Temperature
10.0 ± 10.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
strongly blended
Center
4949 ± 20 cm-1 (fit center)
Evaluation
validated
Quality
E
FWHM
260 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
46 ± 2 cm-1
Strength
medium (m)
Evaluation
validated
Quality
B

Temperature

Temperature
100.0 ± 10.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
strongly blended
Center
4977 ± 20 cm-1 (fit center)
Evaluation
validated
Quality
E
FWHM
263 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
48.1 ± 2 cm-1
Strength
medium (m)
Evaluation
validated
Quality
B

Temperature

Temperature
140.0 ± 10.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
strongly blended
Center
4997 ± 20 cm-1 (fit center)
Evaluation
validated
Quality
E
FWHM
256 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
48.3 ± 2 cm-1
Relative intensity
0.002 ± 8.0e-05
Strength
medium (m)
Evaluation
validated
Quality
B

Temperature

Temperature
270.0 ± 10.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
strongly blended
Center
5094 ± 20 cm-1 (fit center)
Evaluation
validated
Quality
E
FWHM
192.5 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
46.4 ± 2 cm-1
Strength
medium (m)
Evaluation
validated
Quality
B