Band
Title
3963.0 cm-1: ν1L of 1H2 16O and ν3L of 1H2 16O and 2ν2L of 1H2 16O in natural H2O - phase Ih
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν1L combination H2 16O H2O -16O-1H no no unknown
ν3L combination H2 16O H2O -16O-1H no no unknown
2L combination H2 16O H2O 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)
3961 ± 5 540 undefined 27 ± 1.5 m 10.0
3963 ± 5 564 undefined 29.1 ± 1.5 m 100.0
3963 ± 5 580 undefined 30.6 ± 1.5 0.00125 m 140.0
3958 ± 5 653 undefined 36.8 ± 1 m 270.0
Label
ν1L
Category
combination

Evaluation

Level
partly assigned
Evaluation
undefined
Comments
Ockman 1957
# 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)
νL (libration)
Label
ν3L
Category
combination

Evaluation

Level
partly assigned
Evaluation
undefined
Comments
Ockman 1957
# Multiplicity type Degeneracy Other band
1 no no
Contribution level
unknown

Vibration modes

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

Rotation modes

Label (type)
νL (libration)
Label
2L
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)
2 (bending)       Bond: H2 16O

Rotation modes

Label (type)
νL (libration)

Temperature

Temperature
10.0 ± 10.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
strongly blended
Center
3961 ± 5 cm-1 (fit center)
Evaluation
validated
Quality
C
FWHM
540 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
27 ± 1.5 cm-1
Strength
medium (m)
Evaluation
validated
Quality
C

Temperature

Temperature
100.0 ± 10.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
strongly blended
Center
3963 ± 5 cm-1 (fit center)
Evaluation
validated
Quality
C
FWHM
564 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
29.1 ± 1.5 cm-1
Strength
medium (m)
Evaluation
validated
Quality
C

Temperature

Temperature
140.0 ± 10.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
strongly blended
Center
3963 ± 5 cm-1 (fit center)
Evaluation
validated
Quality
C
FWHM
580 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
30.6 ± 1.5 cm-1
Relative intensity
0.00125 ± 6.0e-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
3958 ± 5 cm-1 (fit center)
Evaluation
validated
Quality
C
FWHM
653 cm-1 (fit fwhm)
Shape
undefined
Evaluation
validated
Method
fit intensity
Absorption coefficient
36.8 ± 1 cm-1
Strength
medium (m)
Evaluation
validated
Quality
B