Band
Title
2931.0 cm-1: ν9 of 12C1H316O1H in natural CH3OH - phase alpha
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν9 A" stretching asym. 12CH316OH CH3OH 12C-1H 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)
2931 ± 0.3 - 13 ± 2 symmetric 0.04 s 35.0
2928 ± 1.5 - - symmetric 0.013 m 120.0
Label
ν9
Symmetry
A"
Category
fundamental vibration
Method
comparison with gas phase

Evaluation

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

Vibration modes

Label (type)
ν9 (stretching asym.)       Bond: 12C-1H

Temperature

Temperature
35.0 ± 5.0 K
Method #1
spectrum measurement: direct measurement on the absorbance spectrum, manual linear baseline for peak intensity and FWHM
Overlap
isolated
Peak
2931 ± 0.3 cm-1 (peak)
Evaluation
validated
Quality
A
FWHM
13 ± 2 cm-1 (hwhm)
Shape
symmetric
Evaluation
validated
Quality
D
Method
peak intensity
Relative intensity
0.04 ± 0.01
Strength
strong (s)
Evaluation
undefined
Quality
E

Temperature

Temperature
120.0 ± 10.0 K
Method #1
spectrum measurement: direct measurement on the absorbance spectrum, manual linear baseline for peak intensity and FWHM
Overlap
isolated
Peak
2928 ± 1.5 cm-1 (peak)
Evaluation
validated
Quality
B
Shape
symmetric
Evaluation
validated
Method
peak intensity
Relative intensity
0.013 ± 0.005
Strength
medium (m)
Evaluation
undefined
Quality
E