Band
Title
4198.3 cm-1: 2ν1 of 12C17O in natural CO - phase alpha
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
1 stretching 12C17O CO 12C⁻≡ 17O⁺ 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)
4198.3 ± 0.2 - 2.6 ± 0.1 gaussian 0.27 ± 0.02 3.2e-06 vw 0.75 ± 0.1 3.1e-06 vvw 21.0
Label
1
Category
overtone vibration
Method
comparison with gas phase

Evaluation

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

Vibration modes

Label (type)
1 (stretching)       Bond: 12C⁻≡ 17O⁺

Temperature

Temperature
21.0 ± 1.0 K
Formation temperature
21.0 K
Temperature max
21.0 K
Method #1
spectrum fit
Fit function
Gaussian
Overlap
isolated
Peak
4198.3 ± 0.2 cm-1 (fit peak)
Evaluation
validated
Quality
A
Comments
position sensitive to the formation conditions of α-CO
FWHM
2.6 ± 0.1 cm-1 (fwhm)
Shape
gaussian
Evaluation
validated
Quality
A
Method
fit intensity
Absorption coefficient
0.27 ± 0.02 cm-1
Specific abs. coefficient
720 ± 50 cm-1
Relative intensity
3.2e-06 ± 3.0e-07
Strength
very weak (vw)
Evaluation
undefined
Quality
C
Method
width x peak intensity
Absorption coefficient
0.75 ± 0.1 cm-2
Specific abs. coefficient
2000 ± 270 cm-2
Relative intensity
3.1e-06 ± 4e-07
Strength
very very weak (vvw)
Evaluation
validated
Quality
D