Band
Title
3907.0 cm-1: ν46 of C4H2 in C4H2 - phase I
Type
absorption
Assignments summary
Assignment Symmetry Mode Specie(s) Molecule/Atom Bond Multiplicity Degeneracy Contribution Resonance
ν46 combination vibration C4H2 C4H2 ≡ C-H
-C ≡ C-H
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)
3907 ± 1 - - undefined 0.019 s 10.0
3907 ± 1 - - undefined 0.0175 s 95.0
Label
ν46
Category
combination vibration

Evaluation

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

Vibration modes

Label (type)
ν4 (stretching asym.)       Bond: ≡ C-H
ν6 (bending sym.)       Bond: -C ≡ C-H
Texture
film

Temperature

Temperature
10.0 ± 1.0 K
Comments
annealed to 70-110K
Method #1
spectrum measurement
Overlap
strongly blended
Peak
3907 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
Shape
undefined
Evaluation
undefined
Quality
undefined
Method
baseline corrected peak intensity
Relative intensity
0.019 ± 0.001
Strength
strong (s)
Evaluation
undefined
Quality
C
Texture
film

Temperature

Temperature
95.0 ± 1.0 K
Comments
annealed to 70-110K
Method #1
spectrum measurement
Overlap
strongly blended
Peak
3907 ± 1 cm-1 (peak)
Evaluation
validated
Quality
B
Shape
undefined
Evaluation
undefined
Quality
undefined
Method
extrapolated
Relative intensity
0.0175 ± 0.001
Strength
strong (s)
Evaluation
undefined
Quality
C
Comments
extrapolated from 10K