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Molecules

H2

HF

HCl

HBr

HI

F2

Cl2

Br2

I2

N2

O2

CO2

H2O

ONF

NH3

HCN

ICN

OCS

CH2O

HCO2H

CH4

Cl2O

CH2Cl2 (Details Available)

C2H2

C2H4

cis-C2H2Cl2

trans-C2H2Cl2

C6H6

Other

Glossary

 

Acetylene, C2H2

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C-H symmetric stretching C-H asymmetric stretching C-C stretching
3476 cm-1
(IR inactive)
(Raman active)		 3423 cm-1
(IR intensity = 1.0)
(Raman inactive)		 2181 cm-1
(IR inactive)
(Raman active)
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H-C-C-H wagging H-C-C-H wagging C-C-H bending
929 cm-1
(IR intensity = 0.37)
(Raman inactive)		 929 cm-1
(IR intensity = 0.37)
(Raman inactive)		 805 cm-1
(IR inactive)
(Raman active)
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C-C-H bending
805 cm-1
(IR inactive)
(Raman active)