Molecule
- Name
- Ethane
- IUPAC name
- Ethane
- Secondary names
- Methylmethane, Bimethyl, Dimethyl, Ethyl hydride, C2H6
- InChI
- InChI=1S/C2H6/c1-2/h1-2H3
- InChI key
- OTMSDBZUPAUEDD-UHFFFAOYSA-N
- CAS number
- 74-84-0
- Comments
- natural $C_2H_6$
- Formula
- $C_2H_6$
- Chemical formula
- C2H6
- Structural formula
- [CH3][CH3]
- Charge
- 0
- Unpaired electrons
- 0
- Relations
-
- no
- Isotope mixture type
- terrestrial abundance
- Spin type
- equilibrated
- Molar mass
- 30.069 $g/mol$
- State STP
- gas
- Protic
- aprotic
- Polarity
- nonpolar
- Dipole
- 0.0 $D$
- Molecule symmetry
- D3d
- Case
- nonlinear-polyatomic
- Vibrations number
- 12
- Vibrations
-
Label Mode Bond Symmetry Degeneracy Fundamental frequency Observed frequency Observed frequency Harmonic frequency Activity IR Activity Raman Strength Comments V1 stretching sym. $-C \leq H_3$ $A_{1}$ no 2954.0 inactive active ia Raman: 2953.7 $cm^{-1}$ V2 bending sym. $-C \leq H_3$ $A_{1}$ no 1388.0 inactive active ia Raman: 1388.4 $cm^{-1}$ V3 stretching $\geq C-C \leq$ $A_{1}$ no 995.0 inactive active ia Raman: 994.8 $cm^{-1}$ V4 deformation $C_2H_6$ $A_{1}$ no 289.0 289.0 active inactive V5 stretching sym. $-C \leq H_3$ $A_{2}$ no 2896.0 2895.8 active inactive V6 bending sym. $-C \leq H_3$ $A_{2}$ no 1379.0 1379.2 active inactive V7 stretching $-C \leq H_3$ $E$ double 2969.0 inactive active ia Raman: 2968.7 $cm^{-1}$ - intensity is 'vs' in "BaseMol database" 2002 (J. Crovisier)! V8 deformation $-C \leq H_3$ $E$ double 1468.0 inactive active ia Raman: 1468.1 $cm^{-1}$ V9 bending asym. in-p (rocking) $-C \leq H_3$ $E$ double 1190.0 inactive active ia fundamental frequency determined from an overtone or combination V10 stretching $-C \leq H_3$ $E$ double 2985.0 2985.4 active inactive inactive (?) in "BaseMol database" 2002 (J. Crovisier) V11 deformation $-C \leq H_3$ $E$ double 1469.0 1469.0 active inactive Fermi resonance with $\nu_4+\nu_12$ - inactive (?) in "BaseMol database" 2002 (J. Crovisier) V12 bending asym. in-p (rocking) $-C \leq H_3$ $E$ double 822.0 821.6 active inactive s intensity from "BaseMol database" 2002 (J. Crovisier) - Comments
- Vibrations of the main isotope: $^{12}C_2H_6$. Data from NIST Chemistry WebBook
- Publications