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MoleculesSolids
  • 3D structure: Jmol
  • Molecular Properties
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Related Molecules

  • HCCH
    Ethyne
  • C2Cl2
    Dichloro Acetylene
Ethyne HCCH
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Molecular Electrostatic Potential (MEP)

Molecular Vibrations

IR spectrum

Click on an IR absorption to see the vibration in the molecular structure.

Symmetry Elements for Point Group D∞h

Molecular Orbitals

Smiles: C#C
Mol. Weight: 26.037
IUPAC name: acetylene
Charge: 0
InChi: InChI=1S/C2H2/c1-2/h1-2H
Link to:Pubchem CID:6326

Additional Information

The molecular structure has been optimized at the B3LYP/6-31g* level of theory. Charges used for electrostatic maps are computed using the NBO method. The molecular vibrations are the eigenvectors of the Hessian of the potential.

The symmetry group was detected using Serguei Patchkovskii's code (http://www.cobalt.chem.ucalgary.ca/ps/symmetry/)

Most of the Jmol drawing capabilities (Symmetry, Electrostatic Maps, Vibrations and others) are developed by Bob Hanson and the Jmol community of developers.