Hydrogen cation

• Formula: H₂⁺
• Molecular weight: 2.01533
• IUPAC Standard InChI: InChI=1S/H2/h1H/q+1 Copy

  
• IUPAC Standard InChIKey: ZZIJOQHRUPVPQC-UHFFFAOYSA-N Copy
• CAS Registry Number: 12184-90-6
• Chemical structure:
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• Information on this page:
  • Gas phase thermochemistry data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
  • Ion clustering data
  • Constants of diatomic molecules
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Gas phase thermochemistry data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, References

• Symbols used in this document:
  

  S°gas,1 bar

  Entropy of gas at standard conditions (1 bar)

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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