Deuterium

• Formula: D₂
• Molecular weight: 4.0282035556
• IUPAC Standard InChI: InChI=1S/H2/h1H/i1+1D Copy

  
• IUPAC Standard InChIKey: UFHFLCQGNIYNRP-VVKOMZTBSA-N Copy
• CAS Registry Number: 7782-39-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Isotopologues:
  • tritium
  • Hydrogen
  • deuterium hydride
• Other names: D2; UN 1957
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • Constants of diatomic molecules
  • Fluid Properties
• Data at other public NIST sites:
  • Computational Chemistry Comparison and Benchmark Database
  • Gas Phase Kinetics Database
• Options:
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Reaction 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.

Data compiled as indicated in comments:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  =

By formula: D^- + D⁺ = D₂

(D₃⁺ • 9) +  = (D₃⁺ • 10)

By formula: (D₃⁺ • 9D₂) + D₂ = (D₃⁺ • 10D₂)

(D₃⁺ • 2) +  = (D₃⁺ • 3)

By formula: (D₃⁺ • 2D₂) + D₂ = (D₃⁺ • 3D₂)

(D₃⁺ • 3) +  = (D₃⁺ • 4)

By formula: (D₃⁺ • 3D₂) + D₂ = (D₃⁺ • 4D₂)

(D₃⁺ • 4) +  = (D₃⁺ • 5)

By formula: (D₃⁺ • 4D₂) + D₂ = (D₃⁺ • 5D₂)

(D₃⁺ • 5) +  = (D₃⁺ • 6)

By formula: (D₃⁺ • 5D₂) + D₂ = (D₃⁺ • 6D₂)

(D₃⁺ • 6) +  = (D₃⁺ • 7)

By formula: (D₃⁺ • 6D₂) + D₂ = (D₃⁺ • 7D₂)

(D₃⁺ • 7) +  = (D₃⁺ • 8)

By formula: (D₃⁺ • 7D₂) + D₂ = (D₃⁺ • 8D₂)

(D₃⁺ • 8) +  = (D₃⁺ • 9)

By formula: (D₃⁺ • 8D₂) + D₂ = (D₃⁺ • 9D₂)

(D₃⁺ • ) +  = (D₃⁺ • 2)

By formula: (D₃⁺ • D₂) + D₂ = (D₃⁺ • 2D₂)

D₃⁺ +  = (D₃⁺ • )

By formula: D₃⁺ + D₂ = (D₃⁺ • D₂)

 +  = ( • )

By formula: Co⁺ + D₂ = (Co⁺ • D₂)

Enthalpy of reaction

References

Go To: Top, Reaction thermochemistry data, Notes

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

Shiell, Hu, et al., 2000
Shiell, R.C.; Hu, X.K.; Hu, Q.C.J.; Hepburn, J.W., Threshold Ion-pair Production spectroscopy (TIPPS) of H2 and D2, Faraday Disc. Chem. Soc., 2000, 115, 331, https://doi.org/10.1039/a909428h . [all data]

Lykke, Murray, et al., 1991
Lykke, K.R.; Murray, K.K.; Lineberger, W.C., Threshold Photodetachment of H-, Phys. Rev. A, 1991, 43, 11, 6104, https://doi.org/10.1103/PhysRevA.43.6104 . [all data]

Gurvich, Veyts, et al.
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B., Hemisphere Publishing, NY, 1989, V. 1 2, Thermodynamic Properties of Individual Substances, 4th Ed. [all data]

Hiraoka and Mori, 1989
Hiraoka, K.; Mori, T., Thermochemical Stabilities of D3+(D2)n with n = 1 - 10, Chem. Phys. Lett., 1989, 157, 5, 467, https://doi.org/10.1016/0009-2614(89)87282-3 . [all data]

Haynes and Armentrout, 1996
Haynes, C.L.; Armentrout, P.B., Guided Ion Beam Determination of the Co+ - H2 Bond Dissociation energy, Chem Phys. Let., 1996, 249, 1-2, 64, https://doi.org/10.1016/0009-2614(95)01337-7 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  T	Temperature
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

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