O2C(CH2)4CO2 dianion

• Formula: C₆H₈O₄^-2
• Molecular weight: 144.1264
• CAS Registry Number: 764-65-8
• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Ion clustering data
  • References
  • Notes
• Options:
  • Switch to SI units

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

(C₆H₈O₄^-2 • 2) +  = (C₆H₈O₄^-2 • 3)

By formula: (C₆H₈O₄^-2 • 2H₂O) + H₂O = (C₆H₈O₄^-2 • 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

(C₆H₈O₄^-2 • 3) +  = (C₆H₈O₄^-2 • 4)

By formula: (C₆H₈O₄^-2 • 3H₂O) + H₂O = (C₆H₈O₄^-2 • 4H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

(C₆H₈O₄^-2 • 4) +  = (C₆H₈O₄^-2 • 5)

By formula: (C₆H₈O₄^-2 • 4H₂O) + H₂O = (C₆H₈O₄^-2 • 5H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

(C₆H₈O₄^-2 • 5) +  = (C₆H₈O₄^-2 • 6)

By formula: (C₆H₈O₄^-2 • 5H₂O) + H₂O = (C₆H₈O₄^-2 • 6H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

(C₆H₈O₄^-2 • ) +  = (C₆H₈O₄^-2 • 2)

By formula: (C₆H₈O₄^-2 • H₂O) + H₂O = (C₆H₈O₄^-2 • 2H₂O)

C₆H₈O₄^-2 +  = (C₆H₈O₄^-2 • )

By formula: C₆H₈O₄^-2 + H₂O = (C₆H₈O₄^-2 • H₂O)

C₆H₈O₄^-2 +  = C₆H₉O₄^-2

By formula: C₆H₈O₄^-2 + H⁺ = C₆H₉O₄^-2

Gas phase ion energetics 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 by: John E. Bartmess

Electron affinity of neutral species

Protonation reactions

C₆H₈O₄^-2 +  = C₆H₉O₄^-2

By formula: C₆H₈O₄^-2 + H⁺ = C₆H₉O₄^-2

Ion clustering data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C₆H₈O₄^-2 +  = C₆H₉O₄^-2

By formula: C₆H₈O₄^-2 + H⁺ = C₆H₉O₄^-2

C₆H₈O₄^-2 +  = (C₆H₈O₄^-2 • )

By formula: C₆H₈O₄^-2 + H₂O = (C₆H₈O₄^-2 • H₂O)

(C₆H₈O₄^-2 • ) +  = (C₆H₈O₄^-2 • 2)

By formula: (C₆H₈O₄^-2 • H₂O) + H₂O = (C₆H₈O₄^-2 • 2H₂O)

(C₆H₈O₄^-2 • 2) +  = (C₆H₈O₄^-2 • 3)

By formula: (C₆H₈O₄^-2 • 2H₂O) + H₂O = (C₆H₈O₄^-2 • 3H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

(C₆H₈O₄^-2 • 3) +  = (C₆H₈O₄^-2 • 4)

By formula: (C₆H₈O₄^-2 • 3H₂O) + H₂O = (C₆H₈O₄^-2 • 4H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

(C₆H₈O₄^-2 • 4) +  = (C₆H₈O₄^-2 • 5)

By formula: (C₆H₈O₄^-2 • 4H₂O) + H₂O = (C₆H₈O₄^-2 • 5H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

(C₆H₈O₄^-2 • 5) +  = (C₆H₈O₄^-2 • 6)

By formula: (C₆H₈O₄^-2 • 5H₂O) + H₂O = (C₆H₈O₄^-2 • 6H₂O)

Bond type: Hydrogen bond (negative ion to hydride)

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes

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

Blades, Klassen, et al., 1995
Blades, A.T.; Klassen, J.S.; Kebarle, P., Free Energies of Hydration in the Gas Phase on the Anions of Some Oxo Acids of C, N, S, P, Cl and I, J. Am. Chem. Soc., 1995, 117, 42, 10563, https://doi.org/10.1021/ja00147a019 . [all data]

Ding, Wang, et al., 1998
Ding, C.F.; Wang, X.B.; Wang, L.S., Photoelectron spectroscopy of doubly charged anions: Intramolecular Coulomb repulsion and solvent stabilization, J. Phys. Chem. A, 1998, 102, 45, 8633-8636, https://doi.org/10.1021/jp982698x . [all data]

Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References

• Symbols used in this document:
  

  EAneutral	Electron affinity of neutral species
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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