O2C(CH2)4CO2 dianion

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

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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

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

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]

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]

Notes

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• Symbols used in this document:
  

  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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