Methanone, dicyclopropyl-, protonated

• Formula: C₇H₁₁O⁺
• Molecular weight: 111.1611
• Information on this page:
  • Reaction thermochemistry data
  • References
  • Notes
• Other data available:
  • Ion clustering data
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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 by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Individual Reactions

(C₇H₁₁O⁺  3) +  = (C₇H₁₁O⁺  4)

By formula: (C₇H₁₁O⁺  3H₂O) + H₂O = (C₇H₁₁O⁺  4H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
rH°	38.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated
Quantity	Value	Units	Method	Reference	Comment
rS°	87.0	J/mol*K	N/A	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated

Free energy of reaction

rG° (kJ/mol)	T (K)	Method	Reference	Comment
15.	269.	PHPMS	Meot-Ner (Mautner), 1984	gas phase; Entropy change calculated or estimated

(C₇H₁₁O⁺  2) +  = (C₇H₁₁O⁺  3)

By formula: (C₇H₁₁O⁺  2H₂O) + H₂O = (C₇H₁₁O⁺  3H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
rH°	37.	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase
Quantity	Value	Units	Method	Reference	Comment
rS°	71.5	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase

(C₇H₁₁O⁺  ) +  = (C₇H₁₁O⁺  2)

By formula: (C₇H₁₁O⁺  H₂O) + H₂O = (C₇H₁₁O⁺  2H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
rH°	46.9	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase
Quantity	Value	Units	Method	Reference	Comment
rS°	93.3	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase

C₇H₁₁O⁺ +  = (C₇H₁₁O⁺  )

By formula: C₇H₁₁O⁺ + H₂O = (C₇H₁₁O⁺  H₂O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity	Value	Units	Method	Reference	Comment
rH°	69.0	kJ/mol	PHPMS	Meot-Ner (Mautner), 1984	gas phase
Quantity	Value	Units	Method	Reference	Comment
rS°	109.	J/mol*K	PHPMS	Meot-Ner (Mautner), 1984	gas phase

C₇H₁₁O⁺ +  = (C₇H₁₁O⁺  )

By formula: C₇H₁₁O⁺ + CHN = (C₇H₁₁O⁺  CHN)

Quantity	Value	Units	Method	Reference	Comment
rH°	73.6	kJ/mol	PHPMS	Speller and Meot-Ner (Mautner), 1985	gas phase
Quantity	Value	Units	Method	Reference	Comment
rS°	97.1	J/mol*K	PHPMS	Speller and Meot-Ner (Mautner), 1985	gas phase

C₇H₁₁O⁺ +  = (C₇H₁₁O⁺  )

By formula: C₇H₁₁O⁺ + C₂H₃N = (C₇H₁₁O⁺  C₂H₃N)

Free energy of reaction

rG° (kJ/mol)	T (K)	Method	Reference	Comment
59.8	320.	ICR	Bromilow, Abboud, et al., 1980	gas phase; switching reaction,n((CH3)2OH+)(CH3)2O; Grimsrud and Kebarle, 1973

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.

Meot-Ner (Mautner), 1984
Meot-Ner (Mautner), M., The Ionic Hydrogen Bond and Ion Solvation. 2. Hydration of Onium Ions by 1 - 7 H2O Molecules. Relations Between Monomolecular, Specific and Bulk Hydration, J. Am. Chem. Soc., 1984, 106, 5, 1265, https://doi.org/10.1021/ja00317a016 . [all data]

Speller and Meot-Ner (Mautner), 1985
Speller, C.V.; Meot-Ner (Mautner), M., The Ionic Hydrogen Bond and Ion Solvation. 3. Bonds Involving Cyanides. Correlations with Proton Affinites, J. Phys. Chem., 1985, 81, 24, 5217, https://doi.org/10.1021/j100270a020 . [all data]

Bromilow, Abboud, et al., 1980
Bromilow, J.; Abboud, J.L.M.; Lebrilla, C.B.; Taft, R.W.; Scorrano, G.; Lucchini, V., Oxonium Ions. Solvation by Single Acetonitrile Molecules in the Gas Phase and by Bulk Solvents, J. Am. Chem. Soc., 1980, 103, 18, 5448, https://doi.org/10.1021/ja00408a028 . [all data]

Grimsrud and Kebarle, 1973
Grimsrud, E.P.; Kebarle, P., Gas Phase Ion Equilibria Studies of the Solvation of the Hydrogen Ion by Methanol, Dimethyl Ether and Water. Effect of Hydrogen Bonding, J. Am. Chem. Soc., 1973, 95, 24, 7939, https://doi.org/10.1021/ja00805a002 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, References

• Symbols used in this document:
  

  T	Temperature
  rG°	Free energy of reaction at standard conditions
  rH°	Enthalpy of reaction at standard conditions
  rS°	Entropy of reaction at standard conditions

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