Cyclopropanecarboxaldehyde


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: John E. Bartmess

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

C4H5O- + Hydrogen cation = Cyclopropanecarboxaldehyde

By formula: C4H5O- + H+ = C4H6O

Quantity Value Units Method Reference Comment
Δr1631. ± 21.kJ/molG+TSBaschky, Peterson, et al., 1994gas phase; Between D2O and PhF. Cis and Trans anions do not interconvert and have same expt. acidity.
Quantity Value Units Method Reference Comment
Δr1598. ± 21.kJ/molIMRBBaschky, Peterson, et al., 1994gas phase; Between D2O and PhF. Cis and Trans anions do not interconvert and have same expt. acidity.

C4H5O- + Hydrogen cation = Cyclopropanecarboxaldehyde

By formula: C4H5O- + H+ = C4H6O

Quantity Value Units Method Reference Comment
Δr1572. ± 8.8kJ/molG+TSChou, Dahlke, et al., 1993gas phase; barrier for opening to CH2=C(CHO)CH2-: 29 kcal/mol.
Quantity Value Units Method Reference Comment
Δr1543. ± 8.4kJ/molIMREChou, Dahlke, et al., 1993gas phase; barrier for opening to CH2=C(CHO)CH2-: 29 kcal/mol.

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

View reactions leading to C4H6O+ (ion structure unspecified)

De-protonation reactions

C4H5O- + Hydrogen cation = Cyclopropanecarboxaldehyde

By formula: C4H5O- + H+ = C4H6O

Quantity Value Units Method Reference Comment
Δr1631. ± 21.kJ/molG+TSBaschky, Peterson, et al., 1994gas phase; Between D2O and PhF. Cis and Trans anions do not interconvert and have same expt. acidity.
Quantity Value Units Method Reference Comment
Δr1598. ± 21.kJ/molIMRBBaschky, Peterson, et al., 1994gas phase; Between D2O and PhF. Cis and Trans anions do not interconvert and have same expt. acidity.

C4H5O- + Hydrogen cation = Cyclopropanecarboxaldehyde

By formula: C4H5O- + H+ = C4H6O

Quantity Value Units Method Reference Comment
Δr1572. ± 8.8kJ/molG+TSChou, Dahlke, et al., 1993gas phase; barrier for opening to CH2=C(CHO)CH2-: 29 kcal/mol.
Quantity Value Units Method Reference Comment
Δr1543. ± 8.4kJ/molIMREChou, Dahlke, et al., 1993gas phase; barrier for opening to CH2=C(CHO)CH2-: 29 kcal/mol.

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Chemical Concepts
NIST MS number 162751

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References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes

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

Baschky, Peterson, et al., 1994
Baschky, M.C.; Peterson, K.C.; Kass, S.R., Stereospecificity in the gas phase. Formation and characterization of configurationally stable cyclopropyl anions, J. Am. Chem. Soc., 1994, 116, 16, 7218, https://doi.org/10.1021/ja00095a026 . [all data]

Chou, Dahlke, et al., 1993
Chou, P.K.; Dahlke, G.D.; Kass, S.R., Unimolecular Rearrangements of Carbanions in the Gas Phase .2. Cyclopropyl Anions, J. Chem. Soc. Chem. Comm., 1993, 115, 1, 315, https://doi.org/10.1021/ja00054a045 . [all data]


Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), References