HCF radical anion


Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References, Notes

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

Quantity Value Units Method Reference Comment
Δfgas91. ± 13.kJ/molR-EAGilles, Ervin, et al., 1992Triplet state of neutral: 14.9±0.4 kcal/mol higher than singlet
Δfgas<115.9kJ/molIMRBDawson and Jennings, 1976O- + CH3F ->.

Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References, Notes

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

CHF- + Hydrogen cation = CH2F

By formula: CHF- + H+ = CH2F

Quantity Value Units Method Reference Comment
Δr1668. ± 6.3kJ/molG+TSBorn, Ingemann, et al., 1994gas phase; Between EtNH2 and Me2NH
Δr1650. ± 22.kJ/molD-EAGilles, Ervin, et al., 1992gas phase; Triplet state of neutral: 14.9±0.4 kcal/mol higher than singlet
Quantity Value Units Method Reference Comment
Δr1634. ± 5.9kJ/molIMRBBorn, Ingemann, et al., 1994gas phase; Between EtNH2 and Me2NH
Δr1616. ± 22.kJ/molH-TSGilles, Ervin, et al., 1992gas phase; Triplet state of neutral: 14.9±0.4 kcal/mol higher than singlet

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References, Notes

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

Protonation reactions

CHF- + Hydrogen cation = CH2F

By formula: CHF- + H+ = CH2F

Quantity Value Units Method Reference Comment
Δr1668. ± 6.3kJ/molG+TSBorn, Ingemann, et al., 1994gas phase; Between EtNH2 and Me2NH
Δr1650. ± 22.kJ/molD-EAGilles, Ervin, et al., 1992gas phase; Triplet state of neutral: 14.9±0.4 kcal/mol higher than singlet
Quantity Value Units Method Reference Comment
Δr1634. ± 5.9kJ/molIMRBBorn, Ingemann, et al., 1994gas phase; Between EtNH2 and Me2NH
Δr1616. ± 22.kJ/molH-TSGilles, Ervin, et al., 1992gas phase; Triplet state of neutral: 14.9±0.4 kcal/mol higher than singlet

Vibrational and/or electronic energy levels

Go To: Top, Gas phase thermochemistry data, 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 by: Marilyn E. Jacox

State:   ?


 Energy 
 (cm-1
 Med.   Transition   λmin 
 (nm) 
 λmax 
 (nm) 
 References

Td = 4370 ± 40 gas Murray, Leopold, et al., 1988
Gilles, Ervin, et al., 1992

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a' 3 CF stretch 720 ± 25 gas PE Murray, Leopold, et al., 1988
Gilles, Ervin, et al., 1992

Additional references: Jacox, 1994, page 47

Notes

dPhotodissociation threshold

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes

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

Gilles, Ervin, et al., 1992
Gilles, M.K.; Ervin, K.M.; Ho, J.; Lineberger, W.C., Negative Ion Photoelectron Spectroscopy of HCF-, HCCl-, HCBr-, and HCI- - Photoelectron Angular Distributions and Neutral Triplet Excitation, J. Phys. Chem., 1992, 96, 3, 1130, https://doi.org/10.1021/j100182a021 . [all data]

Dawson and Jennings, 1976
Dawson, J.H.J.; Jennings, K.R., Production of gas phase radical anions by reaction of O-. Ions with organic substrates, J. Chem. Soc. Faraday Trans. 2, 1976, 72, 700. [all data]

Born, Ingemann, et al., 1994
Born, M.; Ingemann, S.; Nibbering, N.M.M., Heats of formation of mono-halogen-substituted carbenes. Stability and reactivity of CHX(center dot-) (X=F, Cl, Pr, and I) radical anions, J. Am. Chem. Soc., 1994, 116, 16, 7210, https://doi.org/10.1021/ja00095a025 . [all data]

Murray, Leopold, et al., 1988
Murray, K.K.; Leopold, D.G.; Miller, T.M.; Lineberger, W.C., Photoelectron Spectroscopy of the Halocarbene Anions HCF-, HCCl-, HCBr-, HCI-, CF2-, and CCl2-, J. Chem. Phys., 1988, 89, 9, 5442, https://doi.org/10.1063/1.455596 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Vibrational and/or electronic energy levels, References