H2F+

Formula: FH₂⁺
Molecular weight: 21.01373
CAS Registry Number: 12206-67-6
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Reaction thermochemistry data

Data compiled by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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Individual Reactions

(H₂F⁺ • ) + = (H₂F⁺ • 2)

By formula: (H₂F⁺ • HF) + HF = (H₂F⁺ • 2HF)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	14.8 ± 4.2	kcal/mol	PI	Tiedemann, Anderson, et al., 1979	gas phase

H₂F⁺ + = (H₂F⁺ • )

By formula: H₂F⁺ + HF = (H₂F⁺ • HF)

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	25.1 ± 2.5	kcal/mol	PI	Tiedemann, Anderson, et al., 1979	gas phase

References

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Tiedemann, Anderson, et al., 1979
Tiedemann, P.W.; Anderson, S.L.; Ceyer, S.T.; Hirooka, T.; Ng, C.Y.; Mahan, B.H.; Lee, Y.T., Proton affinities of hydrogen halides determined by the molecular beam photoionization method, J. Chem. Phys., 1979, 71, 605. [all data]

Notes

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Symbols used in this document:

Δ_rH° Enthalpy of reaction at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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