- Formula: F2HN
- Molecular weight: 53.0114
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: ULFHSQLFQYTZLS-UHFFFAOYSA-N
- CAS Registry Number: 10405-27-3
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Difluoroamine; HNF2; Fluorimide
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Reaction thermochemistry data
Go To: Top, References, Notes
Data compiled by: John E. Bartmess
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F2N- + =
By formula: F2N- + H+ = HF2N
|rH°||1552. ± 8.8||kJ/mol||G+TS||Koppel, Taft, et al., 1994||gas phase; Exptl, not interpolated dHf(F2NH) from Gurvich, Veyts, et al., is used. It agrees far better with MO calns|
|rH°||1506. ± 8.8||kJ/mol||IMRE||Koppel, Pikver, et al., 1981||gas phase; This acidity disagrees with the authors' later( Koppel, Taft, et al., 1994) value by 10 kcal/mol, but agrees with G3(MP2) computations much better.The acidity of HNF2 is not well known therefore.|
|rH°||1530. ± 15.||kJ/mol||D-EA||Ruckhaberle, Lehmann, et al., 1997||gas phase|
|rG°||1520. ± 8.4||kJ/mol||IMRE||Koppel, Taft, et al., 1994||gas phase; Exptl, not interpolated dHf(F2NH) from Gurvich, Veyts, et al., is used. It agrees far better with MO calns|
|rG°||1474. ± 8.4||kJ/mol||H-TS||Koppel, Pikver, et al., 1981||gas phase; This acidity disagrees with the authors' later( Koppel, Taft, et al., 1994) value by 10 kcal/mol, but agrees with G3(MP2) computations much better.The acidity of HNF2 is not well known therefore.|
Go To: Top, Reaction thermochemistry data, Notes
Koppel, Taft, et al., 1994
Koppel, I.A.; Taft, R.W.; Anvia, F.; Zhu, S.Z.; Hu, L.Q.; Sung, K.S.; Desmarteau, D.D.; Yagupolskii, L.M., The Gas-Phase Acidities of Very Strong Neutral Bronsted Acids, J. Am. Chem. Soc., 1994, 116, 7, 3047, https://doi.org/10.1021/ja00086a038 . [all data]
Gurvich, Veyts, et al.
Gurvich, L.V.; Veyts, I.V.; Alcock, C.B., Hemisphere Publishing, NY, 1989, V. 1 2, Thermodynamic Properties of Individual Substances, 4th Ed. [all data]
Koppel, Pikver, et al., 1981
Koppel, I.; Pikver, R.; Sugis, A.; Suurmaa, E.; Lippmaa, E., FTICR Study of Structure and Solvent Effects on Basicity of Some Anions in the Gas Phase, Org. Reac., 1981, 18, 3. [all data]
Ruckhaberle, Lehmann, et al., 1997
Ruckhaberle, N.; Lehmann, L.; Matejcik, S.; Illenberger, E.; Bouteiller, Y.; Periquet, V.; Museur, L.; Desfran, Free Electron Attachment and Rydberg Electron Transfer to NF3 Molecules and Clusters, J. Phys. Chem. A, 1997, 101, 51, 9942, https://doi.org/10.1021/jp972422+ . [all data]
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
rG° Free energy of reaction at standard conditions rH° Enthalpy of reaction at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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