Fluorine atom

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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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to F+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)17.42282eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)340.1kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity315.1kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
3.401191 ± 0.000026LPDBlondel, Delsart, et al., 2001Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol; B
3.40625D-EADrechsler, Boesl, et al., 1997Given: 129557.1±0.9 cm-1 at 0K (370.422±0.003). Corr to 298 with data in Gurvich, Veyts, et al. (=371.321); B
3.40118LPDBlondel, Cacciani, et al., 1989Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.; B
3.4480 ± 0.0050N/ABerry and Reimann, 1963B
3.48526N/ACheck, Faust, et al., 2001FeCl3-; ; «DELTA»S(EA)=5.0; B

Ionization energy determinations

IE (eV) Method Reference Comment
17.2EIVeljkovic, Neskovic, et al., 1992LL
17.42282EVALLide, 1992LL
17.423SKelly, 1987LBLHLM
17.418SPalenius, Huffman, et al., 1978LLK
17.431SPalenius, Huffman, et al., 1978LLK
17.47 ± 0.02PEDe Leeuw, Mooyman, et al., 1978LLK
17.42282SMoore, 1970RDSH

Anion protonation reactions

Fluorine anion + Hydrogen cation = hydrogen fluoride

By formula: F- + H+ = HF

Quantity Value Units Method Reference Comment
Deltar1555. ± 5.kJ/molAVGN/AAverage of 6 out of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Deltar1530.0 ± 0.75kJ/molH-TSBlondel, Delsart, et al., 2001gas phase; Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol; B
Deltar1529.4kJ/molH-TSMartin and Hepburn, 2000gas phase; Given: 371.334±0.003 kcal/mol (corr to 298K with data from Wagman, Evans, et al., 1982).H(0K)=370.422±0.003; B
Deltar1530.0 ± 0.75kJ/molH-TSBlondel, Cacciani, et al., 1989gas phase; Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.; B
Deltar1529. ± 8.4kJ/molIMREBierbaum, Schmidt, et al., 1981gas phase; B
Deltar1503.7kJ/molN/ACheck, Faust, et al., 2001gas phase; FeCl3-; ; «DELTA»S(EA)=5.0; B


Go To: Top, Gas phase ion energetics data, Notes

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

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Blondel, Delsart, et al., 2001
Blondel, C.; Delsart, C.; Goldfarb, F., Electron spectrometry at the mu eV level and the electron affinities of Si and F, J. Phys. B: Atom. Mol. Opt. Phys., 2001, 34, 9, L281-L288, https://doi.org/10.1088/0953-4075/34/9/101 . [all data]

Drechsler, Boesl, et al., 1997
Drechsler, G.; Boesl, U.; Bassmann, C.; Schlag, E.W., Mass selected anion-zero kinetic energy photoelectron spectroscopy (anion-ZEKE): Ground and low excited states of FeO, J. Chem. Phys., 1997, 107, 7, 2284-2291, https://doi.org/10.1063/1.474622 . [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]

Blondel, Cacciani, et al., 1989
Blondel, C.; Cacciani, P.; Delsart, C.; Trainham, R., High Resolution Determination of the Electron Affinity of Fluorine and Bromine using Crossed Ion and Laser Beams, Phys. Rev. A, 1989, 40, 7, 3698, https://doi.org/10.1103/PhysRevA.40.3698 . [all data]

Berry and Reimann, 1963
Berry, R.S.; Reimann, C.W., Absorption Spectrum of Gaseous Fluoride and the Electron Affinities of the Halogen Atoms, J. Chem. Phys., 1963, 38, 7, 1540, https://doi.org/10.1063/1.1776916 . [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

Veljkovic, Neskovic, et al., 1992
Veljkovic, M.V.; Neskovic, O.M.; Zmbov, K.F., Mass spectrometric study of the thermal decomposition of F2, J. Serb. Chem. Soc., 1992, 57, 753. [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Kelly, 1987
Kelly, R.L., Atomic and ionic spectrum lines of hydrogen through kryton, J. Phys. Chem. Ref. Data, 1987, 16. [all data]

Palenius, Huffman, et al., 1978
Palenius, H.P.; Huffman, R.E.; Larrabee, J.C.; Tanaka, Y., The absorption spectrum of fluorine F I observed with the helium continuum, J. Opt. Soc. Am., 1978, 68, 1564. [all data]

De Leeuw, Mooyman, et al., 1978
De Leeuw, D.M.; Mooyman, R.; De Lange, C.A., He(I) photoelectron spectroscopy of halogen atoms, Chem. Phys. Lett., 1978, 54, 231. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]

Martin and Hepburn, 2000
Martin, J.D.D.; Hepburn, J.W., Faraday Disc. Chem. Soc., 2000, 115, 416. [all data]

Wagman, Evans, et al., 1982
Wagman, D.D.; Evans, W.H.; Parker, V.B.; Schumm, R.H.; Halow, I.; Bailey, S.M.; Churney, K.L.; Nuttall, R.L., The NBS Tables of Chemical Thermodynamic Properties (NBS Tech Note 270), J. Phys. Chem. Ref. Data, Supl. 1, 1982, 11. [all data]

Bierbaum, Schmidt, et al., 1981
Bierbaum, V.M.; Schmidt, R.J.; DePuy, C.H.; Mead, R.H.; Schulz, P.A.; Lineberger, W.C., Reactions of carbanions with triplet and singlet molecular oxygen, J. Am. Chem. Soc., 1981, 103, 6262. [all data]


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