Fluorine atom
- Formula: F
- Molecular weight: 18.9984032
- IUPAC Standard InChIKey: YCKRFDGAMUMZLT-UHFFFAOYSA-N
- CAS Registry Number: 14762-94-8
- Chemical structure:
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Gas phase ion energetics data
Go To: Top, References, Notes
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) | 17.42282 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 81.29 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 75.31 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
3.401191 ± 0.000026 | LPD | Blondel, Delsart, et al., 2001 | Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol; B |
3.40625 | D-EA | Drechsler, Boesl, et al., 1997 | Given: 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 |
3.40118 | LPD | Blondel, Cacciani, et al., 1989 | Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.; B |
3.4480 ± 0.0050 | N/A | Berry and Reimann, 1963 | B |
3.48526 | N/A | Check, Faust, et al., 2001 | FeCl3-; ; ΔS(EA)=5.0; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
17.2 | EI | Veljkovic, Neskovic, et al., 1992 | LL |
17.42282 | EVAL | Lide, 1992 | LL |
17.423 | S | Kelly, 1987 | LBLHLM |
17.418 | S | Palenius, Huffman, et al., 1978 | LLK |
17.431 | S | Palenius, Huffman, et al., 1978 | LLK |
17.47 ± 0.02 | PE | De Leeuw, Mooyman, et al., 1978 | LLK |
17.42282 | S | Moore, 1970 | RDSH |
Anion protonation reactions
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 372. ± 1. | kcal/mol | AVG | N/A | Average of 6 out of 7 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 365.67 ± 0.18 | kcal/mol | H-TS | Blondel, Delsart, et al., 2001 | gas phase; Given: 3.4011895(25) eV, or 27432.446(19) cm-1, or 78.433266(577) kcal/mol; B |
ΔrG° | 365.53 | kcal/mol | H-TS | Martin and Hepburn, 2000 | gas 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 |
ΔrG° | 365.67 ± 0.18 | kcal/mol | H-TS | Blondel, Cacciani, et al., 1989 | gas phase; Reported: 3.401190±0.000004 eV. acidity includes 0.9 kcal 0 to 298 K correction.; B |
ΔrG° | 365.5 ± 2.0 | kcal/mol | IMRE | Bierbaum, Schmidt, et al., 1981 | gas phase; B |
ΔrG° | 359.40 | kcal/mol | N/A | Check, Faust, et al., 2001 | gas phase; FeCl3-; ; ΔS(EA)=5.0; B |
References
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]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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