Phosphorus trifluoride

Formula: F₃P
Molecular weight: 87.968972
IUPAC Standard InChI: InChI=1S/F3P/c1-4(2)3
IUPAC Standard InChIKey: WKFBZNUBXWCCHG-UHFFFAOYSA-N
CAS Registry Number: 7783-55-3
Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript.
Other names: PF3; Phosphorus(III) fluoride; Phosphorous-trifluoride-; Phosphorus fluoride; Phosphorous fluoride; TL 75; Trifluorophosphine
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Gas phase ion energetics data

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

Data compiled as indicated in comments:
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 F₃P⁺ (ion structure unspecified)

Quantity	Value	Units	Method	Reference	Comment
IE (evaluated)	11.38 ± 0.10	eV	N/A	N/A	L
Quantity	Value	Units	Method	Reference	Comment
Proton affinity (review)	695.3	kJ/mol	N/A	Hunter and Lias, 1998	HL
Quantity	Value	Units	Method	Reference	Comment
Gas basicity	662.8	kJ/mol	N/A	Hunter and Lias, 1998	HL

Ionization energy determinations

IE (eV)	Method	Reference	Comment
11.38 ± 0.01	PIPECO	Ruede, Troxler, et al., 1993	LL
≤11.44	PI	Berkowitz, Greene, et al., 1984	LBLHLM
11.51	EI	Neskovic, Miletic, et al., 1983	LBLHLM
11.65	EI	Baldwin, Loudon, et al., 1977	LLK
11.65 ± 0.07	EI	Torgerson and Westmore, 1975	LLK
11.4 ± 0.2	EI	Harland, Rankin, et al., 1974	LLK
11.5 ± 0.1	PI	Harland, Rankin, et al., 1974	LLK
11.6 ± 0.1	EI	Dean, Finch, et al., 1974	LLK
11.57 ± 0.01	PE	Maier and Turner, 1972	LLK
11.66 ± 0.01	PE	Basset and Lloyd, 1972	LLK
11.56	PE	Muller, Fenderl, et al., 1971	LLK
11.7 ± 0.1	EI	Muller and Fenderl, 1971	LLK
9.71	PI	Price and Passmore, 1963	RDSH
12.20	PE	Yarbrough and Hall, 1978	Vertical value; LLK
12.28	PE	Daamen, Boxhoorn, et al., 1978	Vertical value; LLK
12.23 ± 0.02	PE	Cradock and Rankin, 1972	Vertical value; LLK
12.28	PE	Potts, Lempka, et al., 1970	Vertical value; RDSH
12.3	PE	Hillier, Marriott, et al., 1970	Vertical value; RDSH
12.31	PE	Green, King, et al., 1970	Vertical value; RDSH

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
FP⁺	20.5 ± 0.2	F₂	EI	Torgerson and Westmore, 1975	LLK
FP⁺	21.0 ± 0.3	2F	EI	Harland, Rankin, et al., 1974	LLK
F₂P⁺	14.27 ± 0.02	F	PIPECO	Ruede, Troxler, et al., 1993	LL
F₂P⁺	14.55 ± 0.01	F	PI	Berkowitz, Greene, et al., 1984	LBLHLM
F₂P⁺	15.42	F	EI	Neskovic, Miletic, et al., 1983	LBLHLM
F₂P⁺	15.5 ± 0.2	F	EI	Torgerson and Westmore, 1975	LLK
F₂P⁺	13.5 ± 0.1	F	EI	Dean, Finch, et al., 1974	LLK

References

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

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]

Ruede, Troxler, et al., 1993
Ruede, R.; Troxler, H.; Beglinger, C.; Jungen, M., The dissociation energies of the positive ions NH₃⁺, NF₃⁺, PH₃⁺, PF₃⁺ and PCl₃⁺, Chem. Phys. Lett., 1993, 203, 477. [all data]

Berkowitz, Greene, et al., 1984
Berkowitz, J.; Greene, J.P.; Foropoulos, J., Jr.; Neskovic, O.M., Bonding and ionization energies of N-F and P-F compounds, J. Chem. Phys., 1984, 81, 6166. [all data]

Neskovic, Miletic, et al., 1983
Neskovic, O.; Miletic, M.; Veljkovic, M.; Golobocantin, D.; Zmbov, K.F., Ionization and fragmentation of phosphorous oxyfluoride by electron impact, Int. J. Mass Spectrom. Ion Processes, 1983, 47, 141. [all data]

Baldwin, Loudon, et al., 1977
Baldwin, M.A.; Loudon, A.G.; Dunmur, R.E.; Schmutzler, R.; Gregor, I.K., Charge location and fragmentation under electron impact. IV-The behaviour under electron impact of some N-methyl, N'-R-1,2,4-phosphadiazetidine-3-ones and related compounds, Org. Mass Spectrom., 1977, 12, 275. [all data]

Torgerson and Westmore, 1975
Torgerson, D.F.; Westmore, J.B., Energetics of the ionization and fragmentation of phosphorus trifluoride by electron impact, Can. J. Chem., 1975, 53, 933. [all data]

Harland, Rankin, et al., 1974
Harland, P.W.; Rankin, D.W.H.; Thynne, J.C.J., Ionisation by electron impact of phosphorus trifluoride and difluorocyanophosphine, Int. J. Mass Spectrom. Ion Phys., 1974, 13, 395. [all data]

Dean, Finch, et al., 1974
Dean, C.R.S.; Finch, A.; Gardner, P.J.; Payling, D.W., Appearance and ionization potentials of ions produced by electron-impact on some phosphorus-fluorine compounds: the phosphorusphorus bond dissociation energy in diphosphorus tetrafluoride, J. Chem. Soc. Faraday Trans. 1, 1974, 70, 1921. [all data]

Maier and Turner, 1972
Maier, J.P.; Turner, D.W., Photoelectron spectroscopy and the geometry of the phosphine and phosphorous trifluoride molecular ions, J. Chem. Soc. Faraday Trans. 2, 1972, 68, 711. [all data]

Basset and Lloyd, 1972
Basset, P.J.; Lloyd, D.R., Photoelectron spectra of halides. Part III. Trifluorides and oxide trifluorides of nitrogen and phosphorus, and phosphorus oxide trichloride, J. Chem. Soc. Dalton Trans., 1972, 248. [all data]

Muller, Fenderl, et al., 1971
Muller, J.; Fenderl, K.; Mertschenk, B., Die Donor-Akzeptor-Eigenschaften des Liganden Trifluorphosphin in Ubergangsmetallkomplexen, Chem. Ber., 1971, 104, 700. [all data]

Muller and Fenderl, 1971
Muller, J.; Fenderl, K., Reaktionen des π-Cyclopentadienyl-Mangantricarbonyl-Kations mit einfachen Fluorverbindungen in der gasphase, Chem. Ber., 1971, 104, 2207. [all data]

Price and Passmore, 1963
Price, W.C.; Passmore, T.R., [Title unavailable], Faraday Discuss. Chem. Soc., 1963, 35, 232. [all data]

Yarbrough and Hall, 1978
Yarbrough, L.W., II; Hall, M.B., Photoelectron spectra of substituted chromium, molybdenum, and tungsten pentacarbonyls. Relative π-acceptor and σ-donor properties of various phosphorus ligands, Inorg. Chem., 1978, 17, 2269. [all data]

Daamen, Boxhoorn, et al., 1978
Daamen, H.; Boxhoorn, G.; Oskam, A., U. V. photoelectron (He I and He II) studies of M(CO)₅PX₃ (M=Cr, Mo, W and X=F, Cl, Br), Inorg. Chim. Acta, 1978, 28, 263. [all data]

Cradock and Rankin, 1972
Cradock, S.; Rankin, D.W.H., Photoelectron spectra of PF₂H some substituted difluorophosphines, J. Chem. Soc. Faraday Trans. 2, 1972, 68, 940. [all data]

Potts, Lempka, et al., 1970
Potts, A.W.; Lempka, H.J.; Streets, D.G.; Price, W.C., Photoelectron spectra of the halides of elements in groups III, IV, V and VI, Phil. Trans. Roy. Soc. (London), 1970, A268, 59. [all data]

Hillier, Marriott, et al., 1970
Hillier, I.H.; Marriott, J.C.; Saunders, V.R.; Ware, M.J.; Lloyd, D.R.; Lynaugh, N., A theoretical and experimental study of the bonding in PF₃.BH₃, Chem. Commun., 1970, 1586. [all data]

Green, King, et al., 1970
Green, J.C.; King, D.I.; Eland, J.H.D., Photoelectron spectra of trifluorophosphine and its complexes Ni(PF₃), and Pt(PF₃)₄, Chem. Commun., 1970, 1121. [all data]

Notes

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

Symbols used in this document:

AE Appearance energy

IE (evaluated) Recommended ionization energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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AE	Appearance energy
IE (evaluated)	Recommended ionization energy