trifluoroarsine

Formula: AsF₃
Molecular weight: 131.91681
IUPAC Standard InChI: InChI=1S/AsF3/c2-1(3)4
IUPAC Standard InChIKey: JCMGUODNZMETBM-UHFFFAOYSA-N
CAS Registry Number: 7784-35-2
Chemical structure:
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Other names: Arsenic trifluoride
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Gas phase ion energetics data

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

Data compiled as indicated in comments:
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 AsF₃⁺ (ion structure unspecified)

Quantity	Value	Units	Method	Reference	Comment
Proton affinity (review)	152.2	kcal/mol	N/A	Hunter and Lias, 1998	HL
Quantity	Value	Units	Method	Reference	Comment
Gas basicity	144.4	kcal/mol	N/A	Hunter and Lias, 1998	HL

Ionization energy determinations

IE (eV)	Method	Reference	Comment
12.3 ± 0.05	EI	Pabst, Sharpe, et al., 1980	LLK
12.84 ± 0.05	EI	Muller and Fenderl, 1971	LLK
13.00	PE	Potts, Lempka, et al., 1970	Vertical value; RDSH

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
As⁺	27.0 ± 0.4	3F	EI	Pabst, Sharpe, et al., 1980	LLK
AsF⁺	19.6 ± 0.1	?	EI	Pabst, Sharpe, et al., 1980	LLK
AsF₂⁺	12.8 ± 0.1	F(^-)	EI	Pabst, Sharpe, et al., 1980	LLK
F⁺	21.6 ± 0.3	AsF₂	EI	Pabst, Sharpe, et al., 1980	LLK
F⁺	29.3 ± 0.2	As+F₂	EI	Pabst, Sharpe, et al., 1980	LLK
F⁺	31.0	As⁺²F	EI	Pabst, Sharpe, et al., 1980	LLK
F₂⁺	23.8 ± 0.1	AsF	EI	Pabst, Sharpe, et al., 1980	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]

Pabst, Sharpe, et al., 1980
Pabst, R.E.; Sharpe, M.C.; Margrave, J.L.; Franklin, J.L., An electron impact study of the appearance energies of positive ions from AsF₃, AsCl₃, AsBr₃ and AsF₅, Int. J. Mass Spectrom. Ion Phys., 1980, 33, 187. [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]

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]

Notes

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

Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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