Sulfur difluoride
- Formula: F2S
- Molecular weight: 70.062
- IUPAC Standard InChIKey: QTJXVIKNLHZIKL-UHFFFAOYSA-N
- CAS Registry Number: 13814-25-0
- 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:
L - Sharon G. Lias
Data compiled as indicated in comments:
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
B - John E. Bartmess
View reactions leading to F2S+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 10.08 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.90 ± 0.70 | IMRB | Miller, Miller, et al., 1995 | B |
>3.10 ± 0.50 | Endo | Langford, Almeida, et al., 1990 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.08 | PI | Losking and Willner, 1985 | LBLHLM |
10.29 ± 0.10 | EI | Gombler, Haas, et al., 1980 | LLK |
10.08 | PE | De Leeuw, Mooyman, et al., 1978 | LLK |
10.29 ± 0.10 | EI | Hildenbrand, 1973 | LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
FS+ | 13.95 ± 0.10 | F | EI | Gombler, Haas, et al., 1980 | LLK |
FS+ | ~18. | F | EI | DiLonardo and Trombetti, 1970 | RDSH |
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.
Miller, Miller, et al., 1995
Miller, A.E.S.; Miller, T.M.; Viggiano, A.A.; Morris, R.A.; Vandoren, J.M.; Arnold, S.T.; Paulson, J.,
Negative ion chemistry of SF4,
J. Chem. Phys., 1995, 102, 22, 8865, https://doi.org/10.1063/1.468940
. [all data]
Langford, Almeida, et al., 1990
Langford, M.L.; Almeida, D.P.; Harris, F.M.,
Measurements of single ionization energies or electron affinities of SFn molecules (n = 1-5) using double-charge-transfer spectroscopy,
Int. J. Mass Spectrom. Ion Processes, 1990, 98, 147. [all data]
Losking and Willner, 1985
Losking, O.; Willner, H.,
Thermochemische daten und photoionisation-massenspektren von SSF2, FSSF, SF3SF und SF3SSF,
Z. Anorg. Allg. Chem., 1985, 530, 169. [all data]
Gombler, Haas, et al., 1980
Gombler, W.; Haas, A.; Willner, H.,
Chalkogenfluoride in niedrigen oxydationsstufen. V. Die ungewohnlichen chemischen gleichgewichte F3S-SF = 2 SF2 und CF3SF2-SCF3 = 2 CF3SF,
Z. Anorg. Allg. Chem., 1980, 469, 135. [all data]
De Leeuw, Mooyman, et al., 1978
De Leeuw, D.M.; Mooyman, R.; De Lange, C.A.,
He(I) photoelectron spectroscopy of transient species: The SF2 molecule,
Chem. Phys., 1978, 34, 287. [all data]
Hildenbrand, 1973
Hildenbrand, D.L.,
Mass spectrometric studies of some gaseous sulfur fluorides,
J. Phys. Chem., 1973, 77, 897. [all data]
DiLonardo and Trombetti, 1970
DiLonardo, G.; Trombetti, A.,
Spectrum of SF,
J. Chem. Soc. Faraday Trans., 1970, 66, 2694. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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