Sulfur tetrafluoride
- Formula: F4S
- Molecular weight: 108.059
- IUPAC Standard InChIKey: QHMQWEPBXSHHLH-UHFFFAOYSA-N
- CAS Registry Number: 7783-60-0
- 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: Sulfur fluoride (SF4), (T-4)-; Sulfur fluoride (SF4); Tetrafluorosulfurane; SF4; UN 2418; Sulfur fluoride; sulphur tetrafluoride
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, References, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -763.16 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1976 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 299.64 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1976 |
Gas Phase Heat Capacity (Shomate Equation)
Cp° = A + B*t + C*t2 + D*t3 +
E/t2
H° − H°298.15= A*t + B*t2/2 +
C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 −
E/(2*t2) + G
Cp = heat capacity (J/mol*K)
H° = standard enthalpy (kJ/mol)
S° = standard entropy (J/mol*K)
t = temperature (K) / 1000.
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Temperature (K) | 298. to 600. | 600. to 6000. |
---|---|---|
A | 29.37896 | 106.7707 |
B | 261.1678 | 0.905459 |
C | -345.0218 | -0.213326 |
D | 168.1370 | 0.016546 |
E | -0.305321 | -3.601403 |
F | -781.8390 | -806.3070 |
G | 269.4630 | 410.6019 |
H | -763.1616 | -763.1616 |
Reference | Chase, 1998 | Chase, 1998 |
Comment | Data last reviewed in June, 1976 | Data last reviewed in June, 1976 |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, 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:
LL - Sharon G. Lias and Joel F. Liebman
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 F4S+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 12.0 ± 0.3 | eV | N/A | N/A | L |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
1.50 ± 0.20 | IMRB | Miller, Miller, et al., 1995 | B |
1.50 ± 0.20 | IMRB | Viggiano, MIller, et al., 1991 | Between mCF3-nitrobenzene, C6F5NO2; B |
2.35 ± 0.10 | IMRB | Babcock and Streit, 1981 | EA: between NO2-, HS-; B |
0.78 ± 0.20 | NBIE | Compton, Reinhardt, et al., 1978 | B |
1.26 ± 0.10 | ES | Donovan, Harland, et al., 1974 | B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
11.69 ± 0.06 | END | Fischer, Kickel, et al., 1992 | LL |
12.3 | PE | Costa, Lloyd, et al., 1981 | LLK |
12.8 ± 0.1 | PE | Costa, Lloyd, et al., 1981 | LLK |
12.08 ± 0.10 | EI | Hildenbrand, 1973 | LLK |
12.03 ± 0.05 | EI | Muller and Fenderl, 1971 | LLK |
12.28 ± 0.03 | EI | Glemser, Muller, et al., 1968 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
F2S+ | 17.4 ± 0.5 | ? | EI | Hildenbrand, 1973 | LLK |
F3S+ | 12.63 ± 0.10 | F | EI | Hildenbrand, 1973 | LLK |
SF3+ | 12.70 ± 0.03 | F | EI | Glemser, Muller, et al., 1968 | RDSH |
References
Go To: Top, Gas phase thermochemistry data, 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.
Chase, 1998
Chase, M.W., Jr.,
NIST-JANAF Themochemical Tables, Fourth Edition,
J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]
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]
Viggiano, MIller, et al., 1991
Viggiano, A.A.; MIller, T.M.; Miller, A.E.S.; Morris, R.A.; Van Doren, J.M.; Paulson, J.F.,
SF4: Electron Affinity Determination by Charge Transfer Reactions,
Int. J. Mass Spectrom. Ion Proc., 1991, 109, 327, https://doi.org/10.1016/0168-1176(91)85112-Y
. [all data]
Babcock and Streit, 1981
Babcock, L.M.; Streit, G.E.,
Negative ion-molecule reactions of SF4,
J. Chem. Phys., 1981, 75, 3864. [all data]
Compton, Reinhardt, et al., 1978
Compton, R.N.; Reinhardt, P.W.; Cooper, C.D.,
Collisional ionization between fast alkali atoms and selected hexafluoride molecules,
J. Chem. Phys., 1978, 68, 2023. [all data]
Donovan, Harland, et al., 1974
Donovan, R.J.; Harland, P.W.; Knox, J.H.; Makowski, J.A.; Thynne, J.C.J.,
Electron affinity of SF4,
Int. J. Mass Spectrom. Ion Phys., 1974, 13, 464. [all data]
Fischer, Kickel, et al., 1992
Fischer, E.R.; Kickel, B.L.; Armentrout, P.B.,
Collision-induced dissociation and charge transfer reactions of SFx+ (x = 1-5_): Thermochemistry of sulfur fluoride ions and neutrals,
J. Chem. Phys., 1992, 97, 4859. [all data]
Costa, Lloyd, et al., 1981
Costa, N.C.V.; Lloyd, D.R.; Roberts, P.J.; Cruickshank, D.W.J.; Avramides, E.; Chablo, A.; Collins, G.A.D.; Dobson, B.; Hillier, I.H.,
Experimental and theoretical study of the electronic structures of thionyl fluoride, sulphur tetrafluoride and sulphur tetrafluoride Oxode,
J. Chem. Soc. Faraday Trans. 2, 1981, 77, 899. [all data]
Hildenbrand, 1973
Hildenbrand, D.L.,
Mass spectrometric studies of some gaseous sulfur fluorides,
J. Phys. Chem., 1973, 77, 897. [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]
Glemser, Muller, et al., 1968
Glemser, O.; Muller, A.; Bohler, D.; Krebs, B.,
Die N-S-Bindung: Bindungslangen Kraftkonstanten, Bindungsgrade und Bindungsenergien,
Z. Anorg. Allgem. Chem., 1968, 357, 184. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity IE (evaluated) Recommended ionization energy S°gas,1 bar Entropy of gas at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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