pentafluoroarsorane
- Formula: AsF5
- Molecular weight: 169.91362
- IUPAC Standard InChI: InChI=1S/AsF5/c2-1(3,4,5)6
- IUPAC Standard InChIKey: YBGKQGSCGDNZIB-UHFFFAOYSA-N
- CAS Registry Number: 7784-36-3
- 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: Arsenic pentafluoride
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Reaction 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.
Data compiled by: John E. Bartmess
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
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= (
•
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By formula: F- + AsF5 = (F- • AsF5)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | >85. ± 10. | kcal/mol | N/A | Haartz and McDaniel, 1973 | gas phase; Greater than BCl3 |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | >74. ± 10. | kcal/mol | IMRB | Haartz and McDaniel, 1973 | gas phase; Greater than BCl3 |
Gas phase ion energetics data
Go To: Top, Reaction 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 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
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 15.0 | PE | Runger, 1985 | LBLHLM |
| 15.53 | PE | Runger, 1985 | Vertical value; LBLHLM |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| AsF+ | 23.8 ± 0.2 | ? | EI | Pabst, Sharpe, et al., 1980 | LLK |
| AsF2+ | 15.8 ± 0.2 | ? | EI | Pabst, Sharpe, et al., 1980 | LLK |
| AsF3+ | 14.0 ± 0.1 | F2(-) | EI | Pabst, Sharpe, et al., 1980 | LLK |
| AsF4+ | 13.8 ± 0.2 | F(-) | EI | Pabst, Sharpe, et al., 1980 | LLK |
| F+ | 22.1 ± 0.2 | AsF4 | EI | Pabst, Sharpe, et al., 1980 | LLK |
References
Go To: Top, Reaction 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.
Haartz and McDaniel, 1973
Haartz, J.C.; McDaniel, D.H.,
Fluoride ion affinity of some lewis acids,
J. Am. Chem. Soc., 1973, 95, 8562. [all data]
Runger, 1985
Runger, G.,
Title unavailable, Ph.D. Thesis for Univ. of Hamburg, 1985. [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]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance 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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