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:
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 trifluoride
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Phase change 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tboil | 329.4 | K | N/A | PCR Inc., 1990 | BS |
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 8.56 | 293. | Russell, Rundle, et al., 1941 | AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
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| Temperature (K) | A | B | C | Reference | Comment |
|---|---|---|---|---|---|
| 270.7 to 329.4 | 5.62686 | 1789.818 | -11.415 | Stull, 1947 | Coefficents calculated by NIST from author's data. |
Gas phase ion energetics data
Go To: Top, Phase change 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:
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, Phase change 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.
PCR Inc., 1990
PCR Inc.,
Research Chemicals Catalog 1990-1991, PCR Inc., Gainesville, FL, 1990, 1. [all data]
Russell, Rundle, et al., 1941
Russell, Horace; Rundle, Robert E.; Yost, Don M.,
The Heat Capacity, Heats of Fusion and Vaporization, Vapor Pressure and Entropy of Arsenic Trifluoride,
J. Am. Chem. Soc., 1941, 63, 10, 2825-2828, https://doi.org/10.1021/ja01855a094
. [all data]
Stull, 1947
Stull, Daniel R.,
Vapor Pressure of Pure Substances. Organic and Inorganic Compounds,
Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022
. [all data]
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, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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