trifluoronitrosomethane
- Formula: CF3NO
- Molecular weight: 99.0120
- CAS Registry Number: 334-99-6
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Phase change data
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
| ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
|---|---|---|---|---|
| 4.09 | 159. | A | Stephenson and Malanowski, 1987 | Based on data from 141. to 174. K. |
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
B - John E. Bartmess
View reactions leading to CF3NO+ (ion structure unspecified)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 168.1 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 160.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| >2.00 ± 0.20 | EIAE | Harland, 1977 | From(CF3)2NO; G3MP2B3 calculations indicate an EA of ca. 1.7 eV; B |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 10.5 ± 0.1 | EI | Syrvatka and Gil'burd, 1973 | LLK |
Appearance energy determinations
| Ion | AE (eV) | Other Products | Method | Reference | Comment |
|---|---|---|---|---|---|
| CF2+ | 16.7 ± 0.2 | FNO | EI | Syrvatka and Gil'burd, 1973 | LLK |
| CF3+ | 12.6 ± 0.1 | NO | EI | Syrvatka and Gil'burd, 1973 | LLK |
| NO+ | 12.4 ± 0.1 | CF3 | EI | Syrvatka and Gil'burd, 1973 | LLK |
| CNOF3+ | 11.06 ± 0.05 | ? | PE | Ernsting, Pfab, et al., 1980 | Vertical value; 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.
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [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]
Harland, 1977
Harland, P.W.,
Electron attachment to the stable free radical bis-trifluoromethylnitroxide in the gas phase,
Int. J. Mass Spectrom. Ion Phys., 1977, 25, 61. [all data]
Syrvatka and Gil'burd, 1973
Syrvatka, B.G.; Gil'burd, M.M.,
Mass-spectrometric study of trifluoronitrosomethane,
Russ. J. Phys. Chem., 1973, 47, 1215. [all data]
Ernsting, Pfab, et al., 1980
Ernsting, N.P.; Pfab, J.; Green, J.C.; Romelt, J.,
Photoelectron spectra of nitrosomethane, t-nitrosobutane and some perhalogenonitrosomethanes,
J. Chem. Soc. Faraday Trans. 2, 1980, 76, 844. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy EA Electron affinity ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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