1-Phosphapropyne
- Formula: C2H3P
- Molecular weight: 58.0190
- CAS Registry Number: 34627-31-1
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Gas phase ion energetics 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 as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C2H3P+ (ion structure unspecified)
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.77 | PE | Lacombe, Dong, et al., 1992 | Vertical value; LL |
| 9.89 ± 0.01 | PE | Westwood, Kroto, et al., 1979 | Vertical value; LLK |
De-protonation reactions
C2H2P- + = C2H3P
By formula: C2H2P- + H+ = C2H3P
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | 356.0 ± 2.6 | kcal/mol | G+TS | Mo, Yanez, et al., 1999 | gas phase; B |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔrG° | 348.6 ± 2.3 | kcal/mol | IMRE | Mo, Yanez, et al., 1999 | gas phase; B |
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.
Lacombe, Dong, et al., 1992
Lacombe, S.; Dong, W.; Pfister-Guillouzo, G.; Guillemin, J.C.; Denis, J.M.,
Gas-phase study and stability of alkynylphosphines and allenylphosphines: Photoelectronic study,
Inorg. Chem., 1992, 31, 4425. [all data]
Westwood, Kroto, et al., 1979
Westwood, N.P.C.; Kroto, H.W.; Nixon, J.F.; Simmons, N.P.C.,
Formation of 1-phosphapropyne, CH3C≡P, by pyrolysis of dichloro(ethyl)phosphine: a He(I) photoelectron spectroscopic study,
J. Chem. Soc. Dalton Trans., 1979, 9, 1405. [all data]
Mo, Yanez, et al., 1999
Mo, O.; Yanez, M.; Decouzon, M.; Gal, J.F.; Maria, P.C.; Guillemin, J.L.,
Gas-phase basicity and acidity trends in alpha,beta-unsaturated amines, phosphines, and arsines,
J. Am. Chem. Soc., 1999, 121, 19, 4653-4663, https://doi.org/10.1021/ja982657e
. [all data]
Notes
Go To: Top, Gas phase ion energetics data, References
- Symbols used in this document:
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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