- Formula: C3H9P
- Molecular weight: 76.0773
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: YWWDBCBWQNCYNR-UHFFFAOYSA-N
- CAS Registry Number: 594-09-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Phosphine, trimethyl-; Trimethylphosphorus; (CH3)3P
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Phase change data
Go To: Top, Reaction thermochemistry data, Mass spectrum (electron ionization), 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: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
|vapH (kcal/mol)||Temperature (K)||Method||Reference||Comment|
|6.91||263.||A||Stephenson and Malanowski, 1987||Based on data from 248. - 310. K.|
Reaction thermochemistry data
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
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.
C3H8P- + =
By formula: C3H8P- + H+ = C3H9P
|rH°||391.1 ± 2.1||kcal/mol||G+TS||Ingemann and Nibbering, 1985||gas phase|
|rH°||385.3 ± 4.1||kcal/mol||G+TS||Romer, Gatev, et al., 1998||gas phase; The conflict with Ingemann and Nibbering, 1985, 22 is not resolved|
|rH°||384.2 ± 3.2||kcal/mol||G+TS||Grabowski, Roy, et al., 1988||gas phase; Between O-. and MeO-, nearer the latter.|
|rG°||383.8 ± 2.0||kcal/mol||IMRE||Ingemann and Nibbering, 1985||gas phase|
|rG°||378.0 ± 4.0||kcal/mol||IMRB||Romer, Gatev, et al., 1998||gas phase; The conflict with Ingemann and Nibbering, 1985, 22 is not resolved|
|rG°||376.9 ± 3.1||kcal/mol||IMRB||Grabowski, Roy, et al., 1988||gas phase; Between O-. and MeO-, nearer the latter.|
Mass spectrum (electron ionization)
Go To: Top, Phase change data, Reaction thermochemistry data, References, Notes
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
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|Owner||NIST Mass Spectrometry Data Center|
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
|Origin||D.HENNEBERG, MAX-PLANCK INSTITUTE, MULHEIM, WEST GERMANY|
|NIST MS number||63691|
Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), Notes
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]
Ingemann and Nibbering, 1985
Ingemann, S.; Nibbering, N.M.M., Gas-phase acidity of CH3X [X = P(CH3)2, SCH3, F, Cl, Br, I] compounds, J. Chem. Soc. Perkin Trans. 2, 1985, 837. [all data]
Romer, Gatev, et al., 1998
Romer, B.; Gatev, G.G.; Zhong, M.; Brauman, J.I., Alpha-Stabilization by Silyl and Phosphino Substitution, J. Am. Chem. Soc., 1998, 120, 12, 2919, https://doi.org/10.1021/ja970279s . [all data]
Ingemann and Nibbering, 1985, 2
Ingemann, S.; Nibbering, N.M.M., Gas phase chemistry of alpha-thio carbanions, Can. J. Chem., 1985, 62, 2273. [all data]
Grabowski, Roy, et al., 1988
Grabowski, J.J.; Roy, P.D.; Leone, R., Trimethylphosphine: Anion-Molecule Reactions and Acidity in the Gas Phase, J. Chem. Soc. Perkin Trans., 1988, 2, 8, 1627, https://doi.org/10.1039/p29880001627 . [all data]
Go To: Top, Phase change data, Reaction thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
rG° Free energy of reaction at standard conditions rH° Enthalpy of reaction at standard conditions vapH Enthalpy of vaporization
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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