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Phosphine, methyl-


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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to CH5P+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
Proton affinity (review)851.5kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity817.6kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.12PEHodges, McDonnell, et al., 1980LLK
9.12 ± 0.07PEStaley and Beauchamp, 1974LLK
9.72 ± 0.15EIWada and Kiser, 1964RDSH
9.62PEElbel, Dieck, et al., 1982Vertical value; LBLHLM
9.70PECowley, Kemp, et al., 1982Vertical value; LBLHLM
9.6 ± 0.1PECradock, Ebsworth, et al., 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHP+14.7 ± 0.3?EIWada and Kiser, 1964RDSH
CH2P+14.7 ± 0.2?EIWada and Kiser, 1964RDSH
CH3+14.8 ± 0.2?EIWada and Kiser, 1964RDSH
CH3P+12.2 ± 0.2H2EIWada and Kiser, 1964RDSH
CH4P+11.6 ± 0.12HEIWada and Kiser, 1964RDSH
PC+14.5 ± 0.3?EIWada and Kiser, 1964RDSH

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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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.
NIST MS number 84

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UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source Halmann, 1963
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 13170
Instrument Beckman DU
Boiling point - 14

References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, NIST Free Links, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

Hodges, McDonnell, et al., 1980
Hodges, R.V.; McDonnell, T.J.; Beauchamp, J.L., Properties reactions of trimethyl phosphite, trimethyl phosphate, triethyl phosphate, and trimethyl phosphorothionate by ion cyclotron resonance spectroscopy, J. Am. Chem. Soc., 1980, 102, 1327. [all data]

Staley and Beauchamp, 1974
Staley, R.H.; Beauchamp, J.L., Basicities ion-molecule reactions of the methylphosphines in the gas phase by ion cyclotron resonance spectroscopy, J. Am. Chem. Soc., 1974, 96, 6252. [all data]

Wada and Kiser, 1964
Wada, Y.; Kiser, R.W., A mass spectrometric study of some alkyl-substituted phosphines, J. Phys. Chem., 1964, 68, 2290. [all data]

Elbel, Dieck, et al., 1982
Elbel, S.; Dieck, H.T.; Demuth, R., Photoelectron sSpectra of group V compounds. IX. The relative perfluoroalkyl substituent effect, J. Fluorine Chem., 1982, 19, 349. [all data]

Cowley, Kemp, et al., 1982
Cowley, A.H.; Kemp, R.A.; Lattman, M.; McKee, M.L., Lewis base behavior of methylated and fluorinated phosphines. A photoelectron spectroscopic investigation, Inorg. Chem., 1982, 21, 85. [all data]

Cradock, Ebsworth, et al., 1972
Cradock, S.; Ebsworth, E.A.V.; Savage, W.J.; Whiteford, R.A., Photoelectron spectra of some methyl, silyl and germyl amines, phosphines and arsines, J. Chem. Soc. Faraday Trans. 2, 1972, 68, 934. [all data]

Halmann, 1963
Halmann, M., J. Chem. Soc., 1963, 2853. [all data]


Notes

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