Dimethylphosphine

• Formula: C₂H₇P
• Molecular weight: 62.0507
• IUPAC Standard InChI: InChI=1S/C2H7P/c1-3-2/h3H,1-2H3 Copy

  
• IUPAC Standard InChIKey: YOTZYFSGUCFUKA-UHFFFAOYSA-N Copy
• CAS Registry Number: 676-59-5
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Phosphine, dimethyl-; (CH3)2PH
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• Information on this page:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
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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 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 C₂H₇P⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

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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Additional Data

References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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]

Aue, Webb, et al., 1980
Aue, D.H.; Webb, H.M.; Davidson, W.R.; Vidal, M.; Bowers, M.T.; Goldwhite, H.; Vertal, L.E.; Douglas, J.E.; Kollman, P.A.; Kenyon, G.L., Proton affinities photoelectron spectra of three-membered-ring J. Heterocycl. Chem., J. Am. Chem. Soc., 1980, 102, 5151. [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]

Fischler and Halmann, 1964
Fischler, J.; Halmann, M., Electron-impact studies of phosphorus compounds, J. Chem. Soc., 1964, 31. [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]

Lappert, Pedley, et al., 1975
Lappert, M.F.; Pedley, J.B.; Wilkins, B.T.; Stelzer, O.; Unger, E., Bonding studies of compounds of boron and the group 3-5 elements. Part XIII. He(I) photoelectron spectra of phosphines R_nPX_3-n (R=Me or Bu'; X=H, Cl, or F; n=1-3), (Me₂N)_nPCl_3-n(n=1-3), and (R₂N)PF₂(R=Me or Et), J. Chem. Soc. Dalton Trans., 1975, 1207. [all data]

Cowley, Dewar, et al., 1974
Cowley, A.H.; Dewar, M.J.S.; Goodman, D.W.; Padolina, M.C., Detection of rotational isomerism in diphosphines and diarsines by photoelectron spectroscopy, J. Am. Chem. Soc., 1974, 96, 2648. [all data]

Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), References

• Symbols used in this document:
  

  AE	Appearance energy

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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