Phosphine

• Formula: H₃P
• Molecular weight: 33.99758
• IUPAC Standard InChI: InChI=1S/H3P/h1H3 Copy

  
• IUPAC Standard InChIKey: XYFCBTPGUUZFHI-UHFFFAOYSA-N Copy
• CAS Registry Number: 7803-51-2
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Trihydrogen phosphide; Hydrogen phosphide; Phosphorus trihydride; PH3; Phosphene; Phosphorus hydride; Fosforowodor; Gas-ex-B; Phosphorwasserstoff; Rcra waste number P096; UN 2199
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • IR Spectrum
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Reaction thermochemistry 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
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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.

Individual Reactions

H₂P^- +  =

By formula: H₂P^- + H⁺ = H₃P

(H₄P⁺ • 4) +  = (H₄P⁺ • 5)

By formula: (H₄P⁺ • 4H₃P) + H₃P = (H₄P⁺ • 5H₃P)

Bond type: Hydrogen bond (positive ion to hydride)

(H₄P⁺ • 2) +  = (H₄P⁺ • 3)

By formula: (H₄P⁺ • 2H₃P) + H₃P = (H₄P⁺ • 3H₃P)

Bond type: Hydrogen bond (positive ion to hydride)

(H₄P⁺ • 3) +  = (H₄P⁺ • 4)

By formula: (H₄P⁺ • 3H₃P) + H₃P = (H₄P⁺ • 4H₃P)

Bond type: Hydrogen bond (positive ion to hydride)

(H₄P⁺ • ) +  = (H₄P⁺ • 2)

By formula: (H₄P⁺ • H₃P) + H₃P = (H₄P⁺ • 2H₃P)

Bond type: Hydrogen bond (positive ion to hydride)

H₄P⁺ +  = (H₄P⁺ • )

By formula: H₄P⁺ + H₃P = (H₄P⁺ • H₃P)

Bond type: Hydrogen bond (positive ion to hydride)

H₆P₃⁺ +  = (H₆P₃⁺ • )

By formula: H₆P₃⁺ + H₃P = (H₆P₃⁺ • H₃P)

H₅P₂⁺ +  = (H₅P₂⁺ • )

By formula: H₅P₂⁺ + H₃P = (H₅P₂⁺ • H₃P)

IR 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: Coblentz Society, Inc.

Spectrum

A digitized version of this spectrum is not currently available.

Additional Data

References

Go To: Top, Reaction thermochemistry data, IR Spectrum, Notes

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

Ervin and Lineberger, 2005
Ervin, K.M.; Lineberger, W.C., Photoelectron spectroscopy of phosphorus hydride anions, J. Chem. Phys., 2005, 122, 19, 194303, https://doi.org/10.1063/1.1881153 . [all data]

Curtiss, Raghavachari, et al., 1991
Curtiss, L.A.; Raghavachari, K.; Trucks, G.W.; Pople, J.A., Gaussian-2 Theory for Molecular Energies of First- and Second-row Compounds, J. Chem. Phys., 1991, 94, 11, 7221, https://doi.org/10.1063/1.460205 . [all data]

Ricca and Bauschlicher, 1998
Ricca, A.; Bauschlicher, C.W., Jr., Accurate Heats of Formation for PHn, PHn+, and PHn-, Chem. Phys. Lett., 1998, 285, 5-6, 455, https://doi.org/10.1016/S0009-2614(97)01468-1 . [all data]

Bartmess, Scott, et al., 1979
Bartmess, J.E.; Scott, J.A.; McIver, R.T., Jr., The gas phase acidity scale from methanol to phenol, J. Am. Chem. Soc., 1979, 101, 6047. [all data]

Halmann and Platzner, 1969
Halmann, M.; Platzner, I., Negative Ions Produced by Electron Capture in Phosphine, J. Phys. Chem., 1969, 73, 12, 4376, https://doi.org/10.1021/j100846a062 . [all data]

Ebinghaus, Kraus, et al., 1964
Ebinghaus, H.; Kraus, K.; Neuert, H.; Muller-Duysing, W., Negative Ionen durch Elecktronenresonanzeinfang in PH₃, AsH₃, und SiH₄, Z. Naturfor., 1964, 19A, 732. [all data]

Check, Faust, et al., 2001
Check, C.E.; Faust, T.O.; Bailey, J.M.; Wright, B.J.; Gilbert, T.M.; Sunderlin, L.S., Addition of Polarization and Diffuse Functions to the LANL2DZ Basis Set for P-Block Elements, J. Phys. Chem. A,, 2001, 105, 34, 8111, https://doi.org/10.1021/jp011945l . [all data]

Long and Franklin, 1974
Long, J.W.; Franklin, J.L., Ion - Solvation Reactions of Phosphine, J. Am. Chem. Soc., 1974, 96, 8, 2320, https://doi.org/10.1021/ja00815a003 . [all data]

Notes

Go To: Top, Reaction thermochemistry data, IR Spectrum, References

• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

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