Phosphorus tribromide

• Formula: Br₃P
• Molecular weight: 270.686
• IUPAC Standard InChI: InChI=1S/Br3P/c1-4(2)3 Copy

  
• IUPAC Standard InChIKey: IPNPIHIZVLFAFP-UHFFFAOYSA-N Copy
• CAS Registry Number: 7789-60-8
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: PBr3; Phosphorus(III) bromide; Phosphorous tribromide; Extrema; Phosphorous bromide; Phosphorus bromide; Tribromophosphine; UN 1808; Phosphorus bromide (PBr3)
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Phase change data
  • Reaction thermochemistry data
  • Ion clustering data
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
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Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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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 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.

Individual Reactions

 +  = Br₄P^-

By formula: Br^- + Br₃P = Br₄P^-

Ion clustering 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 by: John E. Bartmess

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = Br₄P^-

By formula: Br^- + Br₃P = Br₄P^-

References

Go To: Top, Phase change data, Reaction thermochemistry data, Ion clustering data, NIST Free Links, NIST Subscription Links, Notes

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

Bridgman, 1913
Bridgman, P.W., Thermodynamic properties of twelve liquids between 20!31 and 80!31 and up to 12,000 kgcu cm pressure, Proc. Am. Acad. Arts Sci., 1913, 49, 1. [all data]

Sladkov and Shimeleva, 1974
Sladkov, I.B.; Shimeleva, V.I., Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 154. [all data]

Sladkov, 1973
Sladkov, I.B., Critical Constants of Phosphorous Tribromide, Russ. J. Phys. Chem., 1973, 47, 436-7. [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [all data]

Heil, Check, et al., 2002
Heil, T.E.; Check, C.E.; Lobring, K.C.; Sunderlin, L.S., The thermochemistry of phosphorus tetrahalide anions, J. Phys. Chem. A, 2002, 106, 42, 10043-10048, https://doi.org/10.1021/jp021386y . [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tc	Critical temperature
  Vc	Critical volume
  ΔrH°	Enthalpy of reaction at standard conditions

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