phosphorus

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References, Notes

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

Quantity Value Units Method Reference Comment
Δfgas316.5 ± 1.0kJ/molReviewCox, Wagman, et al., 1984CODATA Review value
Δfgas316.39kJ/molReviewChase, 1998Data last reviewed in June, 1961
Quantity Value Units Method Reference Comment
gas,1 bar163.199 ± 0.003J/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
gas,1 bar163.20J/mol*KReviewChase, 1998Data last reviewed in June, 1961

Gas Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

View table.

Temperature (K) 1180.008 to 2200.2200. to 6000.
A 20.44403-2.107549
B 1.0517459.311953
C -1.098514-0.557522
D 0.377924-0.020498
E 0.01064529.30064
F 310.2930353.6459
G 187.7302190.4707
H 316.3903316.3903
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in June, 1961 Data last reviewed in June, 1961

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, References, Notes

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

Quantity Value Units Method Reference Comment
Δfliquid0.62kJ/molReviewChase, 1998Data last reviewed in June, 1961
Quantity Value Units Method Reference Comment
liquid,1 bar43.01J/mol*KReviewChase, 1998Data last reviewed in June, 1961
Quantity Value Units Method Reference Comment
Δfsolid-17.46kJ/molReviewChase, 1998red, v phase; Data last reviewed in June, 1961
Quantity Value Units Method Reference Comment
solid,1 bar41.09 ± 0.25J/mol*KReviewCox, Wagman, et al., 1984white phase; CODATA Review value

Liquid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

View table.

Temperature (K) 317.3 to 1180.008
A 26.32602
B 1.041373×10-10
C -6.121360×10-11
D 1.094033×10-11
E 2.995196×10-12
F -7.234262
G 74.86891
H 0.615002
ReferenceChase, 1998
Comment Data last reviewed in June, 1961

Solid Phase Heat Capacity (Shomate Equation)

Cp° = A + B*t + C*t2 + D*t3 + E/t2
H° − H°298.15= A*t + B*t2/2 + C*t3/3 + D*t4/4 − E/t + F − H
S° = A*ln(t) + B*t + C*t2/2 + D*t3/3 − E/(2*t2) + G
    Cp = heat capacity (J/mol*K)
    H° = standard enthalpy (kJ/mol)
    S° = standard entropy (J/mol*K)
    t = temperature (K) / 1000.

View plot Requires a JavaScript / HTML 5 canvas capable browser.

View table.

Temperature (K) 298. to 317.3298. to 317.3298. to 317.3298. to 317.3
A 24.3221416.4557628.0422628.38677
B -1.80980743.28892-18.96093-19.14360
C 7.486431-58.7387636.6120936.82476
D 3.14795025.60646-13.81611-13.89983
E -0.296815-0.086728-0.357001-0.358810
F -25.70876-6.657121-21.45191-21.96617
G 50.7799549.9716059.2684559.11030
H -17.460040.000000-12.43903-12.85103
ReferenceChase, 1998Chase, 1998Chase, 1998Chase, 1998
Comment red, v phase; Data last reviewed in June, 1961 white phase; Data last reviewed in June, 1961 red, iv phase; Data last reviewed in June, 1961 black phase; Data last reviewed in June, 1961

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References, Notes

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

Quantity Value Units Method Reference Comment
Tboil550.KN/AHonig and Kramer, 1969Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Ttriple870.KN/AHonig and Kramer, 1969Uncertainty assigned by TRC = 0.6 K; TRC
Ttriple317.3KN/AHonig and Kramer, 1969Metastable crystal phase; Uncertainty assigned by TRC = 0.06 K; TRC

Antoine Equation Parameters

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

View plot Requires a JavaScript / HTML 5 canvas capable browser.

Temperature (K) A B C Reference Comment
349.8 to 553.5.041622819.2396.399Stull, 1947Coefficents calculated by NIST from author's data.

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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: 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

(HP- • 4294967295phosphorus) + phosphorus = HP-

By formula: (HP- • 4294967295P) + P = HP-

Quantity Value Units Method Reference Comment
Δr325. ± 35.kJ/molN/AErvin and Lineberger, 2005gas phase
Δr325. ± 34.kJ/molTherZittel and Lineberger, 1976gas phase

(CAS Reg. No. 329230-30-0 • 4294967295phosphorus) + phosphorus = CAS Reg. No. 329230-30-0

By formula: (CAS Reg. No. 329230-30-0 • 4294967295P) + P = CAS Reg. No. 329230-30-0

Quantity Value Units Method Reference Comment
Δr354. ± 21.kJ/molN/AJones, Ganteför, et al., 1995gas phase; Vertical Detachment Energy: 1.68±0.05 eV

(OP- • 4294967295phosphorus) + phosphorus = OP-

By formula: (OP- • 4294967295P) + P = OP-

Quantity Value Units Method Reference Comment
Δr558.0 ± 3.5kJ/molN/AZittel and Lineberger, 1976gas phase

(CAS Reg. No. 55030-79-0 • 4294967295phosphorus) + phosphorus = CAS Reg. No. 55030-79-0

By formula: (CAS Reg. No. 55030-79-0 • 4294967295P) + P = CAS Reg. No. 55030-79-0

Quantity Value Units Method Reference Comment
Δr229.3 ± 3.3kJ/molN/ASnodgrass, Coe, et al., 1985gas phase

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes

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

Cox, Wagman, et al., 1984
Cox, J.D.; Wagman, D.D.; Medvedev, V.A., CODATA Key Values for Thermodynamics, Hemisphere Publishing Corp., New York, 1984, 1. [all data]

Chase, 1998
Chase, M.W., Jr., NIST-JANAF Themochemical Tables, Fourth Edition, J. Phys. Chem. Ref. Data, Monograph 9, 1998, 1-1951. [all data]

Honig and Kramer, 1969
Honig, R.E.; Kramer, D.A., Vapor pressure data for the solid and liquid elements, RCA Rev., 1969, 1969, 285. [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]

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]

Zittel and Lineberger, 1976
Zittel, P.F.; Lineberger, W.C., Laser photoelectron spectrometry of PO-, PH-, and PH2-, J. Chem. Phys., 1976, 65, 1236. [all data]

Jones, Ganteför, et al., 1995
Jones, R.O.; Ganteför, G.; Hunsicker, S.; Pieperhoff, P., Structure and Spectroscopy of Phosphorous Cluster anions: Theory (simulated annealing) and Experiment (Photoelectron Detachment), J. Chem. Phys., 1995, 103, 22, 9549, https://doi.org/10.1063/1.469969 . [all data]

Snodgrass, Coe, et al., 1985
Snodgrass, J.T.; Coe, J.V.; Freidhoff, C.B.; McHugh, K.M.; Bowen, K.H., Negative ion photoelectron spectroscopy of P2-, Chem. Phys. Lett., 1985, 122, 352. [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References