Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

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, 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
Deltafgas75.65 ± 0.24kcal/molReviewCox, Wagman, et al., 1984CODATA Review value
Deltafgas75.619kcal/molReviewChase, 1998Data last reviewed in June, 1961
Quantity Value Units Method Reference Comment
gas,1 bar39.0055 ± 0.0007cal/mol*KReviewCox, Wagman, et al., 1984CODATA Review value
gas,1 bar39.006cal/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 (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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

View table.

Temperature (K) 1180.008 - 2200.2200. - 6000.
A 4.886241-0.503716
B 0.2513732.225610
C -0.262551-0.133251
D 0.090326-0.004899
E 0.0025447.003022
F 74.1618184.52340
G 44.8686045.52359
H 75.6191075.61910
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, 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
Deltafliquid0.15kcal/molReviewChase, 1998Data last reviewed in June, 1961
Quantity Value Units Method Reference Comment
liquid,1 bar10.28cal/mol*KReviewChase, 1998Data last reviewed in June, 1961
Quantity Value Units Method Reference Comment
Deltafsolid-4.173kcal/molReviewChase, 1998red, v phase; Data last reviewed in June, 1961
Quantity Value Units Method Reference Comment
solid,1 bar9.821 ± 0.060cal/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 (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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

View table.

Temperature (K) 317.3 - 1180.008
A 6.292070
B 2.488939×10-11
C -1.463040×10-11
D 2.614800×10-12
E 7.158691×10-13
F -1.729031
G 17.89410
H 0.146989
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 (cal/mol*K)
    H° = standard enthalpy (kcal/mol)
    S° = standard entropy (cal/mol*K)
    t = temperature (K) / 1000.

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

View table.

Temperature (K) 298. - 317.3298. - 317.3298. - 317.3298. - 317.3
A 5.8131313.9330226.7022616.784601
B -0.43255410.34630-4.531772-4.575431
C 1.789300-14.038908.7505008.801329
D 0.7523786.120091-3.302130-3.322140
E -0.070940-0.020728-0.085325-0.085758
F -6.144542-1.591091-5.127130-5.250041
G 12.1367011.9435014.1655014.12770
H -4.1730500.000000-2.973000-3.071470
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

Reaction thermochemistry data

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

(CAS Reg. No. 23841-34-1 bullet 4294967295phosphorus) + phosphorus = CAS Reg. No. 23841-34-1

By formula: (CAS Reg. No. 23841-34-1 bullet 4294967295P) + P = CAS Reg. No. 23841-34-1

Quantity Value Units Method Reference Comment
Deltar77.6 ± 8.3kcal/molN/AErvin and Lineberger, 2005gas phase
Deltar77.7 ± 8.2kcal/molTherZittel and Lineberger, 1976gas phase

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

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

Quantity Value Units Method Reference Comment
Deltar84.7 ± 5.0kcal/molN/AJones, Ganteför, et al., 1995gas phase; Vertical Detachment Energy: 1.68±0.05 eV

(CAS Reg. No. 12186-90-2 bullet 4294967295phosphorus) + phosphorus = CAS Reg. No. 12186-90-2

By formula: (CAS Reg. No. 12186-90-2 bullet 4294967295P) + P = CAS Reg. No. 12186-90-2

Quantity Value Units Method Reference Comment
Deltar133.37 ± 0.83kcal/molN/AZittel and Lineberger, 1976gas phase

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

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

Quantity Value Units Method Reference Comment
Deltar54.81 ± 0.79kcal/molN/ASnodgrass, Coe, et al., 1985gas phase

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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]

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, Reaction thermochemistry data, References