phosphorus
- Formula: P
- Molecular weight: 30.973762
- IUPAC Standard InChIKey: OAICVXFJPJFONN-UHFFFAOYSA-N
- CAS Registry Number: 7723-14-0
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: red phosphorus; Phosphorus atom
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- Other data available:
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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 |
---|---|---|---|---|---|
ΔfH°gas | 316.5 ± 1.0 | kJ/mol | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
ΔfH°gas | 316.39 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1961 |
Quantity | Value | Units | Method | Reference | Comment |
S°gas,1 bar | 163.199 ± 0.003 | J/mol*K | Review | Cox, Wagman, et al., 1984 | CODATA Review value |
S°gas,1 bar | 163.20 | J/mol*K | Review | Chase, 1998 | Data 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.
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Temperature (K) | 1180.008 to 2200. | 2200. to 6000. |
---|---|---|
A | 20.44403 | -2.107549 |
B | 1.051745 | 9.311953 |
C | -1.098514 | -0.557522 |
D | 0.377924 | -0.020498 |
E | 0.010645 | 29.30064 |
F | 310.2930 | 353.6459 |
G | 187.7302 | 190.4707 |
H | 316.3903 | 316.3903 |
Reference | Chase, 1998 | Chase, 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 |
---|---|---|---|---|---|
ΔfH°liquid | 0.62 | kJ/mol | Review | Chase, 1998 | Data last reviewed in June, 1961 |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid,1 bar | 43.01 | J/mol*K | Review | Chase, 1998 | Data last reviewed in June, 1961 |
Quantity | Value | Units | Method | Reference | Comment |
ΔfH°solid | -17.46 | kJ/mol | Review | Chase, 1998 | red, v phase; Data last reviewed in June, 1961 |
Quantity | Value | Units | Method | Reference | Comment |
S°solid,1 bar | 41.09 ± 0.25 | J/mol*K | Review | Cox, Wagman, et al., 1984 | white 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.
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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 |
Reference | Chase, 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.
Temperature (K) | 298. to 317.3 | 298. to 317.3 | 298. to 317.3 | 298. to 317.3 |
---|---|---|---|---|
A | 24.32214 | 16.45576 | 28.04226 | 28.38677 |
B | -1.809807 | 43.28892 | -18.96093 | -19.14360 |
C | 7.486431 | -58.73876 | 36.61209 | 36.82476 |
D | 3.147950 | 25.60646 | -13.81611 | -13.89983 |
E | -0.296815 | -0.086728 | -0.357001 | -0.358810 |
F | -25.70876 | -6.657121 | -21.45191 | -21.96617 |
G | 50.77995 | 49.97160 | 59.26845 | 59.11030 |
H | -17.46004 | 0.000000 | -12.43903 | -12.85103 |
Reference | Chase, 1998 | Chase, 1998 | Chase, 1998 | Chase, 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
By formula: (HP- • 4294967295P) + P = HP-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 325. ± 35. | kJ/mol | N/A | Ervin and Lineberger, 2005 | gas phase |
ΔrH° | 325. ± 34. | kJ/mol | Ther | Zittel and Lineberger, 1976 | gas phase |
(CAS Reg. No. 329230-30-0 • 4294967295) +
= 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 |
---|---|---|---|---|---|
ΔrH° | 354. ± 21. | kJ/mol | N/A | Jones, Ganteför, et al., 1995 | gas phase; Vertical Detachment Energy: 1.68±0.05 eV |
By formula: (OP- • 4294967295P) + P = OP-
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 558.0 ± 3.5 | kJ/mol | N/A | Zittel and Lineberger, 1976 | gas phase |
(CAS Reg. No. 55030-79-0 • 4294967295) +
= 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 |
---|---|---|---|---|---|
ΔrH° | 229.3 ± 3.3 | kJ/mol | N/A | Snodgrass, Coe, et al., 1985 | gas 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
- Symbols used in this document:
S°gas,1 bar Entropy of gas at standard conditions (1 bar) S°liquid,1 bar Entropy of liquid at standard conditions (1 bar) S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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