sulfur

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Condensed phase thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics 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
Δfliquid1.85kJ/molReviewChase, 1998Data last reviewed in September, 1977
Quantity Value Units Method Reference Comment
liquid,1 bar36.85J/mol*KReviewChase, 1998Data last reviewed in September, 1977
Quantity Value Units Method Reference Comment
solid,1 bar32.054 ± 0.050J/mol*KReviewCox, Wagman, et al., 1984rhombic 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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View table.

Temperature (K) 388.36 to 432.432. to 882.117
A -4540.970-37.93350
B 26065.60133.2420
C -55520.70-95.32450
D 42012.2024.00940
E 54.588607.654530
F 787.807029.78810
G -10826.30-13.15340
H 1.8537811.853781
ReferenceChase, 1998Chase, 1998
Comment Data last reviewed in September, 1977 Data last reviewed in September, 1977

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.

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View table.

Temperature (K) 298. to 388.36298. to 388.36
A 21.2197824.23749
B 3.865858-4.983060
C 22.2746133.00900
D -10.31908-15.29616
E -0.122518-0.182237
F -7.085604-7.516263
G 54.9957561.49141
H 0.0000000.360001
ReferenceChase, 1998Chase, 1998
Comment orthorhombic phase; Data last reviewed in September, 1977 monoclinic phase; Data last reviewed in September, 1977

Phase change data

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director

Quantity Value Units Method Reference Comment
Tc1313.KN/ARau, Kutty, et al., 1973Uncertainty assigned by TRC = 1.31 K
Quantity Value Units Method Reference Comment
Pc182.081barN/ARau, Kutty, et al., 1973Uncertainty assigned by TRC = 0.1818 bar; Vapour pressure measured to 1273 K
Quantity Value Units Method Reference Comment
ρc17.6mol/lN/ARau, Kutty, et al., 1973Uncertainty assigned by TRC = 0.175 mol/l; Density measured to 1273 K

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:


Gas phase ion energetics data

Go To: Top, 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to S+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)10.36001eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)664.3kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity640.2kJ/molN/AHunter and Lias, 1998HL

Electron affinity determinations

EA (eV) Method Reference Comment
2.017149 ± 0.000009LPDWells and Yukich, 2009Given: 16269.380(88) Cm-1 or 2.1071466±0.0000109 eV; B
2.077098 ± 0.000044LPDBlondel, Chaibi, et al., 2005(32)S: 2.0771040(9) eV: revised analysis of Blondel, Delsart, et al., 2001; B
2.07 ± 0.13D-EARempala and Ervin, 2000B
2.07720 ± 0.00050LPESLineberger and Woodward, 1970Revised per 1986 CODATA (95BLO) to 2.077104(3) eV; B

Ionization energy determinations

IE (eV) Method Reference Comment
10.36001EVALLide, 1992LL
10.360SKelly, 1987LBLHLM
10.36PEDunlavey, Dyke, et al., 1979LLK
10.4 ± 0.3EISmoes, Drowart, et al., 1978LLK
10.4 ± 0.3EISmoes, Drowart, et al., 1977LLK
10.36SHildenbrand, 1976LLK
10.5 ± 0.3EIHildenbrand, 1976LLK
10.5EIHildenbrand, 1975LLK
10.5 ± 0.3EIHildenbrand, 1975, 2LLK
10.5 ± 0.3EIHildenbrand, 1972LLK
10.3 ± 0.3EIEdwards, Franzen, et al., 1971LLK
10.36001SMoore, 1970RDSH
~11. ± 0.5EICater, Rauh, et al., 1968RDSH

References

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

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

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

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]

Rau, Kutty, et al., 1973
Rau, H.; Kutty, T.R.N.; Guedes de Carvalho, J.R.F., High temperature saturated vapor pressure of sulphur and the estimation of its critical quantities, J. Chem. Thermodyn., 1973, 5, 291-302. [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Wells and Yukich, 2009
Wells, J.E.; Yukich, J.N., Photodetachment spectroscopy from the lowest threshold of S-, Phys. Rev. A, 2009, 80, 5, 055403, https://doi.org/10.1103/PhysRevA.80.055403 . [all data]

Blondel, Chaibi, et al., 2005
Blondel, C.; Chaibi, W.; Delsart, C.; Drag, C.; Goldfarb, F.; Kroger, S., The electron affinities of O, Si, and S revisited with the photodetachment microscope, Eur. Phys. J. D, 2005, 33, 3, 335-342, https://doi.org/10.1140/epjd/e2005-00069-9 . [all data]

Blondel, Delsart, et al., 2001
Blondel, C.; Delsart, C.; Goldfarb, F., Electron spectrometry at the mu eV level and the electron affinities of Si and F, J. Phys. B: Atom. Mol. Opt. Phys., 2001, 34, 9, L281-L288, https://doi.org/10.1088/0953-4075/34/9/101 . [all data]

Rempala and Ervin, 2000
Rempala, K.; Ervin, K.M., Collisional activation of the Endoergic Hydrogen Atom Transfer Reaction S-(2P) + H2 - SH- + H, J. Chem. Phys., 2000, 112, 10, 4579, https://doi.org/10.1063/1.481016 . [all data]

Lineberger and Woodward, 1970
Lineberger, W.C.; Woodward, B.W., High Resolution Photodetachment of S- Near Threshold, Phys. Rev. Lett., 1970, 25, 7, 424, https://doi.org/10.1103/PhysRevLett.25.424 . [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Kelly, 1987
Kelly, R.L., Atomic and ionic spectrum lines of hydrogen through kryton, J. Phys. Chem. Ref. Data, 1987, 16. [all data]

Dunlavey, Dyke, et al., 1979
Dunlavey, S.; Dyke, J.; Fayad, N.; Jonathan, N.; Morris, A., Vacuum ultraviolet photoelectron spectroscopy of transient species. Part 10. The SH(X2çi) radical and the S(3P) atom, Mol. Phys., 1979, 38, 729. [all data]

Smoes, Drowart, et al., 1978
Smoes, S.; Drowart, J.; Welter, J.M., Thermodynamic study of the vaporization of europium sulfide by the mass spectrometric Knudsen cell method, Adv. Mass Spectrom., 1978, 7, 622. [all data]

Smoes, Drowart, et al., 1977
Smoes, S.; Drowart, J.; Welter, J.M., Thermodynamic study of the vaporization of europium monosulfide by Knudsen-cell mass spectrometry atomization energies of EuS(g), Eu2S(g), EuS2(g), Eu2O(g), Eu2O2(g), Eu2OS(g), and Eu2S2(g), J. Chem. Thermodyn., 1977, 9, 275. [all data]

Hildenbrand, 1976
Hildenbrand, D.L., Thermochemical studies of the gaseous lower valent fluorides of molybdenum, J. Chem. Phys., 1976, 65, 614. [all data]

Hildenbrand, 1975
Hildenbrand, D.L., Dissociation energy and ionization potential of the molecule CF, Chem. Phys. Lett., 1975, 32, 523. [all data]

Hildenbrand, 1975, 2
Hildenbrand, D.L., Thermochemistry of the gaseous tungsten fluorides, Chem. Phys. Lett., 1975, 62, 3074. [all data]

Hildenbrand, 1972
Hildenbrand, D.L., Thermochemistry of the molecules CS and CS+, Chem. Phys. Lett., 1972, 15, 379. [all data]

Edwards, Franzen, et al., 1971
Edwards, J.G.; Franzen, H.F.; Gilles, P.W., High-temperature mass spectrometry, vaporization, and thermodynamics of titanium monosulfide, J. Chem. Phys., 1971, 54, 545. [all data]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]

Cater, Rauh, et al., 1968
Cater, E.D.; Rauh, E.G.; Thorn, R.J., Thermochemistry of UOS; evaporation of US-UO2 mixtures; on the attainment of equilibrium in Knudsen cells, J. Chem. Phys., 1968, 49, 5244. [all data]


Notes

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