sulfur
- Formula: S
- Molecular weight: 32.065
- IUPAC Standard InChIKey: NINIDFKCEFEMDL-UHFFFAOYSA-N
- CAS Registry Number: 7704-34-9
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Insoluble sulfur; Sulphur; Sulfur atom
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- Other data available:
- Data at other public NIST sites:
- NIST Atomic Spectra Database - Lines Holdings (on physics web site)
- NIST Atomic Spectra Database - Levels Holdings (on physics web site)
- NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
- Gas Phase Kinetics Database
- X-ray Photoelectron Spectroscopy Database, version 5.0
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Phase change data
Go To: Top, 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 |
---|---|---|---|---|---|
Tc | 1313. | K | N/A | Rau, Kutty, et al., 1973 | Uncertainty assigned by TRC = 1.31 K |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 182.081 | bar | N/A | Rau, Kutty, et al., 1973 | Uncertainty assigned by TRC = 0.1818 bar; Vapour pressure measured to 1273 K |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 17.6 | mol/l | N/A | Rau, Kutty, et al., 1973 | Uncertainty assigned by TRC = 0.175 mol/l; Density measured to 1273 K |
Gas phase ion energetics data
Go To: Top, 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) | 10.36001 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 664.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 640.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
2.017149 ± 0.000009 | LPD | Wells and Yukich, 2009 | Given: 16269.380(88) Cm-1 or 2.1071466±0.0000109 eV; B |
2.077098 ± 0.000044 | LPD | Blondel, Chaibi, et al., 2005 | (32)S: 2.0771040(9) eV: revised analysis of Blondel, Delsart, et al., 2001; B |
2.07 ± 0.13 | D-EA | Rempala and Ervin, 2000 | B |
2.07720 ± 0.00050 | LPES | Lineberger and Woodward, 1970 | Revised per 1986 CODATA (95BLO) to 2.077104(3) eV; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.36001 | EVAL | Lide, 1992 | LL |
10.360 | S | Kelly, 1987 | LBLHLM |
10.36 | PE | Dunlavey, Dyke, et al., 1979 | LLK |
10.4 ± 0.3 | EI | Smoes, Drowart, et al., 1978 | LLK |
10.4 ± 0.3 | EI | Smoes, Drowart, et al., 1977 | LLK |
10.36 | S | Hildenbrand, 1976 | LLK |
10.5 ± 0.3 | EI | Hildenbrand, 1976 | LLK |
10.5 | EI | Hildenbrand, 1975 | LLK |
10.5 ± 0.3 | EI | Hildenbrand, 1975, 2 | LLK |
10.5 ± 0.3 | EI | Hildenbrand, 1972 | LLK |
10.3 ± 0.3 | EI | Edwards, Franzen, et al., 1971 | LLK |
10.36001 | S | Moore, 1970 | RDSH |
~11. ± 0.5 | EI | Cater, Rauh, et al., 1968 | RDSH |
References
Go To: Top, 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.
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, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
EA Electron affinity IE (evaluated) Recommended ionization energy Pc Critical pressure Tc Critical temperature ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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