Cyclic octaatomic sulfur

• Formula: S₈
• Molecular weight: 256.520
• IUPAC Standard InChI: InChI=1S/S8/c1-2-4-6-8-7-5-3-1 Copy

  
• IUPAC Standard InChIKey: JLQNHALFVCURHW-UHFFFAOYSA-N Copy
• CAS Registry Number: 10544-50-0
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Sulfur (S8); Sulfur octamer; Sulfur, mol. (S8); Cyclooctasulfur; Octathiocane; Orthorhombic sulfur; Sulfur molecule (S8); S8; Cyclooctasulphur; Octasulfur; 115725-44-5; Sulfur
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• Information on this page:
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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Gas phase ion energetics data

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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:
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

Electron affinity determinations

Ionization energy determinations

Appearance energy determinations

Mass spectrum (electron ionization)

Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

Gas Chromatography

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, custom temperature program

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Normal alkane RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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Lee's RI, non-polar column, custom temperature program

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References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Hunsicker, Jones, et al., 1995
Hunsicker, S.; Jones, R.O.; Gantefor, G., Rings and chains in sulfur cluster anions S- to S-9(-): Theory (simulated annealing) and experiment (photoelectron detachment), J. Chem. Phys., 1995, 102, 15, 5917, https://doi.org/10.1063/1.469326 . [all data]

Rosinger, Grade, et al., 1983
Rosinger, W.; Grade, M.; Hirschwald, W., Detection of ion states of S₂ to S₈ by electron impact, Int. J. Mass Spectrom. Ion Processes, 1983, 47, 239. [all data]

Berkowitz and Lifshitz, 1968
Berkowitz, J.; Lifshitz, C., Photoionization of high temperature vapors. II. Sulfur molecular species, J. Chem. Phys., 1968, 48, 4346. [all data]

Berkowitz and Chupka, 1964
Berkowitz, J.; Chupka, W.A., Vaporization processes involving sulfur, J. Chem. Phys., 1964, 40, 287. [all data]

Hagemann, 1962
Hagemann, R., Determination de la chaleur de formation de S₂O par spectrometrie de masse, Compt. Rend., 1962, 255, 1102. [all data]

Richardson and Weinberger, 1975
Richardson, N.V.; Weinberger, P., The electronic structure of the S₈ molecule, J. Electron Spectrosc. Relat. Phenom., 1975, 6, 109. [all data]

Boschi and Schmidt, 1973
Boschi, R.; Schmidt, W., The photoelectron spectrum and structure of sulfur in the gas phase at 140 C, Inorg. Nucl. Chem. Lett., 1973, 9, 643. [all data]

Andriamaharavo, 2014
Andriamaharavo, N.R., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2014. [all data]

Kotowska, Zalikowski, et al., 2012
Kotowska, U.; Zalikowski, M.; Isidorov, V.A., HS-SPME/GC-MS analysis of volatile and semi-volatile organic compounds emitted from municipal sewage sludge, Environ. Monit. Asses., 2012, 184, 5, 2893-2907, https://doi.org/10.1007/s10661-011-2158-8 . [all data]

Nadaf, Halimi, et al., 2012
Nadaf, M.; Halimi, M.; Mortazavi, M., Identification of nonpolar chemical composition Spartium junceum flower growing in Iran by GC-MS, Middle-East J. Sci. Res., 2012, 11, 2, 221-224. [all data]

Eckel, Ross, et al., 1993
Eckel, W.P.; Ross, B.; Isensee, R.K., Pentobarbital found in ground water, Ground Water, 1993, 31, 5, 801-804, https://doi.org/10.1111/j.1745-6584.1993.tb00853.x . [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  EA	Electron affinity

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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