Thiophene, tetrahydro-

• Formula: C₄H₈S
• Molecular weight: 88.171
• IUPAC Standard InChI: InChI=1S/C4H8S/c1-2-4-5-3-1/h1-4H2 Copy

  
• IUPAC Standard InChIKey: RAOIDOHSFRTOEL-UHFFFAOYSA-N Copy
• CAS Registry Number: 110-01-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Tetramethylene sulfide; Tetrahydrothiophene; Tetrahydrothiophen; Thiacyclopentane; Thilane; Thiolane; Thiophane; Tetramethylene sulphide; Thiolan; THT; Tetrahydrothiofen; Thiofan; UN 2412; Pennodorant 1013; NSC 5272
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Ion clustering data
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
• Data at other public NIST sites:
  • Computational Chemistry Comparison and Benchmark Database
  • Gas Phase Kinetics Database
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Gas phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Reaction thermochemistry 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 by: Michael M. Meot-Ner (Mautner) and Sharon G. Lias

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

(C₄H₈S⁺ • ) +  = (C₄H₈S⁺ • 2)

By formula: (C₄H₈S⁺ • C₄H₈S) + C₄H₈S = (C₄H₈S⁺ • 2C₄H₈S)

(C₄H₉S⁺ • ) +  = (C₄H₉S⁺ • 2)

By formula: (C₄H₉S⁺ • C₄H₈S) + C₄H₈S = (C₄H₉S⁺ • 2C₄H₈S)

C₄H₉S⁺ +  = (C₄H₉S⁺ • )

By formula: C₄H₉S⁺ + C₄H₈S = (C₄H₉S⁺ • C₄H₈S)

C₄H₈S⁺ +  = (C₄H₈S⁺ • )

By formula: C₄H₈S⁺ + C₄H₈S = (C₄H₈S⁺ • C₄H₈S)

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

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

View reactions leading to C₄H₈S⁺ (ion structure unspecified)

Ionization energy determinations

Appearance energy determinations

References

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

Davies and Sunner, 1962
Davies, J.V.; Sunner, S., Heats of combustion and formation of thiolane and of the thiolenes, Acta Chem. Scand., 1962, 16, 1870-1876. [all data]

Sunner, 1963
Sunner, S., Corrected heat of combustion and formation values for a number of organic sulphur compounds, Acta Chem. Scand., 1963, 17, 728-730. [all data]

Hubbard, Katz, et al., 1954
Hubbard, W.N.; Katz, C.; Waddington, G., A rotating combustion bomb for precision calorimetry. Heats of combustion of some sulfur-containing compounds, J. Phys. Chem., 1954, 58, 142. [all data]

Hiraoka, Takimoto, et al., 1987
Hiraoka, K.; Takimoto, H.; Yamabe, S., Stabilities and Structures in Cluster Ions of Five-Membered Heterocyclic Compounds Containing O, N and S Atoms, J. Am. Chem. Soc., 1987, 109, 24, 7346, https://doi.org/10.1021/ja00258a018 . [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]

Butler and Baer, 1983
Butler, J.J.; Baer, T., A photoionization study of organosulfur ring compounds: Thiirane, thietane and tetrahydrothiophene, Org. Mass Spectrom., 1983, 18, 248. [all data]

Distefano, Foffani, et al., 1971
Distefano, G.; Foffani, A.; Innorta, G.; Pignataro, S., Mass spectrometric study of transition metal complexes with ligands having nitrogen or sulphur as donor atom, Adv. Mass Spectrom., 1971, 5, 696. [all data]

Distefano, Foffani, et al., 1971, 2
Distefano, G.; Foffani, A.; Innorta, G.; Pignataro, S., Electron impact ionization potentials of some manganese, chromium and tungsten organometallic derivatives, Int. J. Mass Spectrom. Ion Phys., 1971, 7, 383. [all data]

Gallegos and Kiser, 1962
Gallegos, E.J.; Kiser, R.W., Electron impact spectroscopy of the four- and five-membered, saturated heterocyclic compounds containing nitrogen, oxygen and sulfur, J. Phys. Chem., 1962, 66, 136. [all data]

Schmidt and Schweig, 1973
Schmidt, H.; Schweig, A., Ausschluss transanularer Wechselwirkung in 2.5-Dihydrothiophen, Tetrahedron Lett., 1973, 1437. [all data]

Butler and Baer, 1982
Butler, J.J.; Baer, T., Photoionization study of the heat of formation of HCS⁺, J. Am. Chem. Soc., 1982, 104, 5016. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔrS°	Entropy of reaction at standard conditions

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