Thioketene

• Formula: C₂H₂S
• Molecular weight: 58.102
• IUPAC Standard InChI: InChI=1S/C2H2S/c1-2-3/h1H2 Copy

  
• IUPAC Standard InChIKey: CWMKZYCJCZVSHO-UHFFFAOYSA-N Copy
• CAS Registry Number: 18282-77-4
• 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.
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Vibrational and/or electronic energy levels
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Reaction thermochemistry 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: 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

C₂HS^- +  =

By formula: C₂HS^- + H⁺ = C₂H₂S

Gas phase ion energetics data

Go To: Top, 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.

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

Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₂H₂S⁺ (ion structure unspecified)

Ionization energy determinations

De-protonation reactions

C₂HS^- +  =

By formula: C₂HS^- + H⁺ = C₂H₂S

References

Go To: Top, Reaction thermochemistry 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.

Robinson, Davico, et al., 1994
Robinson, M.S.; Davico, G.E.; Bierbaum, V.M.; Depuy, C.H., The gas phase ion/molecule chemistry of the carbon-13 labeled ketenyl and methyl ketenyl anions with CS2, COS, and CO2, Int. J. Mass Spectrom. Ion Proc., 1994, 137, 107, https://doi.org/10.1016/0168-1176(94)04030-3 . [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]

Rosmus, Solouki, et al., 1977
Rosmus, P.; Solouki, B.; Bock, H., Ground and excited states of thioketene radical cation, H₂CCS⁺, Chem. Phys., 1977, 22, 453. [all data]

Bock, Solouki, et al., 1977
Bock, H.; Solouki, B.; Bert, G.; Rosmus, P., Unstable Intermediates.5.(1)Thioketene, J. Am. Chem. Soc., 1977, 99, 1663. [all data]

Notes

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  ΔfH(+) ion,0K	Enthalpy of formation of positive ion at 0K
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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