Thioketene
- Formula: C2H2S
- Molecular weight: 58.102
- IUPAC Standard InChIKey: CWMKZYCJCZVSHO-UHFFFAOYSA-N
- CAS Registry Number: 18282-77-4
- Chemical structure:
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Reaction thermochemistry data
Go To: Top, Vibrational and/or electronic energy levels, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1469. ± 17. | kJ/mol | G+TS | Robinson, Davico, et al., 1994 | gas phase; Data listed as M.R. Krempp, personal communication, 1994 |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1436. ± 17. | kJ/mol | IMRB | Robinson, Davico, et al., 1994 | gas phase; Data listed as M.R. Krempp, personal communication, 1994 |
Vibrational and/or electronic energy levels
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 compiled by: Marilyn E. Jacox
State: A
Energy (cm-1) |
Med. | Transition | λmin (nm) |
λmax (nm) |
References | ||
---|---|---|---|---|---|---|---|
To = 17995 | T | gas | A-X | 450 | 550 | Clouthier, 1987 | |
Vib. sym. |
No. | Approximate type of mode |
cm-1 | Med. | Method | References | |
---|---|---|---|---|---|---|---|
a' | 2 | C=C stretch | 1402 | gas | AB | Clouthier, 1987 | |
8 | CCS bend | 284 | T | gas | AB | Clouthier, 1987 | |
State: X
Additional references: Jacox, 1994, page 255; Jacox, 1998, page 282; Georgiou, Kroto, et al., 1974; Bak, Nielsen, et al., 1979; Georgiou, Kroto, et al., 1979; Winnewisser and Schafer, 1980
Notes
w | Weak |
m | Medium |
s | Strong |
vs | Very strong |
T | Tentative assignment or approximate value |
o | Energy separation between the v = 0 levels of the excited and electronic ground states. |
References
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, 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]
Clouthier, 1987
Clouthier, D.J.,
The electronic spectrum of thioketene and the excited-state structure of ketene,
J. Phys. Chem., 1987, 91, 6, 1354, https://doi.org/10.1021/j100290a016
. [all data]
Kroto and McNaughton, 1985
Kroto, H.W.; McNaughton, D.,
Fourier transform infrared spectrum of thioketene, CH2«58875»C«58875»S,
J. Mol. Spectrosc., 1985, 114, 2, 473, https://doi.org/10.1016/0022-2852(85)90239-5
. [all data]
Krantz and Laureni, 1974
Krantz, A.; Laureni, J.,
Matrix photolysis of 1,2,3-thiadiazole. Possible involvement of thiirene,
J. Am. Chem. Soc., 1974, 96, 21, 6768, https://doi.org/10.1021/ja00828a043
. [all data]
Krantz and Laureni, 1981
Krantz, A.; Laureni, J.,
Characterization of matrix-isolated antiaromatic three-membered heterocycles. Preparation of the elusive thiirene molecule,
J. Am. Chem. Soc., 1981, 103, 3, 486, https://doi.org/10.1021/ja00393a002
. [all data]
Torres, Safarik, et al., 1984
Torres, M.; Safarik, I.; Clement, A.; Gosavi, R.K.; Strausz, O.P.,
The vibrational spectra of thioketene and deuterothioketenes,
Can. J. Chem., 1984, 62, 12, 2777, https://doi.org/10.1139/v84-471
. [all data]
Hawkins, Almond, et al., 1985
Hawkins, M.; Almond, M.J.; Downs, A.J.,
Photochemistry of low-temperature matrixes containing carbonyl sulfide: reactions of sulfur atoms with the phosphorus trihalides phosphorus trifluoride (PF3) and phosphorus trichloride (PCl3) and the hydrocarbons methane, ethene, and ethyne,
J. Phys. Chem., 1985, 89, 15, 3326, https://doi.org/10.1021/j100261a034
. [all data]
Jarman and Kroto, 1991
Jarman, C.N.; Kroto, H.W.,
J. Chem. Soc., 1991, Faraday Trans. 87, 1815. [all data]
McNaughton, Robertson, et al., 1996
McNaughton, D.; Robertson, E.G.; Hatherley, L.D.,
Resonance between the Ground Vibrational State and the Lowest Frequency Bending Mode of Thioketene,
J. Mol. Spectrosc., 1996, 175, 2, 377, https://doi.org/10.1006/jmsp.1996.0043
. [all data]
Jacox, 1994
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]
Jacox, 1998
Jacox, M.E.,
Vibrational and electronic energy levels of polyatomic transient molecules: supplement A,
J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017
. [all data]
Georgiou, Kroto, et al., 1974
Georgiou, K.; Kroto, H.W.; Landsberg, B.M.,
J. Chem. Soc., 1974, Chem. Commun., 739. [all data]
Bak, Nielsen, et al., 1979
Bak, B.; Nielsen, O.J.; Svanholt, H.; Holm, A.; Toubro, N.H.; Krantz, A.; Laureni, J.,
Microwave Spectra of Thioketene and Four of Its Isotopic Species.,
Acta Chem. Scand. A33, 1979, 33a, 161, https://doi.org/10.3891/acta.chem.scand.33a-0161
. [all data]
Georgiou, Kroto, et al., 1979
Georgiou, K.; Kroto, H.W.; Landsberg, B.M.,
The microwave spectrum, substitution structure, and dipole moment of thioketen, H2C«58875»C«58875»S,
J. Mol. Spectrosc., 1979, 77, 3, 365, https://doi.org/10.1016/0022-2852(79)90178-4
. [all data]
Winnewisser and Schafer, 1980
Winnewisser, M.; Schafer, E.,
Z. Naturforsch., 1980, 35a, 483. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References
- Symbols used in this document:
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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