Benzenemethanethiol

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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

Quantity Value Units Method Reference Comment
Δfgas22.26 ± 0.27kcal/molCcrGood, 1972 
Δfgas20.96 ± 0.48kcal/molCcrMackle and McClean, 1962Reanalyzed by Cox and Pilcher, 1970, Original value = 21.9 ± 0.6 kcal/mol

Condensed 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

Quantity Value Units Method Reference Comment
Δfliquid8.73 ± 0.26kcal/molCcrGood, 1972 
Δfliquid10.50 ± 0.50kcal/molCcrMackle and McClean, 1962Reanalyzed by Cox and Pilcher, 1970, Original value = 9.55 ± 0.48 kcal/mol
Quantity Value Units Method Reference Comment
Δcliquid-1084.23 ± 0.24kcal/molCcrGood, 1972Reanalyzed by Pedley, Naylor, et al., 1986, Original value = -1084.12 ± 0.24 kcal/mol
Δcliquid-1086.07 ± 0.48kcal/molCcrMackle and McClean, 1962Reanalyzed by Cox and Pilcher, 1970, Original value = -1083.95 ± 0.48 kcal/mol

Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil467.7KN/AWeast and Grasselli, 1989BS
Tboil468.KN/AAmerican Tokyo Kasei, 1988BS
Tboil467.15KN/AHoffmann, Ess, et al., 1956Uncertainty assigned by TRC = 2. K; TRC
Tboil467.KN/AZinner, 1953Uncertainty assigned by TRC = 3. K; TRC
Tboil468.KN/ABacker and Dijkstra, 1932Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Δvap13.53 ± 0.05kcal/molVGood, 1972ALS
Δvap13.5kcal/molN/AGood, 1972DRB
Δvap13.5 ± 0.02kcal/molN/AGood, 1972AC
Δvap12.3 ± 0.4kcal/molEMackle and McClean, 1962ALS
Δvap10.5kcal/molN/AMackle and McClean, 1962DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Reference Comment
11.4409.Dykyj, Svoboda, et al., 1999Based on data from 394. to 436. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV) Method Reference Comment
8.5PEFrost, Herring, et al., 1972LLK
8.85PEFrost, Herring, et al., 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C7H7+12.0SHEIGowenlock, Kay, et al., 1963RDSH

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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.

Good, 1972
Good, W.D., Enthalpies of combustion of 18 organic sulfur compounds related to petroleum, J. Chem. Eng. Data, 1972, 17, 158-162. [all data]

Mackle and McClean, 1962
Mackle, H.; McClean, R.T.B., Studies in the thermochemistry of organic sulphides. Part 4.-Heat of formation of the mercaptyl radical, Trans. Faraday Soc., 1962, 58, 895-899. [all data]

Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]

Pedley, Naylor, et al., 1986
Pedley, J.B.; Naylor, R.D.; Kirby, S.P., Thermochemical Data of Organic Compounds, Chapman and Hall, New York, 1986, 1-792. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

American Tokyo Kasei, 1988
American Tokyo Kasei, TCI American Organic Chemical 88/89 Catalog, American Tokyo Kasei, Portland, OR, 1988, 1610. [all data]

Hoffmann, Ess, et al., 1956
Hoffmann, F.W.; Ess, R.J.; Simmons, T.C.; Hanzel, R.S., The Desulfurization of Mercaptans with Trialkyl Phosphites, J. Am. Chem. Soc., 1956, 78, 6414. [all data]

Zinner, 1953
Zinner, H., Perparation of Mercaptans, Chem. Ber., 1953, 86, 825. [all data]

Backer and Dijkstra, 1932
Backer, H.J.; Dijkstra, N.D., The Thioethers of Pentaerythritol, Recl. Trav. Chim. Pays-Bas, 1932, 51, 289. [all data]

Dykyj, Svoboda, et al., 1999
Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.L.; Hall, K.R., Vapor Pressure of Chemicals: Part A. Vapor Pressure and Antoine Constants for Hydrocarbons and Sulfur, Selenium, Tellurium and Hydrogen Containing Organic Compounds, Springer, Berlin, 1999, 373. [all data]

Frost, Herring, et al., 1972
Frost, D.C.; Herring, F.G.; Katrib, A.; McDowell, C.A.; McLean, R.A.N., Photoelectron spectra of CH3SH, (CH3)2S, C6H5SH, and C6H5CH2SH; the bonding between sulfur and carbon, J. Phys. Chem., 1972, 76, 1030. [all data]

Gowenlock, Kay, et al., 1963
Gowenlock, B.G.; Kay, J.; Majer, J.R., Electron impact studies of some sulphides and disulphides, J. Chem. Soc. Faraday Trans., 1963, 59, 2463. [all data]


Notes

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