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Thiocyanic acid, methyl ester

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Phase change data

Go To: Top, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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 as indicated in comments:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil404.2KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Tfus218.65KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 0.5 K; TRC

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
40.7274.AStephenson and Malanowski, 1987Based on data from 259. - 406. K. See also Stull, 1947 and Dykyj, Svoboda, et al., 1999.; AC

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
259. - 406.14.289921566.033-40.643Stull, 1947Coefficents calculated by NIST from author's data.

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

Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias

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

Quantity Value Units Method Reference Comment
Proton affinity (review)796.7kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity766.1kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
9.96 ± 0.05PENeijzen and DeLange, 1980LLK
10.07 ± 0.01PIWatanabe, Nakayama, et al., 1962RDSH
9.96 ± 0.05PENeijzen and DeLange, 1980Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H2NS+12.6 ± 0.1HEITaft, Martin, et al., 1965RDSH

IR Spectrum

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

Gas Phase Spectrum

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IR spectrum
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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Sadtler Research Labs Under US-EPA Contract
State gas

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, 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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Mass spectrum
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Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW- 994
NIST MS number 230450

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, 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, temperature ramp

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Column type Active phase I Reference Comment
CapillaryMega 5MS661.Condurso, Verzera, et al., 200660. m/0.25 mm/0.25 «mu»m, He, 3. K/min; Tstart: 60. C; Tend: 240. C
CapillaryHP-5723.Solina, Baumgartner, et al., 200525. m/0.2 mm/1. «mu»m, He, 5. K/min, 280. C @ 5. min; Tstart: 40. C
CapillaryDB-1665.Flath, Light, et al., 199050. C @ 0.1 min, 4. K/min; Column length: 60. m; Column diameter: 0.32 mm; Tend: 250. C

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

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Column type Active phase I Reference Comment
CapillaryHP-5711.Engel, Baty, et al., 200230. m/0.25 mm/0.25 «mu»m, He; Program: 5C(5min) => 3C/min => 20C => 5C/min => 100C 15C/min => 150C (5min)

Van Den Dool and Kratz RI, polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryDB-Wax1276.Cho, Namgung, et al., 200830. m/0.25 mm/0.25 «mu»m, He, 40. C @ 1. min, 4. K/min, 200. C @ 10. min
CapillaryDB-Wax1276.Cho, Choi, et al., 200660. m/0.25 mm/0.25 «mu»m, He, 40. C @ 1. min, 4. K/min, 200. C @ 10. min
CapillaryDB-Wax1274.Cho, Choi, et al., 200660. m/0.25 mm/0.25 «mu»m, He, 40. C @ 1. min, 4. K/min, 200. C @ 10. min
CapillaryDB-Wax1266.Cha, Kim, et al., 199860. m/0.25 mm/0.25 «mu»m, 40. C @ 5. min, 3. K/min, 200. C @ 60. min

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

View large format table.

Column type Active phase I Reference Comment
CapillaryCP-Wax 52CB1278.Condurso, Verzera, et al., 200660. m/0.25 mm/0.25 «mu»m, He; Program: 45C(5min) => 10C/min => 80C => 2C/min => 240C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryOptima-5 MS693.Goeminne, Vandendriessche, et al., 201230. m/0.25 mm/0.25 «mu»m, Helium, 35. C @ 3. min, 10. K/min, 250. C @ 5. min
CapillaryDB-1665.Hansen, Buttery, et al., 199230. C @ 25. min, 4. K/min, 200. C @ 20. min; Column length: 60. m; Column diameter: 0.32 mm

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillarySupelcowax-101295.Forney and Jordan, 199860. m/0.53 mm/1. «mu»m, He; Program: 40C (2min) => 16C/min => 120C => 15C/min => 240C(3min)

References

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, 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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F., Freezing points of orgainic substances VI. New experimental determinations., Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [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]

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]

Neijzen and DeLange, 1980
Neijzen, B.J.M.; DeLange, C.A., Photoelectron spectroscopy of some thiocyanates, isocyanates and isothiocyanates, J. Electron Spectrosc. Relat. Phenom., 1980, 18, 179. [all data]

Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J., Ionization potentials of some molecules, J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]

Taft, Martin, et al., 1965
Taft, R.W.; Martin, R.H.; Lampe, F.W., Stabilization energies of substituted methyl cations. The effect of strong demand on the resonance order, J. Am. Chem. Soc., 1965, 87, 2490. [all data]

Condurso, Verzera, et al., 2006
Condurso, C.; Verzera, A.; Romeo, V.; Ziino, M.; Trozzi, A.; Ragusa, S., The leaf volatile constituents of Isatis tinctoria by solid-phase microextraction and gas chromatography/mass spectrometry, Planta Medica, 2006, 72, 10, 924-928, https://doi.org/10.1055/s-2006-946679 . [all data]

Solina, Baumgartner, et al., 2005
Solina, M.; Baumgartner, P.; Johnson, R.L.; Whitfield, F.B., Volatile aroma components of soy protein isolate and acid-hydrolysed vegetable protein, Food Chem., 2005, 90, 4, 861-873, https://doi.org/10.1016/j.foodchem.2004.06.005 . [all data]

Flath, Light, et al., 1990
Flath, R.A.; Light, D.M.; Jang, E.B.; Mon, T.R.; John, J.O., Headspace Examination of Volatile Emissions from Ripening Papaya (Carica papaya L., Solo Variety), J. Agric. Food Chem., 1990, 38, 4, 1060-1063, https://doi.org/10.1021/jf00094a032 . [all data]

Engel, Baty, et al., 2002
Engel, E.; Baty, C.; le Corre, D.; Souchon, I.; Martin, N., Flavor-active compounds potentially implicated in cooked cauliflower acceptance, J. Agric. Food Chem., 2002, 50, 22, 6459-6467, https://doi.org/10.1021/jf025579u . [all data]

Cho, Namgung, et al., 2008
Cho, I.H.; Namgung, H.-J.; Choi, H.-K.; Kim, Y.-S., Volatiles and key odorants in the pileus and stipe of pine-mushroom (Tricholoma matsutake Sing.), Food Chem., 2008, 106, 1, 71-76, https://doi.org/10.1016/j.foodchem.2007.05.047 . [all data]

Cho, Choi, et al., 2006
Cho, I.H.; Choi, H.-K.; Kim, Y.-S., Difference in the volatile composition of pine-mushrooms (Tricholoma matsutake Sing.) according to their grades, J. Agric. Food Chem., 2006, 54, 13, 4820-4825, https://doi.org/10.1021/jf0601416 . [all data]

Cha, Kim, et al., 1998
Cha, Y.J.; Kim, H.; Cadwallader, K.R., Aroma-active compounds in Kimchi during fermentation, J. Agric. Food Chem., 1998, 46, 5, 1944-1953, https://doi.org/10.1021/jf9706991 . [all data]

Goeminne, Vandendriessche, et al., 2012
Goeminne, P.C.; Vandendriessche, T.; Van Eldere, J.; Nicolai, B.M.; Hertog, M.L.; Dupont, L.J., Detection of Pseudomonas aeruginosa in sputum headspace through volatile organic compound analysis, Respiratory Res., 2012, 13, 87, 1-9. [all data]

Hansen, Buttery, et al., 1992
Hansen, M.; Buttery, R.G.; Stern, D.J.; Cantwell, M.I.; Ling, L.C., Broccoli storage under low-oxygen atmosphere: Identification of higher boiling volatiles, J. Agric. Food Chem., 1992, 40, 5, 850-852, https://doi.org/10.1021/jf00017a029 . [all data]

Forney and Jordan, 1998
Forney, C.F.; Jordan, M.A., Induction of volatile compounds in broccoli by postharvest hot-water dips, J. Agric. Food Chem., 1998, 46, 12, 5295-5301, https://doi.org/10.1021/jf980443a . [all data]


Notes

Go To: Top, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References