Benzoic acid, 4-methoxy-

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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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-108.0 ± 0.33kcal/molCcbColomina, Jimenez, et al., 1978ALS
Quantity Value Units Method Reference Comment
gas98.7cal/mol*KN/AAlcolea P.M., 1994This value was calculated by semiempirical AM1 method for anti conformer. The same authors have calculated the value of S(298.15 K)=395 J/mol*K by ab initio 4-21G* basis set method. The value of 436 J/mol*K was estimated for equilibrium mixture of conformers by difference method [ Dorofeeva O.V., 1997].; GT

UV/Visible spectrum

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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: Victor Talrose, Alexander N. Yermakov, Alexy A. Usov, Antonina A. Goncharova, Axlexander N. Leskin, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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Additional Data

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Source Lang (editor), 1969
Owner INEP CP RAS, NIST OSRD
Collection (C) 2007 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS
Source reference RAS UV No. 19058
Instrument Unicam SP 700
Melting point 275-280

Gas Chromatography

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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: 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
CapillaryVF-5MS1441.Todua, 201130. m/0.25 mm/0.25 μm, He; Tstart: 60. C; Tend: 270. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5 MS1451.Jerkovic, Tuberso, et al., 201030. m/0.25 mm/0.25 μm, Helium, 70. C @ 2. min, 3. K/min, 200. C @ 18. min

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryHP-5MS1453.Alissandrakis, Kibaris, et al., 200530. m/0.25 mm/0.25 μm, He; Program: 40C(3min) => 2C/min => 180C => 10C/min => 250C(5min)
CapillaryCP Sil 5 CB1396.Guyot, Scheirman, et al., 1999He; Column length: 50. m; Column diameter: 0.32 mm; Program: 30C => 55C/min => 85C => 1C/min => 145C => 3C/min => 250C

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.

Colomina, Jimenez, et al., 1978
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., Thermochemical properties of benzoic acid derivatives VII. Enthalpies of combustion and formation of the o-, m-, and p-methoxy-benzoic acids, J. Chem. Thermodyn., 1978, 10, 661-665. [all data]

Alcolea P.M., 1994
Alcolea P.M., Spectroscopy of p-methoxybenzoic acid: an AM1 and ab initio study, Appl. Spectrosc., 1994, 48, 27-36. [all data]

Dorofeeva O.V., 1997
Dorofeeva O.V., Unpublished results. Thermocenter of Russian Academy of Science, Moscow, 1997. [all data]

Lang (editor), 1969
Lang (editor), L., Absorption Spectra in the Ultraviolet and Visible Region, 1969, 12, 37. [all data]

Todua, 2011
Todua, N.G., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2011. [all data]

Jerkovic, Tuberso, et al., 2010
Jerkovic, I.; Tuberso, C.I.G.; Gugic, M.; Bubalo, D., Composition of Sulla (Hedysarum coronarium L.) honey solvent extractives determined by GC/MS: norisoprenoids and other volatile organic compounds, Molecules, 2010, 15, 9, 6375-6385, https://doi.org/10.3390/molecules15096375 . [all data]

Alissandrakis, Kibaris, et al., 2005
Alissandrakis, E.; Kibaris, A.C.; Tarantilis, P.A.; Harizanis, P.C.; Polissiou, M., Flavour compounds of Greek cotton honey, J. Sci. Food Agric., 2005, 85, 9, 1444-1452, https://doi.org/10.1002/jsfa.2124 . [all data]

Guyot, Scheirman, et al., 1999
Guyot, C.; Scheirman, V.; Collin, S., Floral origin markers of heather honeys: Calluna vulgaris and Erica arborea, Food Chem., 1999, 64, 1, 3-11, https://doi.org/10.1016/S0308-8146(98)00122-8 . [all data]


Notes

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