Benzene, ethoxy-

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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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-24.28 ± 0.28kcal/molCcbFenwick, Harrop, et al., 1975Author was aware that data differs from previously reported values; ALS
Δfgas-29.8kcal/molCcbGray and Williams, 1959Private communication; ALS
Δfgas-25.91kcal/molN/ABadoche, 1941Value computed using ΔfHliquid° value of -159.4 kj/mol from Badoche, 1941 and ΔvapH° value of 51.0 kj/mol from Fenwick, Harrop, et al., 1975.; DRB

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

View reactions leading to C8H10O+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.6EIWilliams, Cooks, et al., 1968RDSH
8.13 ± 0.02PIWatanabe, Nakayama, et al., 1962RDSH
8.36PEFriege and Klessinger, 1979Vertical value; LLK
8.41PEDewar, Ernstbrunner, et al., 1974Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C6H6O+10.03 ± 0.19C2H4EIBouchoux, 1978LLK
C6H6O+11.3C2H4EIWilliams, Cooks, et al., 1968RDSH
C6H6O+10.73C2H4EIGillis, Long, et al., 1968RDSH

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

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedC78, Branched paraffin130.978.5Dallos, Sisak, et al., 2000He; Column length: 3.3 m
PackedOV-101100.976.3Righezza, Hassani, et al., 1996N2, Chromosorb G HP; Column length: 5. m
PackedOV-101110.981.3Righezza, Hassani, et al., 1996N2, Chromosorb G HP; Column length: 5. m
PackedOV-10180.971.6Righezza, Hassani, et al., 1996N2, Chromosorb G HP; Column length: 5. m
PackedOV-10190.973.3Righezza, Hassani, et al., 1996N2, Chromosorb G HP; Column length: 5. m
PackedOV-101120.980.5Hassani and Meklati, 1992N2, Chromosorb G HP; Column length: 5. m
PackedC78, Branched paraffin130.978.1Reddy, Dutoit, et al., 1992Chromosorb G HP; Column length: 3.3 m
PackedApolane130.980.Dutoit, 1991Column length: 3.7 m
PackedSE-30180.995.Oszczapowicz, Osek, et al., 1985N2, Chromosorb A AW; Column length: 3. m
PackedSE-30180.995.Oszczapowicz, Osek, et al., 1984N2, Chromosorb W AW; Column length: 3. m
PackedSE-30150.984.Tibor and Anna, 1971N2, Chromosorb W-AW; Column length: 2. m
PackedSE-30170.995.Tibor and Anna, 1971N2, Chromosorb W-AW; Column length: 2. m
PackedSqualane100.953.7Evans and Smith, 1967H2/N2=3/1, Celite; Column length: 2. m
PackedSqualane100.953.Evans and Smith, 1967H2/N2=3/1, Celite; Column length: 2. m
PackedApiezon L130.996.Wehrli and Kováts, 1959Celite; Column length: 2.25 m

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedPEG-20M150.1437.Tibor and Anna, 1971N2, Chromosorb W-AW; Column length: 2. m
PackedPEG-20M170.1442.Tibor and Anna, 1971N2, Chromosorb W-AW; Column length: 2. m

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

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Column type Active phase I Reference Comment
CapillaryDB-5988.8Song, Lai, et al., 200330. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-5991.1Song, Lai, et al., 200330. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-5992.4Song, Lai, et al., 200330. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C
CapillaryOV-1970.8Gautzsch and Zinn, 19968. K/min; Tstart: 35. C; Tend: 300. C
CapillaryDB-5988.8Lai and Song, 199530. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-5991.1Lai and Song, 199530. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C
CapillaryDB-5992.4Lai and Song, 199530. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C

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

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Column type Active phase I Reference Comment
CapillaryOV-101980.Ebrahimi and Hadjmohammadi, 2006Program: not specified

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.

Fenwick, Harrop, et al., 1975
Fenwick, J.O.; Harrop, D.; Head, A.J., Thermodynamic properties of organic oxygen compounds. 41. Enthalpies of formation of eight ethers, J. Chem. Thermodyn., 1975, 7, 943-954. [all data]

Gray and Williams, 1959
Gray, P.; Williams, A., Chemistry of free radicals containing oxygen. Part 3.- Thermochemistry and reactivity of the higher alkoxyl radicals RO·, Trans. Faraday Soc., 1959, 55, 760-777. [all data]

Badoche, 1941
Badoche, M., No 19. - Chaleurs de combustion du phenol, du-m-cresol et del leurs ethers; par M. Marius BADOCHE., Bull. Soc. Chim. Fr., 1941, 8, 212-220. [all data]

Williams, Cooks, et al., 1968
Williams, D.H.; Cooks, R.G.; Howe, I., Studies in mass spectrometry. XXXI. A comparison of reaction rates in common ions generated via fragmentation and direct ionization, J. Am. Chem. Soc., 1968, 90, 6759. [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]

Friege and Klessinger, 1979
Friege, H.; Klessinger, M., Elektronenstruktur von Alkyl-aryl- und Alkyl-vinyl-ethern, Chem. Ber., 1979, 112, 1614. [all data]

Dewar, Ernstbrunner, et al., 1974
Dewar, P.S.; Ernstbrunner, E.; Gilmore, J.R.; Godfrey, M.; Mellor, J.M., Conformational analysis of alkyl aryl ethers and alkyl aryl sulphides by photoelectron spectroscopy, Tetrahedron, 1974, 30, 2455. [all data]

Bouchoux, 1978
Bouchoux, G., Ionisation et fragmentation en spectrometrie de masse, Org. Mass Spectrom., 1978, 13, 184. [all data]

Gillis, Long, et al., 1968
Gillis, R.G.; Long, G.J.; Moritz, A.G.; Occolowitz, J.L., Energetics of the electron-impact fragmentation of alkoxybenzenes and alkylthiobenzenes, Org. Mass Spectrom., 1968, 1, 527. [all data]

Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E., Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups, J. Chromatogr. A, 2000, 904, 2, 211-242, https://doi.org/10.1016/S0021-9673(00)00908-0 . [all data]

Righezza, Hassani, et al., 1996
Righezza, M.; Hassani, A.; Meklati, B.Y.; Chrétien, J.R., Quantitative structure-retention relationships (QSRR) of congeneric aromatics series studied on phenyl OV phases in gas chromatography, J. Chromatogr. A, 1996, 723, 1, 77-91, https://doi.org/10.1016/0021-9673(95)00816-0 . [all data]

Hassani and Meklati, 1992
Hassani, A.; Meklati, B.Y., Gas chromatographic behaviour of monosubstituted benzenes, benzaldehydes and acetophenones on OV polymethylphenyl-silicone stationary phases, Chromatographia, 1992, 33, 5/6, 267-271, https://doi.org/10.1007/BF02276193 . [all data]

Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz., Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups, J. Chromatogr., 1992, 609, 1-2, 229-259, https://doi.org/10.1016/0021-9673(92)80167-S . [all data]

Dutoit, 1991
Dutoit, J., Gas chromatographic retention behaviour of some solutes on structurally similar polar and non-polar stationary phases, J. Chromatogr., 1991, 555, 1-2, 191-204, https://doi.org/10.1016/S0021-9673(01)87179-X . [all data]

Oszczapowicz, Osek, et al., 1985
Oszczapowicz, J.; Osek, J.; Ciszkowski, K.; Krawczyk, W.; Ostrowski, M., Retention Indices of Dimethylbenzamidines and Benzylideneamines on a Non-Polar Column, J. Chromatogr., 1985, 330, 79-85, https://doi.org/10.1016/S0021-9673(01)81964-6 . [all data]

Oszczapowicz, Osek, et al., 1984
Oszczapowicz, J.; Osek, J.; Dolecka, E., Retention indices of dimethylformamidines, dimethylacetamidines and tetramethylguanidines on a non-polar column, J. Chromatogr., 1984, 315, 95-100, https://doi.org/10.1016/S0021-9673(01)90727-7 . [all data]

Tibor and Anna, 1971
Tibor, T.; Anna, B., Gázkromatográfiás retenció és a kémiai szerkezet, I., Magy. Kem. Foly., 1971, 77, 576-587. [all data]

Evans and Smith, 1967
Evans, M.B.; Smith, J.F., Gas chromatography in qualitative analysis. IV. An investigation of the changes in relative rentention data accompanying the oxidation of apolar stationary phases, J. Chromatogr., 1967, 28, 277-284, https://doi.org/10.1016/S0021-9673(01)85968-9 . [all data]

Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E., Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen, Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745 . [all data]

Song, Lai, et al., 2003
Song, C.; Lai, W.-C.; Madhusudan Reddy, K.; Wei, B., Chapter 7. Temperature-programmed retention indices for GC and GC-MS of hydrocarbon fuels and simulated distillation GC of heavy oils in Analytical advances for hydrocarbon research, Hsu,C.S., ed(s)., Kluwer Academic/Plenum Publishers, New York, 2003, 147-193. [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Lai and Song, 1995
Lai, W.-C.; Song, C., Temperature-programmed retention indices for g.c. and g.c.-m.s. analysis of coal- and petroleum-derived liquid fuels, Fuel, 1995, 74, 10, 1436-1451, https://doi.org/10.1016/0016-2361(95)00108-H . [all data]

Ebrahimi and Hadjmohammadi, 2006
Ebrahimi, P.; Hadjmohammadi, M.R., Simultaneous modeling of the Kovats retention indices on phenyl OV stationary phases with different polarity using MLR and ANN, QSAR Comb. Sci., 2006, 25, 10, 836-845, https://doi.org/10.1002/qsar.200530145 . [all data]


Notes

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