Benzene, ethoxy-
- Formula: C8H10O
- Molecular weight: 122.1644
- IUPAC Standard InChIKey: DLRJIFUOBPOJNS-UHFFFAOYSA-N
- CAS Registry Number: 103-73-1
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Phenetole; Ethoxybenzene; Ethyl phenyl ether; Phenyl ethyl ether; Ether, ethyl phenyl-; Phenoxyethane; Benzyl methyl ether
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Gas phase thermochemistry data
Go To: Top, Gas phase ion energetics data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -24.28 ± 0.28 | kcal/mol | Ccb | Fenwick, Harrop, et al., 1975 | Author was aware that data differs from previously reported values; ALS |
ΔfH°gas | -29.8 | kcal/mol | Ccb | Gray and Williams, 1959 | Private communication; ALS |
ΔfH°gas | -25.91 | kcal/mol | N/A | Badoche, 1941 | Value 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
Go To: Top, Gas phase thermochemistry data, 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:
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 |
---|---|---|---|
8.6 | EI | Williams, Cooks, et al., 1968 | RDSH |
8.13 ± 0.02 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
8.36 | PE | Friege and Klessinger, 1979 | Vertical value; LLK |
8.41 | PE | Dewar, Ernstbrunner, et al., 1974 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C6H6O+ | 10.03 ± 0.19 | C2H4 | EI | Bouchoux, 1978 | LLK |
C6H6O+ | 11.3 | C2H4 | EI | Williams, Cooks, et al., 1968 | RDSH |
C6H6O+ | 10.73 | C2H4 | EI | Gillis, Long, et al., 1968 | RDSH |
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | C78, Branched paraffin | 130. | 978.5 | Dallos, Sisak, et al., 2000 | He; Column length: 3.3 m |
Packed | OV-101 | 100. | 976.3 | Righezza, Hassani, et al., 1996 | N2, Chromosorb G HP; Column length: 5. m |
Packed | OV-101 | 110. | 981.3 | Righezza, Hassani, et al., 1996 | N2, Chromosorb G HP; Column length: 5. m |
Packed | OV-101 | 80. | 971.6 | Righezza, Hassani, et al., 1996 | N2, Chromosorb G HP; Column length: 5. m |
Packed | OV-101 | 90. | 973.3 | Righezza, Hassani, et al., 1996 | N2, Chromosorb G HP; Column length: 5. m |
Packed | OV-101 | 120. | 980.5 | Hassani and Meklati, 1992 | N2, Chromosorb G HP; Column length: 5. m |
Packed | C78, Branched paraffin | 130. | 978.1 | Reddy, Dutoit, et al., 1992 | Chromosorb G HP; Column length: 3.3 m |
Packed | Apolane | 130. | 980. | Dutoit, 1991 | Column length: 3.7 m |
Packed | SE-30 | 180. | 995. | Oszczapowicz, Osek, et al., 1985 | N2, Chromosorb A AW; Column length: 3. m |
Packed | SE-30 | 180. | 995. | Oszczapowicz, Osek, et al., 1984 | N2, Chromosorb W AW; Column length: 3. m |
Packed | SE-30 | 150. | 984. | Tibor and Anna, 1971 | N2, Chromosorb W-AW; Column length: 2. m |
Packed | SE-30 | 170. | 995. | Tibor and Anna, 1971 | N2, Chromosorb W-AW; Column length: 2. m |
Packed | Squalane | 100. | 953.7 | Evans and Smith, 1967 | H2/N2=3/1, Celite; Column length: 2. m |
Packed | Squalane | 100. | 953. | Evans and Smith, 1967 | H2/N2=3/1, Celite; Column length: 2. m |
Packed | Apiezon L | 130. | 996. | Wehrli and Kováts, 1959 | Celite; Column length: 2.25 m |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Packed | PEG-20M | 150. | 1437. | Tibor and Anna, 1971 | N2, Chromosorb W-AW; Column length: 2. m |
Packed | PEG-20M | 170. | 1442. | Tibor and Anna, 1971 | N2, Chromosorb W-AW; Column length: 2. m |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5 | 988.8 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 991.1 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 992.4 | Song, Lai, et al., 2003 | 30. m/0.25 mm/0.25 μm, He, 6. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | OV-1 | 970.8 | Gautzsch and Zinn, 1996 | 8. K/min; Tstart: 35. C; Tend: 300. C |
Capillary | DB-5 | 988.8 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 2. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 991.1 | Lai and Song, 1995 | 30. m/0.25 mm/0.25 μm, He, 4. K/min; Tstart: 40. C; Tend: 310. C |
Capillary | DB-5 | 992.4 | Lai and Song, 1995 | 30. 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 980. | Ebrahimi and Hadjmohammadi, 2006 | Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes
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
- Symbols used in this document:
AE Appearance energy ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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