trans-β-Methylstyrene
- Formula: C9H10
- Molecular weight: 118.1757
- IUPAC Standard InChIKey: QROGIFZRVHSFLM-QHHAFSJGSA-N
- CAS Registry Number: 873-66-5
- 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. - Stereoisomers:
- Other names: (E)- β-Methylstyrene; trans-Propenylbenzene; Benzene, 1-propenyl-, (E)-; (E)-1-Propenyl benzene
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Reaction 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: H2 + C9H10 = C9H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -105.9 ± 1.3 | kJ/mol | Chyd | Abboud, Jimenez, et al., 1995 | liquid phase; solvent: Hyrocarbon; Like gas phase |
By formula: C9H10 = C9H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -11.0 ± 0.3 | kJ/mol | Eqk | Taskinen and Lindholm, 1994 | liquid phase; solvent: DMSO; Heat of isomerization |
By formula: C9H10 = C9H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -23.3 ± 0.5 | kJ/mol | Eqk | Taskinen and Lindholm, 1994 | liquid phase; solvent: DMSO |
By formula: C9H10 = C9H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -20.1 | kJ/mol | Eqk | Taskinen and Lindholm, 1994 | gas phase; Heat of isomerization |
Gas phase ion energetics data
Go To: Top, Reaction 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 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
View reactions leading to C9H10+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 834.2 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 805.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.1 | PE | Kobayashi, Arai, et al., 1981 | LLK |
8.20 ± 0.02 | PE | Maier and Turner, 1973 | LLK |
7.84 ± 0.04 | EI | Benito, Seidl, et al., 1973 | LLK |
8.34 | PE | Kobayashi, Arai, et al., 1981 | Vertical value; LLK |
8.32 | PE | Salisbury, 1974 | Vertical value; LLK |
Gas Chromatography
Go To: Top, Reaction 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 |
---|---|---|---|---|---|
Capillary | OV-101 | 100. | 1019. | Engewald, Topalova, et al., 1987 | Column length: 50. m; Column diameter: 0.30 mm |
Capillary | SE-30 | 70. | 1009.9 | Tóth, 1983 | N2; Column length: 15. m; Column diameter: 0.25 mm |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | PEG-20M | 70. | 1390.3 | Tóth, 1983 | N2; Column length: 30. m; Column diameter: 0.3 mm |
Packed | Carbowax 20M | 150. | 1430.1 | Ellis and Still, 1979 | Chromosorb W, AW-DMCS |
Packed | Carbowax 20M | 115. | 1423.6 | Ellis and Still, 1979 | Chromosorb G |
Packed | Carbowax 20M | 115. | 1423.6 | Ellis and Still, 1979 | Chromosorb G |
Capillary | Carbowax 20M | 90. | 1364.0 | Döring, Estel, et al., 1974 | Column length: 100. m; Column diameter: 0.2 mm |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-1 | 1008. | Fernandez, Lizzani-Cuvelier, et al., 2005 | 50. m/0.2 mm/0.25 μm, 60. C @ 60. min, 2. K/min; Tend: 250. C |
Normal alkane RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 90. | 1364. | Sutter, Peterson, et al., 1997 |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax 20M | 1360. | Fernandez, Lizzani-Cuvelier, et al., 2005 | 50. m/0.2 mm/0.25 μm, 60. C @ 60. min, 2. K/min; Tend: 250. C |
References
Go To: Top, Reaction 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.
Abboud, Jimenez, et al., 1995
Abboud, J.-L.M.; Jimenez, P.; Roux, M.V.; Turrion, C.; Lopez-Mardomingo, C.; Podosenin, A.; Rogers, D.W.; Liebman, J.F.,
Interrelations of the energetics of amides and alkenes: enthalpies of formation of N,N-dimethyl dertivatives of pivalamide, 1-adamantylcarboxamide and benzamide, and of styrene and its a-, trans-β- and β,β-methylated derivates,
J. Phys. Org. Chem., 1995, 8, 15-25. [all data]
Taskinen and Lindholm, 1994
Taskinen, E.; Lindholm, N.,
Relative thermodynamic stabilities of the isomeric propenylbenzenes,
J. Phys. Org. Chem., 1994, 7, 256-258. [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]
Kobayashi, Arai, et al., 1981
Kobayashi, T.; Arai, T.; Sakuragi, H.; Tokumaru, K.; Utsunomiya, C.,
A new nethod for conformational analysis by photoelectron spectroscopy with application to alkyl-substituted styrenes,
Bull. Chem. Soc. Jpn., 1981, 54, 1658. [all data]
Maier and Turner, 1973
Maier, J.P.; Turner, D.W.,
Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part 2. Phenylethylenes,
J. Chem. Soc. Faraday Trans. 2, 1973, 69, 196. [all data]
Benito, Seidl, et al., 1973
Benito, I.; Seidl, H.; Bock, H.,
Efectos electronicos y estericos de sustituyentes alquilicos y silicicos sobre el sistema electronico π del estireno,
Rev. Fac. Cienc. Univ. Oviedo, 1973, 14, 95. [all data]
Salisbury, 1974
Salisbury, K.,
Quenching of the fluorescence of styrenes by ground state oxygen,
J. Photochem., 1974, 2, 401. [all data]
Engewald, Topalova, et al., 1987
Engewald, W.; Topalova, I.; Petsev, N.; Dimitrov, Chr.,
Structure-Retention Correlations of Hydrocarbons in GLC and GSC. Alkenylbenzenes,
Chromatographia, 1987, 23, 8, 561-565, https://doi.org/10.1007/BF02324864
. [all data]
Tóth, 1983
Tóth, T.,
Use of capillary gas chromatography in collecting retention and chemical information for the analysis of complex petrochemical mixtures,
J. Chromatogr., 1983, 279, 157-165, https://doi.org/10.1016/S0021-9673(01)93614-3
. [all data]
Ellis and Still, 1979
Ellis, T.S.; Still, R.H.,
Thermal degradation of polymers. XXI. Vacuum pyrolysis of poly(m-N,N-dimethylaminostyrene); the products volatile at pyrolysis temperature, liquid at room temperature,
J. Appl. Polym. Sci., 1979, 23, 10, 2837-2854, https://doi.org/10.1002/app.1979.070231002
. [all data]
Döring, Estel, et al., 1974
Döring, C.E.; Estel, D.; Fischer, R.,
Kapillar-gaschromatographische Charakterisierung von C10-bis C12-Aromaten,
J. Prakt. Chem., 1974, 316, 1, 1-12, https://doi.org/10.1002/prac.19743160102
. [all data]
Fernandez, Lizzani-Cuvelier, et al., 2005
Fernandez, X.; Lizzani-Cuvelier, L.; Loiseau, A.-M.; Perichet, C.; Delbecque, C.; Arnaudo, J.-F.,
Chemical composition of the essential oils from Turkish and Honduras Styrax,
Flavour Fragr. J., 2005, 20, 1, 70-73, https://doi.org/10.1002/ffj.1370
. [all data]
Sutter, Peterson, et al., 1997
Sutter, J.M.; Peterson, T.A.; Jurs, P.C.,
Prediction of gas chromatographic retention indices of alkylbenzenes,
Anal. Chim. Acta., 1997, 342, 2-3, 113-122, https://doi.org/10.1016/S0003-2670(96)00578-8
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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