1H-Indene, 2,3-dihydro-4,6-dimethyl-
- Formula: C11H14
- Molecular weight: 146.2289
- IUPAC Standard InChI: InChI=1S/C11H14/c1-8-6-9(2)11-5-3-4-10(11)7-8/h6-7H,3-5H2,1-2H3
- IUPAC Standard InChIKey: BSYQUYXSAFIGLB-UHFFFAOYSA-N
- CAS Registry Number: 1685-82-1
- 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: Indan, 4,6-dimethyl-; 4,6-Dimethylindan; 4,6-Dimethyl-(2,3-dihydroindene); 2,3-Dihydro-4,6-dimethyl-1H-indene
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Condensed phase thermochemistry data
Go To: Top, 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°liquid | -15.23 ± 0.38 | kcal/mol | Ccb | Good, 1971 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -1497.54 ± 0.36 | kcal/mol | Ccb | Good, 1971 | Corresponding ΔfHºliquid = -15.23 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 70.60 | cal/mol*K | N/A | Lee-Bechtold, Finke, et al., 1981 | DH |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 57.58 | 298.15 | Lee-Bechtold, Finke, et al., 1981 | T = 10 to 400 K.; DH |
Gas Chromatography
Go To: Top, Condensed phase thermochemistry 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Petrocol DH | 1235. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Lee's RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-5 | 212.38 | Wang, Fingas, et al., 1994 | 30. m/0.32 mm/0.25 μm, He, 50. C @ 2. min, 6. K/min; Tend: 300. C |
References
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Good, 1971
Good, W.D.,
The enthalpies of combustion and formation of indan and seven alkylindans,
J. Chem. Thermodyn., 1971, 3, 711-717. [all data]
Lee-Bechtold, Finke, et al., 1981
Lee-Bechtold, S.H.; Finke, H.L.; Messerly, J.F.; Scott, D.W.,
Thermodynamic properties of methyl-substituted indans,
J. Chem. Thermodyn., 1981, 13, 213-228. [all data]
White, Hackett, et al., 1992
White, C.M.; Hackett, J.; Anderson, R.R.; Kail, S.; Spock, P.S.,
Linear temperature programmed retention indices of gasoline range hydrocarbons and chlorinated hydrocarbons on cross-linked polydimethylsiloxane,
J. Hi. Res. Chromatogr., 1992, 15, 2, 105-120, https://doi.org/10.1002/jhrc.1240150211
. [all data]
Wang, Fingas, et al., 1994
Wang, Z.; Fingas, M.; Li, K.,
Fractionation of a light crude oil and identification and quantitation of aliphatic, aromatic, and biomarker comopunds by GC-FID and GC-MS, Part II,
J. Chromatogr. Sci., 1994, 32, 9, 367-382, https://doi.org/10.1093/chromsci/32.9.367
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas Chromatography, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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