1H-Indene, 2,3-dihydro-1,1-dimethyl-
- Formula: C11H14
- Molecular weight: 146.2289
- IUPAC Standard InChIKey: UTTMVTDJCFSOFF-UHFFFAOYSA-N
- CAS Registry Number: 4912-92-9
- 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, 1,1-dimethyl-; 1,1-Dimethylindan; 1,1-Dimethylindane; 1,1-Dimethyl-(2,3-dihydroindene); 1,1-Dimethyl-2,3-dihydro-1H-indene
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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 464.2 | K | N/A | Weast and Grasselli, 1989 | BS |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 227.35 | K | N/A | Lee-Bechtold, Finke, et al., 1981 | Uncertainty assigned by TRC = 0.01 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 12.41 ± 0.069 | kcal/mol | V | Osborn and Scott, 1978 | ALS |
ΔvapH° | 12.4 ± 0.07 | kcal/mol | IP,EB | Osborn and Scott, 1978, 2 | Based on data from 313. to 467. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
12.0 | 328. | A,IP,EB | Stephenson and Malanowski, 1987 | Based on data from 313. to 348. K. See also Osborn and Scott, 1978, 2.; AC |
12.1 | 328. | A,IP,EB | Stephenson and Malanowski, 1987 | Based on data from 313. to 467. K.; AC |
11.0 | 402. | A,IP,EB | Stephenson and Malanowski, 1987 | Based on data from 387. to 467. K. See also Osborn and Scott, 1978, 2.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
2.8664 | 227.35 | Lee-Bechtold, Finke, et al., 1981, 2 | DH |
2.866 | 227.4 | Domalski and Hearing, 1996 | AC |
Gas phase ion energetics data
Go To: Top, Phase change 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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C11H14+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.47 | CTS | Pitt, 1970 | RDSH |
Gas Chromatography
Go To: Top, Phase change 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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Petrocol DH | 1090. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | SE-30 | 100. | 1095. | Vodenkova, Leol'ko, et al., 2005 | He; Column length: 50. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 1081. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
References
Go To: Top, Phase change 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.
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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-substitued indans,
J. Chem. Thernodyn., 1981, 13, 213-28. [all data]
Osborn and Scott, 1978
Osborn, A.G.; Scott, D.W.,
J. Chem. Thermodyn., 1978, 10, 619. [all data]
Osborn and Scott, 1978, 2
Osborn, A.G.; Scott, D.W.,
Vapor-pressure and enthalpy of vaporization of indan and five methyl-substituted indans,
The Journal of Chemical Thermodynamics, 1978, 10, 7, 619-628, https://doi.org/10.1016/0021-9614(78)90102-7
. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Lee-Bechtold, Finke, et al., 1981, 2
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]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Pitt, 1970
Pitt, C.G.,
Hyperconjugation: An alternative to the concept of the pπ-dπ bond in Group IV chemistry,
J. Organomet. Chem., 1970, 23, 35. [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]
Vodenkova, Leol'ko, et al., 2005
Vodenkova, N.N.; Leol'ko, A.S.; Nesterova, T.N.; Levanova, S.V.,
Kovats indices and normal boiling points of alkylbenzenes,
Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol., 2005, 48, 10, 33-39. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
Tboil Boiling point Ttriple Triple point temperature ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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