1H-Indene, 2,3-dihydro-4,6-dimethyl-

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-1.4 ± 0.41kcal/molN/AGood, 1971Value computed using ΔfHliquid° value of -63.7±1.6 kj/mol from Good, 1971 and ΔvapH° value of 57.91±0.41 kj/mol from missing citation.

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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
Δfliquid-15.23 ± 0.38kcal/molCcbGood, 1971ALS
Quantity Value Units Method Reference Comment
Δcliquid-1497.54 ± 0.36kcal/molCcbGood, 1971Corresponding Δfliquid = -15.23 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS
Quantity Value Units Method Reference Comment
liquid70.60cal/mol*KN/ALee-Bechtold, Finke, et al., 1981DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
57.58298.15Lee-Bechtold, Finke, et al., 1981T = 10 to 400 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Mass spectrum (electron ionization), 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:
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
Ttriple256.45KN/ALee-Bechtold, Finke, et al., 1981, 2Uncertainty assigned by TRC = 0.01 K; TRC
Quantity Value Units Method Reference Comment
Δvap13.84 ± 0.098kcal/molVOsborn and Scott, 1978ALS
Δvap13.8 ± 0.1kcal/molIP,EBOsborn and Scott, 1978, 2Based on data from 313. to 467. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
13.6328.A,IP,EBStephenson and Malanowski, 1987Based on data from 313. to 467. K. See also Osborn and Scott, 1978, 2.; AC
13.5328.A,IP,EBStephenson and Malanowski, 1987Based on data from 313. to 363. K. See also Osborn and Scott, 1978, 2.; AC
12.0430.A,IP,EBStephenson and Malanowski, 1987Based on data from 415. to 467. K. See also Osborn and Scott, 1978, 2.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
3.0786256.45Lee-Bechtold, Finke, et al., 1981DH
3.078256.5Domalski and Hearing, 1996AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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

Spectrum

Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.

Mass spectrum
For Zoom
1.) Enter the desired X axis range (e.g., 100, 200)
2.) Check here for automatic Y scaling
3.) Press here to zoom

Additional Data

View image of digitized spectrum (can be printed in landscape orientation).

Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 4238

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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]

Lee-Bechtold, Finke, et al., 1981, 2
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]

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]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References