Benzene, 1,1'-(1,2-ethanediyl)bis[4-methyl-
- Formula: C16H18
- Molecular weight: 210.3141
- IUPAC Standard InChIKey: XCCQFUHBIRHLQT-UHFFFAOYSA-N
- CAS Registry Number: 538-39-6
- 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: Bibenzyl, 4,4'-dimethyl-; α,β-Di-p-tolylethane; p,p'-Dimethylbibenzyl; sym-Di-p-tolylethane; 1,2-Di-p-tolylethane; 4,4'-Dimethylbibenzyl; 4,4'-Dimethyldibenzyl; 1,2-di-para-Tolylethane; 1,2-Di(p-methylphenyl)ethane; 1,2-Bis(p-methylphenyl)ethane
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Options:
Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), NIST Free Links, NIST Subscription Links, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔcH°solid | -8826.5 ± 2.0 | kJ/mol | Ccb | Coops, Hoijtink, et al., 1953 | Reanalyzed by Cox and Pilcher, 1970, Original value = -8828. ± 2. kJ/mol; Corresponding ΔfHºsolid = -42.13 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), NIST Free Links, NIST Subscription Links, 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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 355.0 | K | N/A | Coops, Hoijtink, et al., 1953 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tfus | 354. | K | N/A | Moore and Waters, 1953 | Uncertainty assigned by TRC = 3. K; TRC |
Tfus | 357. | K | N/A | Hasegawa and Hata, 1951 | Uncertainty assigned by TRC = 4. K; TRC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
451.2 | 0.024 | Weast and Grasselli, 1989 | BS |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), NIST Free Links, NIST Subscription Links, 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
Gas Phase Spectrum
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
View spectrum image in SVG format.
Download spectrum in JCAMP-DX format.
Owner | SRD/NIST Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | EPA-IR VAPOR PHASE LIBRARY |
State | gas |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, NIST Free Links, NIST Subscription Links, 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.
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. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1994 |
NIST MS number | 135432 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), NIST Free Links, NIST Subscription Links, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Coops, Hoijtink, et al., 1953
Coops, J.; Hoijtink, G.J.; Kramer, TH.J.E.,
Thermochemical investigations on arylethanes. II. Heats of combustion of some para and ortho tolylthanes and phenylbutanes.,
Rec. Trav. Chim. Pays/Bas, 1953, 72, 793. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Moore and Waters, 1953
Moore, R.F.; Waters, W.A.,
J. Chem. Soc., 1953, 1953, 3405. [all data]
Hasegawa and Hata, 1951
Hasegawa; Hata,
Nippon Kagaku Zasshi, 1951, 72, 54. [all data]
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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, Mass spectrum (electron ionization), NIST Free Links, NIST Subscription Links, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°solid Enthalpy of combustion of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.