1,1'-Biphenyl, 2-methyl-
- Formula: C13H12
- Molecular weight: 168.2344
- IUPAC Standard InChIKey: ALLIZEAXNXSFGD-UHFFFAOYSA-N
- CAS Registry Number: 643-58-3
- 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: Biphenyl, 2-methyl-; o-Methylbiphenyl; 2-Methyl-1,1'-biphenyl; 2-Methylbiphenyl; 2-Phenyltoluene; o-Phenyltoluene; 1-Methyl-2-phenylbenzene; 2-Methyldiphenyl
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Condensed phase thermochemistry data
Go To: Top, Phase change data, IR Spectrum, UV/Visible spectrum, 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 |
---|---|---|---|---|---|
ΔfH°liquid | 20.7 ± 0.31 | kcal/mol | Ccb | Steele, Chirico, et al., 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1653.2 ± 0.29 | kcal/mol | Ccb | Steele, Chirico, et al., 1995 | Corresponding ΔfHºliquid = 20.7 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -1661.3 | kcal/mol | Ccb | Wise, Serijan, et al., 1951 | Corresponding ΔfHºliquid = 28.7 kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -1600. | kcal/mol | Ccb | Goodman and Wise, 1950 | Corresponding ΔfHºliquid = -33. kcal/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°liquid | -1658.4 ± 1.7 | kcal/mol | Ccb | Brull, 1935 | Reanalyzed by Cox and Pilcher, 1970, Original value = -1658.12 kcal/mol; Corresponding ΔfHºliquid = 25.85 kcal/mol (simple calculation by NIST; no Washburn corrections) |
Phase change data
Go To: Top, Condensed phase thermochemistry data, IR Spectrum, UV/Visible spectrum, 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
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 532. ± 7. | K | AVG | N/A | Average of 12 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 272.95 | K | N/A | Goodman and Wise, 1951 | Uncertainty assigned by TRC = 0.15 K; TRC |
Tfus | 418. | K | N/A | Cook, Dickson, et al., 1950 | TRC |
Tfus | 272.95 | K | N/A | Goodman and Wise, 1950, 2 | Uncertainty assigned by TRC = 0.1 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 15.8 ± 0.1 | kcal/mol | V | Steele, Chirico, et al., 1995 | ALS |
ΔvapH° | 15.8 | kcal/mol | N/A | Steele, Chirico, et al., 1995 | DRB |
IR Spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, UV/Visible spectrum, 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
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.
Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 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 |
State | gas |
Instrument | HP-GC/MS/IRD |
UV/Visible spectrum
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, 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: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina
Spectrum
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Additional Data
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Source | Friedel, Orchin, et al., 1948 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 660 |
Instrument | Beckman spectrophotometer |
Melting point | -0.2 |
Boiling point | 255.5 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, Chirico, et al., 1995
Steele, W.V.; Chirico, R.D.; Smith, N.K.,
The standard enthalpies of formation of 2-methylbiphenyl and diphenylmethane,
J. Chem. Thermodyn., 1995, 27, 671-678. [all data]
Wise, Serijan, et al., 1951
Wise, C.H.; Serijan, K.T.; Goodman, I.A.,
NACA Technical Report 1003,
NACA Technical Report 1003, 1951, 1-10. [all data]
Goodman and Wise, 1950
Goodman, I.A.; Wise, P.H.,
Dicyclic hydrocarbons. I. 2-Aklylbiphenyls,
J. Am. Chem. Soc., 1950, 72, 3076-3078. [all data]
Brull, 1935
Brull, L.,
Sui calori di combustione di alcuni derivati del bifenil,
Gazz. Chim. Ital., 1935, 65, 19-28. [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]
Goodman and Wise, 1951
Goodman, I.A.; Wise, P.H.,
Synthesis & purification of some alkylbiphenyls & alkylbicyclohexyls., Natl. Advis. Comm. Aeronaut., Tech. Note NACA TN 2260, Lewis Flight Propulsion Lab., Cleveland, Ohio, 1951. [all data]
Cook, Dickson, et al., 1950
Cook, J.W.; Dickson, G.T.; Jack, J.; Loudon, J.D.; McKeown, J.; MacMillan, J.; Williamson, W.F.,
Colchicine and Related Compounds,
J. Chem. Soc., 1950, 139. [all data]
Goodman and Wise, 1950, 2
Goodman, I.A.; Wise, P.H.,
Dicycloic Hydrocarbons I. 2-Alkylbiphenyls,
J. Am. Chem. Soc., 1950, 72, 3076. [all data]
Friedel, Orchin, et al., 1948
Friedel, R.A.; Orchin, M.; Reggel, L.,
Steric hindrance and short wave length bands in the ultraviolet spectra of some naphthalene and diphenyl derivatives,
J. Am. Chem. Soc., 1948, 70, 199-204. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, IR Spectrum, UV/Visible spectrum, References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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