Diphenylmethane
- Formula: C13H12
- Molecular weight: 168.2344
- IUPAC Standard InChIKey: CZZYITDELCSZES-UHFFFAOYSA-N
- CAS Registry Number: 101-81-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
View 3d structure (requires JavaScript / HTML 5) - Other names: Benzene, 1,1'-methylenebis-; Methane, diphenyl-; Benzene, (phenylmethyl)-; Benzylbenzene; Ditan; Ditane; Benzene, benzyl-; Toluene, α-phenyl-; 1,1'-Dimethylenebis(benzene); NSC 4708
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Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
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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:
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
ΔvapH° (kJ/mol) | Method | Reference | Comment |
---|---|---|---|
67.9 ± 0.4 | Review | Roux, Temprado, et al., 2008 | There are sufficient high-quality literature values to make a good evaluation with a high degree of confidence. In general, the evaluated uncertainty limits are on the order of (0.5 to 2.5) kJ/mol.; DRB |
64.7 ± 0.2 | N/A | Haftka, Parsons, et al., 2006 | Based on data from 343. to 393. K.; AC |
67.6 ± 0.2 | N/A | Chirico and Steele, 2005 | See also Hanshaw, Nutt, et al., 2008.; AC |
65.7 | GC | van Roon, Parsons, et al., 2002 | AC |
67.9 ± 0.5 | GS | Verevkin, 1999 | Based on data from 303. to 343. K.; AC |
67.7 ± 0.6 | V | Steele, Chirico, et al., 1995 | ALS |
67.7 | N/A | Steele, Chirico, et al., 1995 | DRB |
67.5 ± 0.3 | V | Morawetz, 1972 | ALS |
66.6 ± 0.1 | C | Morawetz, 1972, 2 | AC |
50.12 | C | Glaser and Ruland, 1957 | ALS |
References
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Roux, Temprado, et al., 2008
Roux, M.V.; Temprado, M.; Chickos, J.S.; Nagano, Y.,
Critically Evaluated Thermochemical Properties of Polycyclic Aromatic Hydrocarbons,
J. Phys. Chem. Ref. Data, 2008, 37, 4, 1855-1996. [all data]
Haftka, Parsons, et al., 2006
Haftka, Joris J.H.; Parsons, John R.; Govers, Harrie A.J.,
Supercooled liquid vapour pressures and related thermodynamic properties of polycyclic aromatic hydrocarbons determined by gas chromatography,
Journal of Chromatography A, 2006, 1135, 1, 91-100, https://doi.org/10.1016/j.chroma.2006.09.050
. [all data]
Chirico and Steele, 2005
Chirico, Robert D.; Steele, William V.,
Thermodynamic Properties of Diphenylmethane «8224»,
J. Chem. Eng. Data, 2005, 50, 3, 1052-1059, https://doi.org/10.1021/je050034s
. [all data]
Hanshaw, Nutt, et al., 2008
Hanshaw, William; Nutt, Marjorie; Chickos, James S.,
Hypothetical Thermodynamic Properties. Subcooled Vaporization Enthalpies and Vapor Pressures of Polyaromatic Hydrocarbons,
J. Chem. Eng. Data, 2008, 53, 8, 1903-1913, https://doi.org/10.1021/je800300x
. [all data]
van Roon, Parsons, et al., 2002
van Roon, André; Parsons, John R.; Govers, Harrie A.J.,
Gas chromatographic determination of vapour pressure and related thermodynamic properties of monoterpenes and biogenically related compounds,
Journal of Chromatography A, 2002, 955, 1, 105-115, https://doi.org/10.1016/S0021-9673(02)00200-5
. [all data]
Verevkin, 1999
Verevkin, Sergey P.,
Thermochemical Properties of Diphenylalkanes,
J. Chem. Eng. Data, 1999, 44, 2, 175-179, https://doi.org/10.1021/je980200e
. [all data]
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]
Morawetz, 1972
Morawetz, E.,
Enthalpies of vaporization for a number of aromatic compounds,
J. Chem. Thermodyn., 1972, 4, 455. [all data]
Morawetz, 1972, 2
Morawetz, Ernst,
Enthalpies of vaporization for a number of aromatic compounds,
The Journal of Chemical Thermodynamics, 1972, 4, 3, 455-460, https://doi.org/10.1016/0021-9614(72)90029-8
. [all data]
Glaser and Ruland, 1957
Glaser, F.; Ruland, H.,
Untersuchungsen über dampfdruckkurven und kritische daten einiger technisch wichtiger organischer substanzen,
Chem. Ing. Techn., 1957, 29, 772. [all data]
Notes
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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