o-Terphenyl

• Formula: C₁₈H₁₄
• Molecular weight: 230.3038
• IUPAC Standard InChI: InChI=1S/C18H14/c1-3-9-15(10-4-1)17-13-7-8-14-18(17)16-11-5-2-6-12-16/h1-14H Copy

  
• IUPAC Standard InChIKey: OIAQMFOKAXHPNH-UHFFFAOYSA-N Copy
• CAS Registry Number: 84-15-1
• 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: 1,1':2',1''-Terphenyl; 1,1'-Biphenyl, 2-phenyl-; 1,2-Diphenylbenzene; 2-Phenylbiphenyl
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Condensed phase thermochemistry data
  • Phase change data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • IR Spectrum
  • UV/Visible spectrum
  • Gas Chromatography
• Options:
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• NIST / TRC Web Thermo Tables, professional edition (thermophysical and thermochemical data)

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Condensed phase thermochemistry data

Go To: Top, Phase change data, Gas phase ion energetics 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:
DH - Eugene S. Domalski and Elizabeth D. Hearing
DRB - Donald R. Burgess, Jr.

Constant pressure heat capacity of liquid

Constant pressure heat capacity of solid

Phase change data

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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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
CAL - James S. Chickos, William E. Acree, Jr., Joel F. Liebman, Students of Chem 202 (Introduction to the Literature of Chemistry), University of Missouri -- St. Louis

Enthalpy of vaporization

Enthalpy of fusion

Entropy of fusion

Gas phase ion energetics data

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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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

Appearance energy determinations

Mass spectrum (electron ionization)

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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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

References

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

Chang and Bestul, 1972
Chang, S.S.; Bestul, A.B., Heat capacity and thermodynamic properties of o-terphenyl crystal, glass and liquid, J. Chem. D Phys., 1972, 56, 503-516. [all data]

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]

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [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]

Blum-Bergmann, 1938
Blum-Bergmann, O., J. Am. Chem. Soc., 1938, 60, 1999. [all data]

Chang and Bestul, 1972, 2
Chang, S.S.; Bestul, A.B., Heat Capacity and Thermodynamic Properties of o-Terphenyl Crystal, Glass, and Liquid, J. Chem. Phys., 1972, 56, 1, 503, https://doi.org/10.1063/1.1676895 . [all data]

Tsonopoulos and Ambrose, 1995
Tsonopoulos, C.; Ambrose, D., Vapor-Liquid Critical Properties of Elements and Compounds. 3. Aromatic Hydrocarbons, J. Chem. Eng. Data, 1995, 40, 547-558. [all data]

Reiter, 1963
Reiter, R.W., , NASA Doc. N63-19495 1963 1963, 1963. [all data]

Mandel and Ewbank, 1960
Mandel, H.; Ewbank, N., , Atomics International NAA-S-R-5129 1960, 1960. [all data]

Verevkin, 1997
Verevkin, S.P., Thermochemistry of substituted benzenes. Experimental standard molar enthalpies of formation of o-, m-, and p-terphenyls and 1,3,5-triphenylbenzene, J. Chem. Thermodyn., 1997, 29, 1495-1501. [all data]

Ribeiro da Silva, Santos, et al., 2008
Ribeiro da Silva, Manuel A.V.; Santos, Luís M.N.B.F.; Lima, Luís M. Spencer S., Standard molar enthalpies of formation and of sublimation of the terphenyl isomers, The Journal of Chemical Thermodynamics, 2008, 40, 3, 375-385, https://doi.org/10.1016/j.jct.2007.08.008 . [all data]

Kimura and Takagi, 1979
Kimura, Takayoshi; Takagi, Sadao, Enthalpies of solution of o-, m-, and p-terphenyls in benzene at 298.15 K, The Journal of Chemical Thermodynamics, 1979, 11, 1, 47-55, https://doi.org/10.1016/0021-9614(79)90082-X . [all data]

Back, Grzyll, et al., 1996
Back, Dwight D.; Grzyll, Lawrence R.; Corrigan, Mary, DSC enthalpy of vaporization measurements of high temperature two-phase working fluids, Thermochimica Acta, 1996, 272, 53-63, https://doi.org/10.1016/0040-6031(95)02615-0 . [all data]

Sasse, N'guimbi, et al., 1989
Sasse, K.; N'guimbi, J.; Jose, J.; Merlin, J.C., Tension de vapeur d'hydrocarbures polyaromatiques dans le domaine 10-3--10 Torr, Thermochimica Acta, 1989, 146, 53-61, https://doi.org/10.1016/0040-6031(89)87075-3 . [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]

Murthy, Paikaray, et al., 1995
Murthy, S.S.N.; Paikaray, A.; Arya, N., Molecular relaxation and excess entropy in liquids and their connection to the structure of glass, J. Chem. Phys., 1995, 102, 20, 8213, https://doi.org/10.1063/1.469232 . [all data]

Chang, 1972
Chang, S.S., Heat Capacity and Thermodynamic Properties of o-Terphenyl Crystal, Glass, and Liquid, J. Chem. Phys., 1972, 56, 1, 503, https://doi.org/10.1063/1.1676895 . [all data]

Kobayashi, 1983
Kobayashi, T., Conformational analysis of terphenyls by photoelectron spectroscopy, Bull. Chem. Soc. Jpn., 1983, 56, 3224. [all data]

Dewar and Goodman, 1972
Dewar, M.J.S.; Goodman, D.W., Photoelectron spectra of molecules. Part 5.--Polycyclic aromatic hydrocarbons, J. Chem. Soc. Faraday Trans. 2, 1972, 68, 1784. [all data]

Slifkin and Allison, 1967
Slifkin, M.A.; Allison, A.C., Measurement of ionization potentials from contact charge transfer spectra, Nature, 1967, 215, 949. [all data]

Gallegos, 1967
Gallegos, E.J., Mass spectrometry of some polyphenyls, J. Phys. Chem., 1967, 71, 1647. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  Cp,liquid	Constant pressure heat capacity of liquid
  Cp,solid	Constant pressure heat capacity of solid
  IE (evaluated)	Recommended ionization energy
  Pc	Critical pressure
  S°liquid	Entropy of liquid at standard conditions
  S°solid,1 bar	Entropy of solid at standard conditions (1 bar)
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  Vc	Critical volume
  ΔfH°solid	Enthalpy of formation of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions
  ρc	Critical density

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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