9,10[1',2']-Benzenoanthracene, 9,10-dihydro-

• Formula: C₂₀H₁₄
• Molecular weight: 254.3252
• IUPAC Standard InChI: InChI=1S/C20H14/c1-2-8-14-13(7-1)19-15-9-3-5-11-17(15)20(14)18-12-6-4-10-16(18)19/h1-12,19-20H Copy

  
• IUPAC Standard InChIKey: NGDCLPXRKSWRPY-UHFFFAOYSA-N Copy
• CAS Registry Number: 477-75-8
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Other names: Triptycene; 9,10-o-Benzenoanthracene, 9,10-dihydro-; Tribenzobicyclo[2.2.2]octatriene; Tryptycene; Anthracene, 9,10-dihydro-9,10-O-benzeno-; 9,10-o-benzeno-9,10-dihydroanthracene
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • UV/Visible spectrum
  • Gas Chromatography
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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of solid

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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 as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard

Ionization energy determinations

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Rodgers, Westrum, et al., 1973
Rodgers, D.L.; Westrum, E.F., Jr.; Andrews, J.T.S., The enthalpies of combustion and formation of [2.2]-paracyclophane and triptycene, J. Chem. Thermodyn., 1973, 5, 733-739. [all data]

Bencivenni L., 1979
Bencivenni L., Vibrational spectrum and thermodynamic functions of gaseous triptycene, J. Mol. Struct., 1979, 53, 25-29. [all data]

Andrews and Westrum, 1970
Andrews, J.T.S.; Westrum, E.F., Jr., The heat capacity and thermodynamic functions of crystalline and liquid triptycene, J. Chem. Thermodynam., 1970, 2, 245-253. [all data]

Martin, Mayer, et al., 1983
Martin, H.-D.; Mayer, B.; Gleiter, R.; Schafer, W.; Vogtle, F., Photoelektronenspektroskopische untersuchung transanularer π-,σ- und n-wechselwirkungen in bruckenkopfsubstituierten triptycenen, Chem. Ber., 1983, 116, 2546. [all data]

Haselbach, Neuhaus, et al., 1982
Haselbach, E.; Neuhaus, L.; Johnson, R.P.; Houk, K.N.; Paddon-Row, M.N., .PI.-Orbital interactions in mobius-type molecules as studied by photoelectron spectroscopy, Helv. Chim. Acta, 1982, 65, 1743. [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References

• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  Cp,solid	Constant pressure heat capacity of solid
  S°solid,1 bar	Entropy of solid at standard conditions (1 bar)
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°solid	Enthalpy of formation of solid at standard conditions

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