endo-Dicyclopentadiene

• Formula: C₁₀H₁₂
• Molecular weight: 132.2023
• IUPAC Standard InChI: InChI=1S/C10H12/c1-2-9-7-4-5-8(6-7)10(9)3-1/h1-2,4-5,7-10H,3,6H2/t7-,8-,9-,10+/m1/s1 Copy

  
• IUPAC Standard InChIKey: HECLRDQVFMWTQS-KYXWUPHJSA-N Copy
• CAS Registry Number: 1755-01-7
• 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.
• Stereoisomers:
  • Dicyclopentadiene
  • Dicyclopentadiene (endo)
  • Dicyclopentadiene, exo
  • endo-Dicyclopentadiene
• Other names: (3aα,4α,7α,7aα)-3a,4,7,7a-Tetrahydro-4,7-methano-1H-indene; 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydro-, (3aα,4α,7α,7aα)-
• 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
  • Reaction thermochemistry data
  • References
  • Notes
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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Condensed phase thermochemistry 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:
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

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:
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Enthalpy of fusion

Enthalpy of phase transition

Entropy of phase transition

Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

 +  = C₁₆H₁₆N₄O₂

By formula: C₆H₄N₄O₂ + C₁₀H₁₂ = C₁₆H₁₆N₄O₂

 +  = C₁₆H₁₇N₃

By formula: C₁₀H₁₂ + C₆H₅N₃ = C₁₆H₁₇N₃

2 =

By formula: 2C₅H₆ = C₁₀H₁₂

References

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

Becker and Roth, 1934
Becker, G.; Roth, W.A., Verbrennungswarmen einiger cyclischer kohlenwasserstoffe, Ber., 1934, 67, 627-632. [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]

Lebedev and Lityagov, 1977
Lebedev, B.V.; Lityagov, V.Ya., Thermodynamics of polypentenamer synthesis reactions, Vysokomol. Soedin., 1977, B19, 558-560. [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]

Smirnova, Lebedev, et al., 1997
Smirnova, N.N.; Lebedev, B.V.; Kiparisova, E.G.; Makovetskii, K.L.; Ostrovskaya, I.Ya., Thermodynamics of endo- and exo-dicyclopentadienes, their metathesis and addition polymerizations, and the resulting polymers, Poly. Sci., Ser. A, 1997, 39, 8, 893. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Samuilov, Movchan, et al., 1985
Samuilov, Ya.D.; Movchan, A.I.; Solov'eva, S.E.; Konovalov, A.I., Thermochemical and kinetic study of 1,3-dipolar cycloadditions involving aryl azides and nitrones, Zh. Org. Khim., 1985, 21, 1772-1776. [all data]

Lenz and Vaughan, 1989
Lenz, T.G.; Vaughan, J.D., Employing force-field calculations to predict equilibrium constants and other thermodynamic properties for the dimerization of 1,3-cyclopentadiene, J. Phys. Chem., 1989, 93, 1592-1596. [all data]

Notes

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• Symbols used in this document:
  

  Cp,solid	Constant pressure heat capacity of solid
  S°solid,1 bar	Entropy of solid at standard conditions (1 bar)
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition
  ΔcH°solid	Enthalpy of combustion of solid at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization

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