Cyclopentane, butyl-

• Formula: C₉H₁₈
• Molecular weight: 126.2392
• IUPAC Standard InChI: InChI=1S/C9H18/c1-2-3-6-9-7-4-5-8-9/h9H,2-8H2,1H3 Copy

  
• IUPAC Standard InChIKey: ZAGHKONXGGSVDV-UHFFFAOYSA-N Copy
• CAS Registry Number: 2040-95-1
• 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: Butylcyclopentane; n-Butylcyclopentane
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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Gas 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

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 liquid

References

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

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

Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D., Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH₂ group for several homologous series of hydrocarbons, J. Res. NBS, 1946, 37, 51-56. [all data]

Messerly J.F., 1965
Messerly J.F., Low-temperature thermodynamic properties of n-propyl-, n-butyl-, and n-decyl-substituted cyclopentanes, J. Phys. Chem., 1965, 69, 353-359. [all data]

Messerly, Todd, et al., 1965
Messerly, J.F.; Todd, S.S.; Finke, H.L., Low-temperature thermodynamic properties of n-propyl-, n-butyl-, and n-decyl-substituted cyclopentanes, J. Phys. Chem., 1965, 69, 353-359. [all data]

Notes

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

• Symbols used in this document:
  

  Cp,liquid	Constant pressure heat capacity of liquid
  S°gas	Entropy of gas at standard conditions
  S°liquid	Entropy of liquid at standard conditions
  ΔcH°liquid	Enthalpy of combustion of liquid at standard conditions
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfH°liquid	Enthalpy of formation of liquid at standard conditions

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