2H-Pyran-2-one, tetrahydro-

• Formula: C₅H₈O₂
• Molecular weight: 100.1158
• IUPAC Standard InChI: InChI=1S/C5H8O2/c6-5-3-1-2-4-7-5/h1-4H2 Copy

  
• IUPAC Standard InChIKey: OZJPLYNZGCXSJM-UHFFFAOYSA-N Copy
• CAS Registry Number: 542-28-9
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: δ-Valerolactone; δ-Valeryllactone; Pentanoic acid, 5-hydroxy-, δ-lactone; Tetrahydro-2-pyranone; 5-Valerolactone; Valeric acid, δ-hydroxy-, δ-lactone; 5-Hydroxypentanoic acid δ-lactone; 1-Oxacyclohexan-2-one; Tetrahydro-2H-pyran-2-one; Delta-valerolactone; δ-Pentalactone; 5-Pentanolide; Cyclopentanolide; Tetrahydropyran-2-one; NSC 6247; Pentan-5-olide; γ-Valerolactone
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• Information on this page:
  • Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
  • References
  • Notes
• Other data available:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
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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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

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.

Emel'yanenko, Kozlova, et al., 2007
Emel'yanenko, Vladimir N.; Kozlova, Svetlana A.; Verevkin, Sergey P.; Roganov, Gennady N., Vapour pressures and enthalpies of vaporization of a series of δ-lactones, The Journal of Chemical Thermodynamics, 2007, 39, 1, 10-15, https://doi.org/10.1016/j.jct.2006.06.010 . [all data]

Wiberg and Waldron, 1991
Wiberg, K.B.; Waldron, R.F., Lactones. 2. Enthalpies of hydrolysis, reduction, and formation of the C₄-C₁₃ monocyclic lactones. strain energies and conformations, J. Am. Chem. Soc., 1991, 113, 7697-7705. [all data]

Leitao, Pilcher, et al., 1990
Leitao, M.L.P.; Pilcher, H.; Meng-Yan, Y.; Brown, J.M.; Conn, A.D., Enthalpies of combustion of γ-butyrolactone, γ-valerolactone, and δ-valerolactone, J. Chem. Thermodyn., 1990, 22, 885-891. [all data]

Brown, Conn, et al., 1989
Brown, J.M.; Conn, A.D.; Pilcher, G.; Leitao, M.L.P.; Yang, M.-Y., On the strain energy of 5-ring and 6-ring lactones, J. Chem. Soc., Chem. Commun., 1989, 1817-1819. [all data]

Brown, Conn, et al., 1989, 2
Brown, John M.; Conn, Alistair D.; Pilcher, Geoffrey; Leit«65533»o, M. Luisa P.; Meng-Yan, Yang, On the strain energy of 5-ring and 6-ring lactones, J. Chem. Soc., Chem. Commun., 1989, 23, 1817, https://doi.org/10.1039/c39890001817 . [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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