Cyclopentanol, 1-methyl-

• Formula: C₆H₁₂O
• Molecular weight: 100.1589
• IUPAC Standard InChI: InChI=1S/C6H12O/c1-6(7)4-2-3-5-6/h7H,2-5H2,1H3 Copy

  
• IUPAC Standard InChIKey: CAKWRXVKWGUISE-UHFFFAOYSA-N Copy
• CAS Registry Number: 1462-03-9
• 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: 1-Hydroxy-1-methylcyclopentane; 1-Methylcyclopentanol; 1-Methyl-1-cyclopentanol
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• Information on this page:
  • Gas phase thermochemistry data
  • Condensed phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • IR Spectrum
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
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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
DRB - Donald R. Burgess, Jr.

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

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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Enthalpy of vaporization

Enthalpy of fusion

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: John E. Bartmess

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

C₆H₁₁O^- +  =

By formula: C₆H₁₁O^- + H⁺ = C₆H₁₂O

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 compiled by: John E. Bartmess

De-protonation reactions

C₆H₁₁O^- +  =

By formula: C₆H₁₁O^- + H⁺ = C₆H₁₂O

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% CCl4 FOR 3800-1330, 10% CS2 FOR 1330-460 CM^-1); DOW KBr FOREPRISM-GRATING; DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm^-1 resolution

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

• gas; HP-GC/MS/IRD

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

Gas Chromatography

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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

Kovats' RI, non-polar column, isothermal

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Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Normal alkane RI, non-polar column, custom temperature program

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References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, NIST Subscription Links, Notes

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

Blokhin, Kabo, et al., 1997
Blokhin, A.V.; Kabo, G.J.; Kozyro, A.A.; Ivashkevich, L.S.; Krasulin, A.P.; Diky, V.V.; Maksimuk, Yu.V., Thermodynamic properties of 1-methylcyclopentanol and 1-chloro-1-methylcyclopentane in the ideal gas state, Thermochim. Acta, 1997, 292, 19-29. [all data]

Wiberg, Wasserman, et al., 1985
Wiberg, K.B.; Wasserman, D.J.; Martin, E.J.; Murcko, M.A., Enthalpies of hydration of alkenes. 3. Cycloalkenes, J. Am. Chem. Soc., 1985, 107, 6019-6022. [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]

Walling and Padwa, 1963
Walling, C.; Padwa, A., Positive Halogen Compounds VI. Effects of Structure and Medium on the β-Scission of Alkoxy Radicals, J. Am. Chem. Soc., 1963, 85, 1593. [all data]

Lutz, Bearse, et al., 1948
Lutz, G.A.; Bearse, A.E.; Leonard, J.E.; Croxton, F.C., Studies in the Methylcyclopentane Series. I. Preparation and Reactions of Methylcyclopentyl Monochlorides, J. Am. Chem. Soc., 1948, 70, 4135-38. [all data]

Brown and Borkowski, 1952
Brown, H.C.; Borkowski, M., 1-Chloro-1-methylcycloalkanes, J. Am. Chem. Soc., 1952, 74, 1894. [all data]

White and Bishop, 1940
White, A.H.; Bishop, W.S., Dielectric Evidence of Molecular Rotation in the Crystals of Certain Non-aromatic Compounds, J. Am. Chem. Soc., 1940, 62, 8-16. [all data]

Timmermans and Hennaut-Roland, 1937
Timmermans, J.; Hennaut-Roland, M., Works from International Bureau at Physical-Chemical Standards. VIII. Physical constants of 20 organic compounds, J. Chim. Phys. Phys.-Chim. Biol., 1937, 34, 693. [all data]

Zelinskii and Namjetkin, 1902
Zelinskii, N.D.; Namjetkin, S., Synthesis of 1-Methylcyclopentanol, Ber. Dtsch. Chem. Ges., 1902, 35, 2683. [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]

Haas and Harrison, 1993
Haas, M.J.; Harrison, A.G., The Fragmentation of Proton-Bound Cluster Ions and the Gas-Phase Acidities of Alcohols, Int. J. Mass Spectrom. Ion Proc., 1993, 124, 2, 115, https://doi.org/10.1016/0168-1176(93)80003-W . [all data]

Wehrli and Kováts, 1959
Wehrli, A.; Kováts, E., Gas-chromatographische Charakterisierung ogranischer Verbindungen. Teil 3: Berechnung der Retentionsindices aliphatischer, alicyclischer und aromatischer Verbindungen, Helv. Chim. Acta, 1959, 7, 7, 2709-2736, https://doi.org/10.1002/hlca.19590420745 . [all data]

Gómez, Ledbetter, et al., 1993
Gómez, E.; Ledbetter, C.A.; Hartsell, P.L., Volatile compounds in apricot, plum, and their interspecific hybrids, J. Agric. Food Chem., 1993, 41, 10, 1669-1676, https://doi.org/10.1021/jf00034a029 . [all data]

Kurashov, Mitrukova, et al., 2014
Kurashov, E.A.; Mitrukova, G.G.; Krylova, Yu.V., Variations in the component composition of essential oil of Ceratophyllum demersum (Ceratophyllaceae) during vegetation (in press), Plant Resources (Rastitel'nye Resursy), 2014, 1, 000-000. [all data]

Kurashov, Krylova, et al., 2013
Kurashov, E.A.; Krylova, Yu.V.; Mitrukova, G.G., Variations in component composition of essential oil of Potamogeton pusillus (Potamogetonaceae) dirong vegetation, Plant Resources (Rastitel'nye Resursy), 2013, 000-000. [all data]

Notes

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• Symbols used in this document:
  

  Tboil	Boiling point
  Tfus	Fusion (melting) point
  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
  ΔfusH	Enthalpy of fusion
  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔsubH°	Enthalpy of sublimation at standard conditions
  ΔvapH	Enthalpy of vaporization

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