2-Pentanol, 3-methyl-

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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 by: Eugene S. Domalski and Elizabeth D. Hearing

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference
65.939298.15Bravo, Pintos, et al., 1984

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

Quantity Value Units Method Reference Comment
Tboil407. ± 2.KAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap13.9 ± 0.07kcal/molGSKulikov, Verevkin, et al., 2001Based on data from 275. to 310. K.; AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
13.0329.AStephenson and Malanowski, 1987Based on data from 314. to 409. K.; AC
14.4280.AStephenson and Malanowski, 1987Based on data from 255. to 295. K. See also Thomas, Meatyard, et al., 1979.; AC
13.1311.N/AWilhoit and Zwolinski, 1973Based on data from 296. to 408. K.; AC

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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

C6H13O- + Hydrogen cation = 2-Pentanol, 3-methyl-

By formula: C6H13O- + H+ = C6H14O

Quantity Value Units Method Reference Comment
Δr372.2 ± 2.0kcal/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Quantity Value Units Method Reference Comment
Δr365.6 ± 2.1kcal/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.

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 as indicated in comments:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H5O+10.242-C4H9EIHolmes, Lossing, et al., 1988LL

De-protonation reactions

C6H13O- + Hydrogen cation = 2-Pentanol, 3-methyl-

By formula: C6H13O- + H+ = C6H14O

Quantity Value Units Method Reference Comment
Δr372.2 ± 2.0kcal/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B
Quantity Value Units Method Reference Comment
Δr365.6 ± 2.1kcal/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.; B

IR Spectrum

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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

Gas Phase Spectrum

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IR spectrum
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Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


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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Mass spectrum
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Additional Data

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Due to licensing restrictions, this spectrum cannot be downloaded.

Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin Japan AIST/NIMC Database- Spectrum MS-NW-5451
NIST MS number 235433

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


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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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-10180.780.Boneva, 1987N2; Column length: 100. m; Column diameter: 0.27 mm
CapillaryOV-10190.780.8Boneva, 1987N2; Column length: 100. m; Column diameter: 0.27 mm
PackedApiezon L120.769.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.778.Bogoslovsky, Anvaer, et al., 1978Celite 545

Kovats' RI, polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryCarbowax 20M80.1212.Boneva, 1987N2; Column length: 50. m; Column diameter: 0.23 mm
CapillaryCarbowax 20M90.1214.Boneva, 1987N2; Column length: 50. m; Column diameter: 0.23 mm

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

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Column type Active phase I Reference Comment
CapillaryMethyl Silicone754.Sumathykutty, Rao, et al., 199950. m/0.25 mm/0.17 μm, N2, 2. K/min; Tstart: 80. C; Tend: 200. C
CapillaryDB-1762.Wu, Kuo, et al., 199150. m/0.32 mm/1.05 μm, He, 2. K/min, 260. C @ 40. min; Tstart: 40. C

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryRTX-1754.Bendiabdellah, El Amine Dib, et al., 201260. m/0.22 mm/0.25 μm, Helium, 2. K/min, 230. C @ 5. min; Tstart: 60. C
CapillaryOV-101792.Menon, Chacko, et al., 1999N2, 1. K/min, 200. C @ 20. min; Column length: 50. m; Column diameter: 0.2 mm; Tstart: 80. C
CapillaryOV-101797.Anker, Jurs, et al., 19902. K/min; Column length: 50. m; Column diameter: 0.28 mm; Tstart: 80. C; Tend: 200. C

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

View large format table.

Column type Active phase I Reference Comment
CapillaryRTX-1760.Bendiabdellah, El Amine Dib, et al., 201260. m/0.22 mm/0.25 μm, Helium; Program: not specified
CapillarySE-30797.Vinogradov, 2004Program: not specified
CapillaryPolydimethyl siloxanes767.Zenkevich, 1998Program: not specified

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax1160.Menon, Chacko, et al., 1999N2, 1. K/min, 200. C @ 20. min; Column length: 50. m; Column diameter: 0.2 mm; Tstart: 80. C
CapillaryCarbowax 20M1160.Anker, Jurs, et al., 19902. K/min; Column length: 80. m; Column diameter: 0.2 mm; Tstart: 70. C; Tend: 170. C

Normal alkane RI, polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryHP-Innowax1202.Narain, Galvao, et al., 200730. m/0.25 mm/0.25 μm, Helium; Program: 30 0C (5 min) 5 0C/min -> 100 0C (5 min) 1 0C/min -> 130 0C 10 0C/min -> 195 0C (45 min)
CapillaryCarbowax 20M1160.Vinogradov, 2004Program: not specified

References

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

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

Bravo, Pintos, et al., 1984
Bravo, R.; Pintos, M.; Baluja, M.C.; Paz Andrade, M.I.; Roux-Desgranges, G.; Grolier, J.-P.E., Excess volumes excess heat capacities of some mixtures: (an isomer of hexanol + an n-alkane) at 298.15 K, J. Chem. Thermodynam., 1984, 16, 73-79. [all data]

Kulikov, Verevkin, et al., 2001
Kulikov, Dmitry; Verevkin, Sergey P.; Heintz, Andreas, Determination of Vapor Pressures and Vaporization Enthalpies of the Aliphatic Branched C 5 and C 6 Alcohols, J. Chem. Eng. Data, 2001, 46, 6, 1593-1600, https://doi.org/10.1021/je010187p . [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]

Thomas, Meatyard, et al., 1979
Thomas, Leo H.; Meatyard, Robert; Smith, Harry; Davies, Gwyn H., Vapor pressures and molar entropies of vaporization of monohydric alcohols, J. Chem. Eng. Data, 1979, 24, 3, 159-161, https://doi.org/10.1021/je60082a032 . [all data]

Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J., Physical and thermodynamic properties of aliphatic alcohols, J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [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]

Holmes, Lossing, et al., 1988
Holmes, J.L.; Lossing, F.P.; Maccoll, A., Heats of formation of alkyl radicals from appearance energies, J. Am. Chem. Soc., 1988, 110, 7339. [all data]

Boneva, 1987
Boneva, S., Gas Chromatographic Retention Indices for C6 Alkanols on OV-101 and Carbowax 20M Capillary Columns, Chromatographia, 1987, 23, 1, 50-52, https://doi.org/10.1007/BF02310419 . [all data]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Sumathykutty, Rao, et al., 1999
Sumathykutty, M.A.; Rao, J.M.; Padmakumari, K.P.; Narayanan, C.S., Essential oil constituents of some Piper species, Flavour Fragr. J., 1999, 14, 5, 279-282, https://doi.org/10.1002/(SICI)1099-1026(199909/10)14:5<279::AID-FFJ821>3.0.CO;2-0 . [all data]

Wu, Kuo, et al., 1991
Wu, P.; Kuo, M.-C.; Hartman, T.G.; Rosen, R.T.; Ho, C.-T., Free and glycosidically bound aroma compounds in pineapple (Ananas comosus L. Merr.), J. Agric. Food Chem., 1991, 39, 1, 170-172, https://doi.org/10.1021/jf00001a033 . [all data]

Bendiabdellah, El Amine Dib, et al., 2012
Bendiabdellah, A.; El Amine Dib, M.; Djabou, N.; Allali, H.; Tabti, B.; Costa, J.; Myseli, A., Biological activities and volatile cinstituents of Daucus muricatus L. from Algeria, Chem. Centr. J., 2012, 6, 48, 1-22. [all data]

Menon, Chacko, et al., 1999
Menon, A.N.; Chacko, S.; Narayanan, C.S., Free and glycosidically bound volatiles of cardamom (Eletteria cardamomum Maton var. miniscula Burkill), Flavour Fragr. J., 1999, 14, 1, 65-68, https://doi.org/10.1002/(SICI)1099-1026(199901/02)14:1<65::AID-FFJ789>3.0.CO;2-A . [all data]

Anker, Jurs, et al., 1990
Anker, L.S.; Jurs, P.C.; Edwards, P.A., Quantitative structure-retention relationship studies of odor-active aliphatic compounds with oxygen-containing functional groups, Anal. Chem., 1990, 62, 24, 2676-2684, https://doi.org/10.1021/ac00223a006 . [all data]

Vinogradov, 2004
Vinogradov, B.A., Production, composition, properties and application of essential oils, 2004, retrieved from http://viness.narod.ru. [all data]

Zenkevich, 1998
Zenkevich, I.G., The Principle of Structural Analogy in the Calculation of Gas Chromatographic Retention Indices using Physico-Chemical Constants of Organic Compounds, Zh. Anal. Khim. (Rus.), 1998, 53, 1, 43-49. [all data]

Narain, Galvao, et al., 2007
Narain, N.; Galvao, M. deS.; Ferreira, D.DaS.; Navarro, D.M.A.F., Flavor biogeneration in Mangaba (Hancornia speciosa Gomes) fruit, BioEng. Campinas, 2007, 1, 1, 25-31. [all data]


Notes

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