3-Pentanol, 2-methyl-

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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 by: Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-338.9 ± 2.2kJ/molN/ASachek, Peshchenko, et al., 1974Value computed using ΔfHliquid° value of -396.4±1 kj/mol from Sachek, Peshchenko, et al., 1974 and ΔvapH° value of 57.5±2 kj/mol from sec-alkanol correlation.

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 = 3-Pentanol, 2-methyl-

By formula: C6H13O- + H+ = C6H14O

Quantity Value Units Method Reference Comment
Δr1554. ± 8.8kJ/molG+TSHiggins and Bartmess, 1998gas phase
Δr1555. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1554. ± 12.kJ/molG+TSBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1526. ± 8.4kJ/molIMREHiggins and Bartmess, 1998gas phase
Δr1527. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1527. ± 11.kJ/molCIDCBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale

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

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

By formula: C6H13O- + H+ = C6H14O

Quantity Value Units Method Reference Comment
Δr1554. ± 8.8kJ/molG+TSHiggins and Bartmess, 1998gas phase
Δr1555. ± 8.4kJ/molCIDCHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1554. ± 12.kJ/molG+TSBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale
Quantity Value Units Method Reference Comment
Δr1526. ± 8.4kJ/molIMREHiggins and Bartmess, 1998gas phase
Δr1527. ± 8.8kJ/molH-TSHaas and Harrison, 1993gas phase; Both metastable and 50 eV collision energy.
Δr1527. ± 11.kJ/molCIDCBoand, Houriet, et al., 1983gas phase; value altered from reference due to change in acidity scale

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-10180.748.1Boneva, 1987N2; Column length: 100. m; Column diameter: 0.27 mm
CapillaryOV-10190.749.5Boneva, 1987N2; Column length: 100. m; Column diameter: 0.27 mm
PackedApiezon L120.751.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.763.Bogoslovsky, Anvaer, et al., 1978Celite 545

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

View large format table.

Column type Active phase I Reference Comment
CapillaryVF-5MS775.3Tret'yakov, 200730. m/0.25 mm/0.25 μm, He; Program: Multi-step temperature program; T(initial)=60C; T(final)=270C

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryOV-101777.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
CapillaryHP-5805.Rotsatschakul, Visesanguan, et al., 200960. m/0.25 mm/0.25 μm, Helium; Program: 30 0C (2 min) 2 0Cmin -> 60 0C 10 0C/min -> 100 0C 20 0C/min -> 140 0C 10 0C/min -> 200 0C (10 min)
CapillaryMethyl Silicone758.Feng and Mu, 2007Program: not specified
CapillaryMDN-5774.Turchimi, Mentasti, et al., 200430. m/0.25 mm/0.25 μm, Helium; Program: 35 0C (1 min) 120 0C/min -> 60 0C 2 0C/min -> 280 0C
CapillarySE-30777.Vinogradov, 2004Program: not specified
CapillarySE-30755.Vinogradov, 2004Program: not specified
CapillaryPolydimethyl siloxane758.Junkes, Castanho, et al., 2003Program: not specified
CapillaryMethyl Silicone758.Estrada and Gutierrez, 1999Program: not specified
CapillaryPolydimethyl siloxanes758.Zenkevich, 1998Program: not specified

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryCarbowax 20M1121.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
CapillarySOLGel-Wax1167.Johanningsmeier and McFeeters, 201130. m/0.25 mm/0.25 μm, Helium; Program: 40 0C (2 min) 5 0C/min -> 140 0C 10 0C/min -> 250 0C (3 min)
CapillarySOLGel-Wax1121.Johanningsmeier and McFeeters, 201130. m/0.25 mm/0.25 μm, Helium; Program: not specified
CapillaryCarbowax 20M1121.Vinogradov, 2004Program: not specified

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, Notes

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

Sachek, Peshchenko, et al., 1974
Sachek, A.I.; Peshchenko, A.D.; Andreevskii, D.N., Heats of formation of secondary pentanols and hexanols, Russ. J. Phys. Chem. (Engl. Transl.), 1974, 48, 617. [all data]

Higgins and Bartmess, 1998
Higgins, P.R.; Bartmess, J.E., The Gas Phase Acidities of Long Chain Alcohols., Int. J. Mass Spectrom., 1998, 175, 1-2, 71-79, https://doi.org/10.1016/S0168-1176(98)00125-6 . [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]

Boand, Houriet, et al., 1983
Boand, G.; Houriet, R.; Baumann, T., The gas phase acidity of aliphatic alcohols, J. Am. Chem. Soc., 1983, 105, 2203. [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]

Tret'yakov, 2007
Tret'yakov, K.V., Retention Data. NIST Mass Spectrometry Data Center., NIST Mass Spectrometry Data Center, 2007. [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]

Rotsatschakul, Visesanguan, et al., 2009
Rotsatschakul, P.; Visesanguan, W.; Smitinont, T.; Chaiseri, S., Changes in volatile compounds during fermentation of nham (Thai fermented sausage), Int. Food Res. J., 2009, 16, 391-414. [all data]

Feng and Mu, 2007
Feng, H.; Mu, L.-L., Quantitative structure-retention relationships for alkane and its derivatives based on electrotopological state index and molecular shape index, Chem. Ind. Engineering (Chinese), 2007, 24, 2, 161-168. [all data]

Turchimi, Mentasti, et al., 2004
Turchimi, G.N.; Mentasti, T.; Carpino, F.; Panseri, S.; Moretti, V.M.; Valfre, F., Effects of dietary lipid sources on flavour volatile compounds of brown trout (Salmo trurra L.) fillet, J. Appl. Ichtyol., 2004, 20, 1, 71-75, https://doi.org/10.1046/j.0175-8659.2003.00522.x . [all data]

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

Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F., Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies, Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]

Estrada and Gutierrez, 1999
Estrada, E.; Gutierrez, Y., Modeling chromatographic parameters by a novel graph theoretical sub-structural approach, J. Chromatogr. A, 1999, 858, 2, 187-199, https://doi.org/10.1016/S0021-9673(99)00808-0 . [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]

Johanningsmeier and McFeeters, 2011
Johanningsmeier, S.D.; McFeeters, R.F., Detection of volatile spoilage metabolites in fermented cucumbers using nontargeted, comprehensive 2-dimensional gas chromatography-time-of-flight mass spectrometry (GCxGCxTOFMS), J. Food Sci., 2011, 76, 1, c168-c177, https://doi.org/10.1111/j.1750-3841.2010.01918.x . [all data]


Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References