2-Pentanol, 3-methyl-
- Formula: C6H14O
- Molecular weight: 102.1748
- IUPAC Standard InChIKey: ZXNBBWHRUSXUFZ-UHFFFAOYSA-N
- CAS Registry Number: 565-60-6
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: 3-Methyl-2-pentanol; 3-Methyl-4-pentanol; 3-Methylpentan-2-ol
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, Gas Chromatography, References, Notes
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- + =
By formula: C6H13O- + H+ = C6H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1557. ± 8.4 | kJ/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1530. ± 8.8 | kJ/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy. |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, Gas Chromatography, References, Notes
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 | Method | Reference | Comment |
---|---|---|---|---|---|
C2H5O+ | 10.24 | 2-C4H9 | EI | Holmes, Lossing, et al., 1988 | LL |
De-protonation reactions
C6H13O- + =
By formula: C6H13O- + H+ = C6H14O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1557. ± 8.4 | kJ/mol | CIDC | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1530. ± 8.8 | kJ/mol | H-TS | Haas and Harrison, 1993 | gas phase; Both metastable and 50 eV collision energy.; B |
Gas Chromatography
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes
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
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | OV-101 | 80. | 780. | Boneva, 1987 | N2; Column length: 100. m; Column diameter: 0.27 mm |
Capillary | OV-101 | 90. | 780.8 | Boneva, 1987 | N2; Column length: 100. m; Column diameter: 0.27 mm |
Packed | Apiezon L | 120. | 769. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Packed | Apiezon L | 160. | 778. | Bogoslovsky, Anvaer, et al., 1978 | Celite 545 |
Kovats' RI, polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Carbowax 20M | 80. | 1212. | Boneva, 1987 | N2; Column length: 50. m; Column diameter: 0.23 mm |
Capillary | Carbowax 20M | 90. | 1214. | Boneva, 1987 | N2; Column length: 50. m; Column diameter: 0.23 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Methyl Silicone | 754. | Sumathykutty, Rao, et al., 1999 | 50. m/0.25 mm/0.17 μm, N2, 2. K/min; Tstart: 80. C; Tend: 200. C |
Capillary | DB-1 | 762. | Wu, Kuo, et al., 1991 | 50. 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-1 | 754. | Bendiabdellah, El Amine Dib, et al., 2012 | 60. m/0.22 mm/0.25 μm, Helium, 2. K/min, 230. C @ 5. min; Tstart: 60. C |
Capillary | OV-101 | 792. | Menon, Chacko, et al., 1999 | N2, 1. K/min, 200. C @ 20. min; Column length: 50. m; Column diameter: 0.2 mm; Tstart: 80. C |
Capillary | OV-101 | 797. | Anker, Jurs, et al., 1990 | 2. 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | RTX-1 | 760. | Bendiabdellah, El Amine Dib, et al., 2012 | 60. m/0.22 mm/0.25 μm, Helium; Program: not specified |
Capillary | SE-30 | 797. | Vinogradov, 2004 | Program: not specified |
Capillary | Polydimethyl siloxanes | 767. | Zenkevich, 1998 | Program: not specified |
Normal alkane RI, polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Carbowax | 1160. | Menon, Chacko, et al., 1999 | N2, 1. K/min, 200. C @ 20. min; Column length: 50. m; Column diameter: 0.2 mm; Tstart: 80. C |
Capillary | Carbowax 20M | 1160. | Anker, Jurs, et al., 1990 | 2. 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
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP-Innowax | 1202. | Narain, Galvao, et al., 2007 | 30. 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) |
Capillary | Carbowax 20M | 1160. | Vinogradov, 2004 | Program: not specified |
References
Go To: Top, 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.
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, Reaction thermochemistry data, Gas phase ion energetics data, Gas Chromatography, References
- Symbols used in this document:
AE Appearance energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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