Pentane, 2-methyl-

Formula: C₆H₁₄
Molecular weight: 86.1754
IUPAC Standard InChI: InChI=1S/C6H14/c1-4-5-6(2)3/h6H,4-5H2,1-3H3
IUPAC Standard InChIKey: AFABGHUZZDYHJO-UHFFFAOYSA-N
CAS Registry Number: 107-83-5
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.
Other names: Isohexane; 2-Methylpentane; (CH3)2CH(CH2)2CH3; Methyl pentane; UN 1208; UN 2462; Esano isomeri
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- Gas Phase Kinetics Database
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Gas phase thermochemistry data

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Data compiled as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_gas	-41.66 ± 0.25	kcal/mol	Ccb	Prosen and Rossini, 1945	ALS
Quantity	Value	Units	Method	Reference	Comment
Δ_cH°_gas	-993.71 ± 0.23	kcal/mol	Ccb	Prosen and Rossini, 1945	Corresponding Δ_fHº_gas = -48.80 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

C_p,gas (cal/mol*K)	Temperature (K)	Reference	Comment
24.221	200.	Scott D.W., 1974	Recommended values were obtained from the consistent correlation scheme for alkanes [ Scott D.W., 1974, 2, Scott D.W., 1974]. This approach gives a better agreement with experimental data than the statistical thermodynamics calculation [ Pitzer K.S., 1946] (see also [ Waddington G., 1949]).; GT
31.520	273.15
33.99 ± 0.05	298.15
34.180	300.
43.860	400.
52.541	500.
60.000	600.
66.300	700.
71.800	800.
76.501	900.
80.600	1000.
84.099	1100.
87.199	1200.
90.000	1300.
93.000	1400.
95.000	1500.

Constant pressure heat capacity of gas

C_p,gas (cal/mol*K)	Temperature (K)	Reference	Comment
36.771	325.10	Waddington G., 1949	GT
40.301	362.15
44.080	402.25
47.139	436.20
50.160	471.15

Reaction thermochemistry data

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

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

+ = Pentane, 2-methyl-

By formula: H₂ + C₆H₁₂ = C₆H₁₄

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-27.80 ± 0.10	kcal/mol	Chyd	Rogers, Crooks, et al., 1987	liquid phase
Δ_rH°	-27.63 ± 0.52	kcal/mol	Chyd	Molnar, Rachford, et al., 1984	liquid phase; solvent: Dioxane

+ = Pentane, 2-methyl-

By formula: H₂ + C₆H₁₂ = C₆H₁₄

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-27.94 ± 0.091	kcal/mol	Chyd	Rogers, Crooks, et al., 1987	liquid phase
Δ_rH°	-27.3	kcal/mol	Chyd	Turner, Nettleton, et al., 1958	liquid phase; solvent: Acetic acid

+ = Pentane, 2-methyl-

By formula: H₂ + C₆H₁₂ = C₆H₁₄

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-27.29 ± 0.14	kcal/mol	Chyd	Rogers, Crooks, et al., 1987	liquid phase
Δ_rH°	-26.4	kcal/mol	Chyd	Turner, Nettleton, et al., 1958	liquid phase; solvent: Acetic acid

2 + = Pentane, 2-methyl-

By formula: 2H₂ + C₆H₁₀ = C₆H₁₄

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-64.5 ± 0.1	kcal/mol	Chyd	Roth, Kirmse, et al., 1982	liquid phase; solvent: Isooctane

= Pentane, 2-methyl-

By formula: C₆H₁₄ = C₆H₁₄

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-1.30 ± 0.21	kcal/mol	Ciso	Prosen and Rossini, 1941	liquid phase; Calculated from ΔHc

+ = Pentane, 2-methyl-

By formula: H₂ + C₆H₁₂ = C₆H₁₄

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-30.28 ± 0.10	kcal/mol	Chyd	Rogers, Crooks, et al., 1987	liquid phase

+ = Pentane, 2-methyl-

By formula: H₂ + C₆H₁₂ = C₆H₁₄

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	-26.67 ± 0.18	kcal/mol	Chyd	Rogers, Crooks, et al., 1987	liquid phase

Pentane, 2-methyl- =

By formula: C₆H₁₄ = C₆H₁₄

Quantity	Value	Units	Method	Reference	Comment
Δ_rH°	0.22 ± 0.11	kcal/mol	Eqk	Roganov, Kabo, et al., 1972	gas phase; At 368 K

Gas phase ion energetics data

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Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

Ionization energy determinations

IE (eV)	Method	Reference	Comment
10.04	EST	Luo and Pacey, 1992	LL
9.89 ± 0.15	EQ	Mautner(Meot-Ner), Sieck, et al., 1981	LLK
10.12	PI	Watanabe, Nakayama, et al., 1962	RDSH

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
C₃H₆⁺	10.91 ± 0.05	C₃H₈	PI	Steiner, Giese, et al., 1961	RDSH
C₃H₇⁺	~11.35 ± 0.10	C₃H₇	PI	Steiner, Giese, et al., 1961	RDSH
C₄H₈⁺	10.65 ± 0.015	C₂H₆	PI	Steiner, Giese, et al., 1961	RDSH
C₄H₉⁺	10.73 ± 0.02	C₂H₅	PI	Steiner, Giese, et al., 1961	RDSH
C₅H₁₀⁺	10.835 ± 0.025	CH₄	PI	Steiner, Giese, et al., 1961	RDSH
C₅H₁₁⁺	10.865 ± 0.085	CH₃	PI	Steiner, Giese, et al., 1961	RDSH

Gas Chromatography

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

Kovats' RI, non-polar column, isothermal

View large format table.

Column type	Active phase	Temperature (C)	I	Reference	Comment
Capillary	OV-101	40.	569.3	Chen, Liang, et al., 2001	He; Column length: 50. m; Column diameter: 0.25 mm
Capillary	OV-101	60.	569.4	Chen, Liang, et al., 2001	He; Column length: 50. m; Column diameter: 0.25 mm
Capillary	Squalane	100.	570.	Heinzen, Soares, et al., 1999
Capillary	OV-101	0.	568.	Skrbic, 1997
Packed	Squalane	78.5	570.7	Zhang and Lu, 1996
Capillary	CP Sil 2	60.	568.0	Estel, Mohnke, et al., 1995	100. m/0.25 mm/0.25 μm
Capillary	OV-101	150.	573.6	Cha and Lee, 1994	Column length: 20. m; Column diameter: 0.5 mm
Capillary	OV-101	180.	575.7	Cha and Lee, 1994	Column length: 20. m; Column diameter: 0.5 mm
Capillary	Squalane	25.	569.	Hilal, Carreira, et al., 1994
Capillary	DB-1	60.	569.8	Krupcik, Skacani, et al., 1994	H2; Phase thickness: 0.25 μm
Capillary	PONA	60.	569.7	Krupcik, Skacani, et al., 1994	H2; Phase thickness: 0.5 μm
Capillary	PONA	60.	569.8	Krupcik, Skacani, et al., 1994	H2; Phase thickness: 0.5 μm
Capillary	DB-1	60.	569.7	Krupcik, Skacani, et al., 1994	H2; Phase thickness: 1. μm
Capillary	OV-101	60.	568.4	Krupcik, Skacani, et al., 1994	H2; Phase thickness: 0.2 μm
Capillary	HP-1	60.	570.	Bangjie, Yijian, et al., 1988	N2; Column length: 25. m; Column diameter: 0.20 mm
Capillary	HP-1	60.	570.	Bangjie, Yijian, et al., 1988	N2; Column length: 25. m; Column diameter: 0.20 mm
Capillary	OV-101	40.	567.	Laub and Purnell, 1988
Capillary	OV-101	60.	568.	Laub and Purnell, 1988
Capillary	OV-101	80.	568.	Laub and Purnell, 1988
Capillary	Squalane	50.	569.7	Lunskii and Paizanskaya, 1988	He; Column length: 50. m; Column diameter: 0.22 mm
Capillary	Squalane	70.	569.6	Lunskii and Paizanskaya, 1988	He; Column length: 50. m; Column diameter: 0.22 mm
Capillary	Squalane	50.	569.7	Papazova, Milina, et al., 1988	Column length: 50. m; Column diameter: 0.25 mm
Capillary	OV-101	40.	569.2	Boneva and Dimov, 1986	100. m/0.27 mm/0.9 μm
Capillary	OV-101	50.	569.3	Boneva and Dimov, 1986	100. m/0.27 mm/0.9 μm
Capillary	OV-101	60.	569.4	Boneva and Dimov, 1986	100. m/0.27 mm/0.9 μm
Capillary	OV-101	70.	569.9	Boneva and Dimov, 1986	100. m/0.27 mm/0.9 μm
Capillary	OV-101	30.	569.	Chien, Furio, et al., 1983
Capillary	OV-101	40.	569.	Chien, Furio, et al., 1983
Capillary	OV-101	50.	569.	Chien, Furio, et al., 1983
Capillary	OV-101	60.	569.	Chien, Furio, et al., 1983
Capillary	OV-101	70.	569.	Chien, Furio, et al., 1983
Capillary	OV-101	80.	569.	Chien, Furio, et al., 1983
Capillary	DB-1	60.	569.8	Lubeck and Sutton, 1983	Column length: 60. m; Column diameter: 0.264 mm
Capillary	DB-1	60.	569.7	Lubeck and Sutton, 1983	60. m/0.259 mm/1. μm
Capillary	OV-1	50.	569.	Anders, Scheller, et al., 1982	Column length: 55. m; Column diameter: 0.21 mm
Capillary	OV-101	50.	570.	Johansen and Ettre, 1982	100. m/0.27 mm/0.20 μm
Capillary	OV-101	50.	570.	Johansen and Ettre, 1982	55. m/0.27 mm/0.9 μm
Capillary	SF-96	50.	568.	Johansen and Ettre, 1982	91.4 m/0.31 mm/0.20 μm
Capillary	OV-1	40.	560.	Nijs and Jacobs, 1981	He; Column length: 150. m; Column diameter: 0.50 mm
Packed	Squalane	100.	575.	Nabivach and Kirilenko, 1980	He, Chromaton N-AW-HMDS; Column length: 1. m
Capillary	Squalane	50.	569.8	Bajus, Veselý, et al., 1979	Column length: 100. m; Column diameter: 0.25 mm
Packed	Triacontane	70.	569.	Castello and D'Amato, 1979	He, Chromosorb W AW (60-80 mesh); Column length: 3. m
Packed	Triacontane	80.	570.	Castello and D'Amato, 1979	He, Chromosorb W AW (60-80 mesh); Column length: 3. m
Packed	Squalane	70.	570.	Castello and D'Amato, 1979	He, Chromosorb W AW (60-80 mesh); Column length: 3. m
Packed	Squalane	80.	570.	Castello and D'Amato, 1979	He, Chromosorb W AW (60-80 mesh); Column length: 3. m
Packed	OV-1	80.	571.	Dimov and Papazova, 1979	Chromosorb W AW DMCS (80-100 mesh); Column length: 4. m
Packed	SE-30	80.	569.	Dimov and Papazova, 1979	Chromosorb W AW DMCS (80-100 mesh); Column length: 4. m
Capillary	Squalane	60.	570.	Chretien and Dubois, 1976
Capillary	Squalane	100.	570.9	Lulova, Leont'eva, et al., 1976	He; Column length: 120. m; Column diameter: 0.25 mm
Capillary	Squalane	100.	569.1	Lulova, Leont'eva, et al., 1976	He; Column length: 120. m; Column diameter: 0.25 mm
Packed	Squalane	100.	573.	Vernon and Edwards, 1975	N2, DCMS-treated Celite; Column length: 1. m
Capillary	Squalane	50.	570.	Rijks and Cramers, 1974	N2; Column length: 100. m; Column diameter: 0.25 mm
Capillary	Squalane	70.	570.	Rijks and Cramers, 1974	N2; Column length: 100. m; Column diameter: 0.25 mm
Packed	SF-96	100.	571.04	Castello, Berg, et al., 1973	Chromosorb P(DMCS); Column length: 4. m
Packed	SF-96	110.	571.13	Castello, Berg, et al., 1973	Chromosorb P(DMCS); Column length: 4. m
Packed	SF-96	120.	570.85	Castello, Berg, et al., 1973	Chromosorb P(DMCS); Column length: 4. m
Packed	SF-96	80.	570.12	Castello, Berg, et al., 1973	Chromosorb P(DMCS); Column length: 4. m
Packed	SF-96	90.	570.28	Castello, Berg, et al., 1973	Chromosorb P(DMCS); Column length: 4. m
Capillary	OV-101	50.	570.	Pacáková, Hoch, et al., 1973	25. m/0.25 mm/1.39 μm, N2
Capillary	OV-101	60.	570.	Pacáková, Hoch, et al., 1973	25. m/0.25 mm/1.39 μm, N2
Capillary	Squalane	100.	571.3	Schomburg and Dielmann, 1973	Column length: 100. m; Column diameter: 0.25 mm
Capillary	Squalane	27.	569.19	Schomburg and Dielmann, 1973	Column length: 100. m; Column diameter: 0.25 mm
Capillary	Vacuum Grease Oil (VM-4)	35.	567.	Sidorov, Petrova, et al., 1972
Capillary	Vacuum Grease Oil (VM-4)	45.	568.	Sidorov, Petrova, et al., 1972
Capillary	Vacuum Grease Oil (VM-4)	50.	568.	Sidorov, Petrova, et al., 1972
Capillary	Vacuum Grease Oil (VM-4)	58.	568.	Sidorov, Petrova, et al., 1972
Capillary	Vacuum Grease Oil (VM-4)	68.	569.	Sidorov, Petrova, et al., 1972
Capillary	Squalane	70.	569.7	Dimov and Schopov, 1971	Column length: 100. m; Column diameter: 0.25 mm
Packed	SE-30	75.	570.	Robinson and Odell, 1971	N2, Chromosorb W; Column length: 6.1 m
Packed	Squalane	100.	578.	Robinson and Odell, 1971	N2, Embacel; Column length: 3.0 m
Packed	SE-30	80.	568.	Mitra and Saha, 1970	N2
Packed	Squalane	25.	570.	Mitra and Saha, 1970	N2
Packed	Squalane	80.	570.	Mitra and Saha, 1970	N2
Capillary	Squalane	40.	573.	Matukuma, 1969	N2; Column length: 91.4 m; Column diameter: 0.25 mm
Packed	Squalane	27.	569.	Hively and Hinton, 1968	He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
Packed	Squalane	49.	570.	Hively and Hinton, 1968	He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
Packed	Squalane	67.	570.	Hively and Hinton, 1968	He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
Packed	Squalane	30.	569.	Tourres, 1967	H2; Column length: 10. m
Packed	Squalane	50.	569.5	Tourres, 1967	H2; Column length: 10. m
Capillary	Squalane	30.	569.	Tourres, 1967, 2	H2; Column length: 100. m; Column diameter: 0.25 mm
Capillary	Squalane	50.	570.	Tourres, 1967, 2	H2; Column length: 100. m; Column diameter: 0.25 mm
Capillary	Squalane	70.	570.	Tourres, 1967, 2	H2; Column length: 100. m; Column diameter: 0.25 mm
Packed	SE-30	70.	577.	Widmer, 1967	Diatoport S; Column length: 7.9 m
Packed	Squalane	100.	571.	Evans, 1966	Untreated celite; Column length: 1.8 m
Packed	Squalane	22.	569.	Evans, 1966	Untreated celite; Column length: 1.8 m
Packed	Squalane	30.	569.	Evans, 1966	Untreated celite; Column length: 1.8 m
Packed	Squalane	40.	570.	Evans, 1966	Untreated celite; Column length: 1.8 m
Packed	Squalane	55.	570.	Evans, 1966	Untreated celite; Column length: 1.8 m
Packed	Squalane	60.	570.	Evans, 1966	Untreated celite; Column length: 1.8 m
Packed	Squalane	70.	569.	Evans, 1966	Untreated celite; Column length: 1.8 m
Packed	Squalane	80.	570.	Evans, 1966	Untreated celite; Column length: 1.8 m
Packed	Squalane	26.	571.	Zulaïca and Guiochon, 1966	Column length: 10. m
Packed	Apiezon L	130.	571.	Wehrli and Kováts, 1959	Celite; Column length: 2.25 m
Packed	Apiezon L	70.	570.	Wehrli and Kováts, 1959	Celite; Column length: 2.25 m

Kovats' RI, non-polar column, temperature ramp

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	OV-101	562.	Hayes and Pitzer, 1982	110. m/0.25 mm/0.20 μm, He, 1. K/min; T_start: 35. C; T_end: 200. C
Capillary	Apiezon L	562.	Louis, 1971	N2, 1. K/min; Column length: 50. m; Column diameter: 0.25 mm; T_start: 60. C

Kovats' RI, non-polar column, custom temperature program

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	Petrocol DH-100	573.5	Haagen-Smit Laboratory, 1997	He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min)
Capillary	DB-1	572.	Hoekman, 1993	60. m/0.32 mm/1.0 μm, He; Program: -40 C for 12 min; -40 - 125 C at 3 deg.min; 125-185 C at 6 deg/min; 185 - 220 C at 20 deg/min; hold 220 C for 2 min

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

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	SPB-5	559.	Engel and Ratel, 2007	60. m/0.32 mm/1. μm, 40. C @ 2. min, 3. K/min, 230. C @ 10. min
Capillary	5 % Phenyl methyl siloxane	569.	Estevez, Ventanas, et al., 2005	30. m/0.25 mm/1. μm, He, 40. C @ 10. min, 7. K/min, 250. C @ 5. min
Capillary	HP-5	565.	Insausti, Goñi, et al., 2005	50. m/0.32 mm/1.05 μm, He, 35. C @ 15. min, 8. K/min, 220. C @ 5. min
Capillary	Petrocol DH	559.4	Censullo, Jones, et al., 2003	50. m/0.25 mm/0.5 μm, He, 35. C @ 10. min, 3. K/min, 200. C @ 10. min
Capillary	SPB-1	552.89	LECO Corporation, 2003	30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 10. K/min, 250. C @ 2. min
Capillary	SPB-1	553.55	LECO Corporation, 2003	30. m/0.25 mm/0.25 μm, 40. C @ 2. min, 10. K/min, 250. C @ 2. min
Capillary	OV-101	562.0	Yin, Liu, et al., 2001	N2, 1. K/min; Column length: 80. m; Column diameter: 0.22 mm; T_start: 30. C; T_end: 130. C
Capillary	PONA	571.1	Martos, Saraullo, et al., 1997	50. m/0.2 mm/0.5 μm, 35. C @ 0.5 min, 1. K/min, 220. C @ 8. min
Capillary	PONA	576.8	Martos, Saraullo, et al., 1997	50. m/0.2 mm/0.5 μm, 35. C @ 0.5 min, 1. K/min, 220. C @ 8. min
Capillary	Petrocol DH	560.09	Subramaniam, Bochniak, et al., 1994	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C
Capillary	Petrocol DH	560.10	Subramaniam, Bochniak, et al., 1994	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C
Capillary	Ultra-1	567.	Olson, Sinkevitch, et al., 1992	4. K/min; T_start: -40. C; T_end: 230. C
Capillary	Petrocol DH	560.46	White, Douglas, et al., 1992	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C
Capillary	Petrocol DH	560.52	White, Douglas, et al., 1992	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C
Capillary	Petrocol DH	560.	White, Hackett, et al., 1992	100. m/0.25 mm/0.5 μm, He, 1. K/min; T_start: 30. C; T_end: 220. C
Capillary	HP-1	569.6	Bangjie, Xijian, et al., 1987	N2, 10. K/min; Column length: 25. m; Column diameter: 0.2 mm; T_start: 30. C
Capillary	HP-1	569.4	Bangjie, Xijian, et al., 1987	N2, 2. K/min; Column length: 25. m; Column diameter: 0.2 mm; T_start: 30. C
Capillary	HP-1	569.5	Bangjie, Xijian, et al., 1987	N2, 30. C @ 5. min, 5. K/min; Column length: 25. m; Column diameter: 0.2 mm
Capillary	OV-101	562.	Hayes and Pitzer, 1981	108. m/0.25 mm/0.2 μm, 1. K/min; T_start: 35. C; T_end: 200. C

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

View large format table.

Column type	Active phase	I	Reference	Comment
Packed	SE-30	560.	Peng, Ding, et al., 1988	Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min)
Capillary	OV-101	562.	Wu and Lu, 1984	Program: not specified

Normal alkane RI, non-polar column, isothermal

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Column type	Active phase	Temperature (C)	I	Reference	Comment
Capillary	OV-101	40.	569.	Li and Deng, 1998	N2; Column length: 51. m; Column diameter: 0.25 mm
Capillary	Methyl Silicone	50.	570.	N/A	N2; Column length: 74.6 m; Column diameter: 0.28 mm
Capillary	OV-101	50.	569.	Wu and Lu, 1984, 2
Capillary	OV-101	70.	569.	Wu and Lu, 1984, 2
Capillary	Squalane	100.	571.	Dimov N., 1976
Capillary	Squalane	70.	570.	Dimov N., 1976
Capillary	Squalane	86.	560.	Vigdergauz and Martynov, 1971	He; Column length: 150. m; Column diameter: 0.35 mm
Capillary	Apiezon L	40. to 190.	570.	Mann, Mühlstädt, et al., 1967	Column length: 2. m
Capillary	Squalane	70.	579.	Schomburg, 1966
Packed	Methyl Silicone	50.	568.	Huguet, 1961	Nitrogen, Celite C-22; Column length: 2.5 m

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	Polydimethyl siloxane: CP-Sil 5 CB	568.	Bramston-Cook, 2013	60. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min
Capillary	Petrocol DH	570.	Supelco, 2012	100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min
Capillary	VF-5 MS	555.	Leffingwell and Alford, 2011	60. m/0.32 mm/0.25 μm, Helium, 2. K/min, 260. C @ 28. min; T_start: 30. C
Capillary	VF-5 MS	559.	Leffingwell and Alford, 2011	60. m/0.32 mm/0.25 μm, Helium, 2. K/min, 260. C @ 28. min; T_start: 30. C
Capillary	PONA	561.	Zhang, Ding, et al., 2009	50. m/0.20 mm/0.50 μm, Nitrogen, 35. C @ 15. min, 2. K/min, 200. C @ 10. min
Capillary	OV-1	561.3	Krkosova, Kubinec, et al., 2007	100. m/0.32 mm/0.25 μm, Helium, 5. K/min, 310. C @ 5. min; T_start: 30. C
Capillary	5 % Phenyl methyl siloxane	556.	Ramirez R. and Cava R., 2007	30. m/0.25 mm/1. μm, He, 40. C @ 10. min, 7. K/min, 250. C @ 5. min
Capillary	5 % Phenyl methyl siloxane	560.	Ramirez R. and Cava R., 2007	30. m/0.25 mm/1. μm, He, 40. C @ 10. min, 7. K/min, 250. C @ 5. min
Capillary	HP-5	559.6	Leffingwell and Alford, 2005	60. m/0.32 mm/0.25 μm, He, 30. C @ 2. min, 2. K/min, 260. C @ 28. min
Capillary	5 % Phenyl methyl siloxane	573.	Ramírez, Estévez, et al., 2004	0. m/0.25 mm/1. μm, He, 40. C @ 10. min, 7. K/min, 250. C @ 5. min
Capillary	SE-54	574.	Bellesia, Pinetti, et al., 2001	25. m/0.20 mm/0.50 μm, He, 35. C @ 2. min, 5. K/min; T_end: 250. C
Capillary	BP-1	563.	Health Safety Executive, 2000	50. m/0.22 mm/0.75 μm, He, 5. K/min; T_start: 50. C; T_end: 200. C
Capillary	Methyl Silicone	559.97	Baraldi, Rapparini, et al., 1999	60. m/0.25 mm/0.25 μm, 40. C @ 10. min, 5. K/min; T_end: 220. C
Capillary	OV-101	571.	Orav, Kailas, et al., 1999	50. m/0.20 mm/0.50 μm, Helium, 30. C @ 6. min, 1. K/min; T_end: 100. C
Capillary	SE-54	562.	Guan, Li, et al., 1995	60. C @ 2. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; T_end: 200. C
Capillary	DB-1	564.	Ciccioli, Cecinato, et al., 1992	60. m/0.32 mm/1.2 μm, He, 30. C @ 10. min, 3. K/min; T_end: 240. C

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

View large format table.

Column type	Active phase	I	Reference	Comment
Capillary	HP-5	559.	Rotsatschakul, Visesanguan, et al., 2009	60. 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)
Capillary	Nonpolar	560.	Staples and Zeiger, 2008	Program: not specified
Capillary	Methyl Silicone	570.	Feng and Mu, 2007	Program: not specified
Capillary	Methyl Silicone	570.	Blunden, Aneja, et al., 2005	60. m/0.32 mm/1.0 μm, Helium; Program: -50 0C (2 min) 8 0C/min -> 200 0C (7.75 min) 25 0C -> 225 0C (8 min)
Capillary	HP-5	558.	Garcia-Estaban, Ansorena, et al., 2004	50. m/0.32 mm/1.05 μm; Program: 40C(10min) => 5C/min => 200C => 20C/min => 250C(5min)
Capillary	DB-5	558.	Garcia-Estaban, Ansorena, et al., 2004, 2	50. m/0.32 mm/1.05 μm; Program: 40C(10min) => 5C/min => 200C => 20C/min => 250C (5min)
Capillary	OV-101	570.	Du and Liang, 2003	Program: not specified
Capillary	Polydimethyl siloxane	570.	Junkes, Castanho, et al., 2003	Program: not specified
Capillary	PONA	573.	Perkin Elmer Instruments, 2002	Column length: 100. m; Phase thickness: 0.50 μm; Program: not specified
Capillary	Methyl Silicone	571.	N/A	Program: not specified
Capillary	Polydimethyl siloxanes	562.	Yin, Guo, et al., 2001	Program: not specified
Capillary	DB-1	570.	Zhu and Wang, 2001	Program: not specified
Capillary	Methyl Silicone	571.	Spieksma, 1999	Program: not specified
Capillary	SPB-1	566.	Flanagan, Streete, et al., 1997	60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C
Capillary	DB-5	559.	Mateo and Zumalacárregui, 1996	50. m/0.32 mm/0.25 μm, He; Program: 40C (10min) => 3C/min => 95C => 10C/min => 270C (10min)
Capillary	DB-5	560.	Mateo and Zumalacárregui, 1996	50. m/0.32 mm/0.25 μm, He; Program: 40C (10min) => 3C/min => 95C => 10C/min => 270C (10min)
Capillary	DB-1	560.	Ciccioli, Cecinato, et al., 1994	60. m/0.32 mm/0.25 μm; Program: not specified
Capillary	DB-1	560.	Ciccioli, Brancaleoni, et al., 1993	60. m/0.32 mm/0.25 μm; Program: 3 min at 5 C; 5 - 50 C at 3 deg/min; 50 - 220 C at 5 deg/min
Capillary	OV-101	568.	Skrbic and Cvejanov, 1993	Program: not specified
Capillary	SPB-1	566.	Strete, Ruprah, et al., 1992	60. m/0.53 mm/5.0 μm, Helium; Program: 40 0C (6 min) 5 0C/min -> 80 0C 10 0C/min -> 200 0C
Capillary	SPB-1	610.	Strete, Ruprah, et al., 1992	60. m/0.53 mm/5.0 μm, Helium; Program: not specified
Capillary	DB-1	556.	Takeoka, Flath, et al., 1988	30. m/0.25 mm/0.25 μm, H2; Program: 30C (2min) => 2C/min => 150C => 4C/min => 250C
Capillary	DB-1	560.	Takeoka, Flath, et al., 1988	30. m/0.25 mm/0.25 μm, H2; Program: 30C (2min) => 2C/min => 150C => 4C/min => 250C
Capillary	SE-52	566.	van Langenhove and Schamp, 1986	Column length: 100. m; Column diameter: 0.50 mm; Program: not specified
Capillary	Squalane	560.	Petrov, 1984	Program: not specified
Capillary	OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc.	562.	Waggott and Davies, 1984	Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified
Packed	Apieson L	560.	Kojima, Fujii, et al., 1980	Chromosorb W; Column length: 20. m; Program: not specified
Packed	SE-30	576.	Robinson and Odell, 1971	N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold)
Packed	Squalane	569.	Robinson and Odell, 1971	N2, Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min => 35 => 4C/min => 95C(hold)
Packed	SE-30	576.	Robinson and Odell, 1971, 2	Chrom W; Column length: 6.1 m; Program: 50C(10min) => 20C/min(2min) => 90C(6min) => 10C/min(6min) => (hold at 150C)
Packed	Squalane	569.	Robinson and Odell, 1971, 2	Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min(5min) => 4C/min(15min) => (hold at 95C)

References

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

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Notes

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

Symbols used in this document:

AE	Appearance energy
C_p,gas	Constant pressure heat capacity of gas
Δ_cH°_gas	Enthalpy of combustion of gas at standard conditions
Δ_fH°_gas	Enthalpy of formation of gas at standard conditions
Δ_rH°	Enthalpy of reaction at standard conditions

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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