2-Pentene, (Z)-

• Formula: C₅H₁₀
• Molecular weight: 70.1329
• IUPAC Standard InChI: InChI=1S/C5H10/c1-3-5-4-2/h3,5H,4H2,1-2H3/b5-3- Copy

  
• IUPAC Standard InChIKey: QMMOXUPEWRXHJS-HYXAFXHYSA-N Copy
• CAS Registry Number: 627-20-3
• 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:
  • 2-Pentene
  • 2-Pentene, (E)-
• Other names: (Z)-2-Pentene; cis-β-Amylene; cis-Pentene; cis-2-Pentene; 2-(Z)-C5H10; cis-Pentene-2; Pentene-2, cis-; (Z)-pent-2-ene
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Phase change data
  • Reaction thermochemistry data
  • Mass spectrum (electron ionization)
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Henry's Law data
  • Gas phase ion energetics data
  • IR Spectrum
• Data at other public NIST sites:
  • Gas Phase Kinetics Database
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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:
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Constant pressure heat capacity of gas

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
DH - Eugene S. Domalski and Elizabeth D. Hearing

Enthalpy of vaporization

Antoine Equation Parameters

log₁₀(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Enthalpy of fusion

Entropy 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: 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

=

By formula: C₅H₁₀ = C₅H₁₀

 +  =

By formula: H₂ + C₅H₁₀ = C₅H₁₂

=  + 

By formula: C₅H₁₁Cl = C₅H₁₀ + HCl

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

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

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

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Normal alkane RI, non-polar column, isothermal

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Normal alkane 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, Phase change data, Reaction thermochemistry data, 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.

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [all data]

Kilpatrick J.E., 1946
Kilpatrick J.E., Heats, equilibrium constants, and free energies of formation of the monoolefin hydrocarbons, J. Res. Nat. Bur. Stand, 1946, 36, 559-612. [all data]

Hoff, Greenlee, et al., 1951
Hoff, M.C.; Greenlee, K.W.; Boord, C.E., The Quantitavitve Inversion of cis- and trans-Alkene Isomers: A New Synthesis of Normal cis-Alkenes, J. Am. Chem. Soc., 1951, 73, 3329-36. [all data]

Streiff, Murphy, et al., 1946
Streiff, A.J.; Murphy, E.T.; Sedlak, V.A.; Willingham, C.B.; Rossini, F.D., Purification, Purity, and Freezing Points of 7 Heptanes, 16 Octanes, 6 Pentene, Cyclopentene, and 7 C9H12 Alkylbenzenes of the API-Standard and API-NBS Series, J. Res. Natl. Bur. Stand. (U. S.), 1946, 37, 331. [all data]

Chao, Hall, et al., 1983
Chao, J.; Hall, K.R.; Yao, J.M., Thermodynamic Properties of Simple Alkenes, Thermochim. Acta, 1983, 64, 285. [all data]

Todd, Oliver, et al., 1947
Todd, S.S.; Oliver, G.D.; Huffman, H.M., The heat capacities, heats of fusion and entropies of the six pentenes., J. Am. Chem. Soc., 1947, 69, 1519. [all data]

Tsonopoulos and Ambrose, 1996
Tsonopoulos, C.; Ambrose, D., Vapor-Liquid Critical Properties of Elements and Compounds. 6. Unsaturated Aliphatic Hydrocarbons, J. Chem. Eng. Data, 1996, 41, 645-656. [all data]

Reid, 1972
Reid, Robert C., Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00, AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637 . [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]

Scott and Waddington, 1950
Scott, Donald W.; Waddington, Guy, Vapor Pressure of cis-2-Pentene, trans-2-Pentene and 3-Methyl-1-butene, J. Am. Chem. Soc., 1950, 72, 9, 4310-4311, https://doi.org/10.1021/ja01165a542 . [all data]

Chao, Hall, et al., 1983, 2
Chao, J.; Hall, K.R.; Yao, J.M., Thermodynamic properties of simple alkenes, Thermochim. Acta, 1983, 64(3), 285-303. [all data]

Todd, Oliver, et al., 1947, 2
Todd, S.S.; Oliver, G.D.; Huffman, H.M., The heat capacities, heats of fusion and entropies of the six pentenes, J. Am. Chem. Soc., 1947, 69, 1519-1525. [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Kapteijn, Steen, et al., 1983
Kapteijn, F.; Steen, A.J.; Mol, J.C., Thermodynamics of the geometrical isomerization of 2-butene and 2-pentene, J. Chem. Thermodyn., 1983, 15, 137-146. [all data]

Egger and Benson, 1966
Egger, K.W.; Benson, S.W., Nitric oxide and iodine catalyzed isomerization of olefins. VI. Thermodynamic data from equilibrium studies of the geometrical and positional isomerization of n-pentenes, J. Am. Chem. Soc., 1966, 88, 236-240. [all data]

Karaseva and Andreevskii, 1969
Karaseva, S.Ya.; Andreevskii, D.N., Equilibrium in the isomerisation of secondary monochloropentanes and the dehydrochlorination of 2-chloropentane, Russ. J. Phys. Chem. (Engl. Transl.), 1969, 43, 1236-1238. [all data]

Soják, Addová, et al., 2002
Soják, L.; Addová, G.; Kubinec, R.; Kraus, A.; Hu, G., Gas chromatographic-mass spectrometric characterization of all acyclic C₅-C₇ alkenes from fluid catalytic cracked gasoline using polydimethylsiloxane and squalane stationary phases, J. Chromatogr. A, 2002, 947, 1, 103-117, https://doi.org/10.1016/S0021-9673(01)01564-3 . [all data]

Heinzen, Soares, et al., 1999
Heinzen, V.E.F.; Soares, M.F.; Yunes, R.A., Semi-empirical topological method for the prediction of the chromatographic retention of cis- and trans-alkene isomers and alkanes, J. Chromatogr. A, 1999, 849, 2, 495-506, https://doi.org/10.1016/S0021-9673(99)00530-0 . [all data]

Hilal, Carreira, et al., 1994
Hilal, S.H.; Carreira, L.A.; Karickhoff, S.W.; Melton, C.M., Estimation of Gas-Liquid Chromatographic Retention Times from Molecular Structure, J. Chromatogr. A, 1994, 662, 2, 269-280, https://doi.org/10.1016/0021-9673(94)80515-6 . [all data]

Laub and Purnell, 1988
Laub, R.J.; Purnell, J.H., Specific retention volumes, retention indices, and family-plot regressions of aliphatic, alicyclic, and aromatic hydrocarbon solutes with OV-101 poly (dimethylsiloxane) stationary phase, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1988, 11, 9, 649-660, https://doi.org/10.1002/jhrc.1240110908 . [all data]

Papazova, Milina, et al., 1988
Papazova, D.; Milina, R.; Dimov, N., Comparative evaluation of retention of hydrocarbons present in the C₅-petroleum fraction of methylsilicone and squalane phases, Chromatographia, 1988, 25, 3, 177-180, https://doi.org/10.1007/BF02316441 . [all data]

Boneva and Dimov, 1986
Boneva, S.; Dimov, N., Gas Chromatographic Retention Indices for Alkenes on OV-101 and Squalane Capillary Columns, Chromatographia, 1986, 21, 3, 149-151, https://doi.org/10.1007/BF02311743 . [all data]

Lubeck and Sutton, 1984
Lubeck, A.J.; Sutton, D.L., Kovats Retention Indices of Selected Olefins on Bonded Phase Fused Silica Capillaries, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1984, 7, 9, 542-544, https://doi.org/10.1002/jhrc.1240070913 . [all data]

Chien, Furio, et al., 1983
Chien, C.-F.; Furio, D.L.; Kopecni, M.M.; Laub, R.J., Specific Retention Volumes and Retention Indices of Selected Hydrocarbon Solutes with OV-101 and SP-2100 Polydimethylsiloxane Solvents, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1983, 6, 10, 577-580, https://doi.org/10.1002/jhrc.1240061013 . [all data]

Chien, Furio, et al., 1983, 2
Chien, C.-F.; Furio, D.L.; Kopecni, M.M.; Laub, R.J., Specific retention volumes and retention indices of selected hydrocarbon solutes with OV-3, OV-7, OV-11, OV-17, OV-22, and OV-25 polymethylphenylsiloxane solvents, J. Hi. Res. Chromatogr., 1983, 6, 12, 669-679, https://doi.org/10.1002/jhrc.1240061207 . [all data]

Anders, Scheller, et al., 1982
Anders, G.; Scheller, M.; Schuhler, C.; Struppe, H.G., Zur Vorausberechnung von Bruttoretentioszeiten bei temperaturprogramierter Gaschromatographie mit Hilfe isotherm bestimmter Retentionsindices und einer Anpassung an experimentelle Retentionszeiten, Chromatographia, 1982, 15, 1, 43-47, https://doi.org/10.1007/BF02269039 . [all data]

Chien, Kopecni, et al., 1981
Chien, C.-F.; Kopecni, M.M.; Laub, R.J., Specific Retention Volumes and Retention Indices of Selected Hydrocarbon Solutes with OV-1 and SE-30 Polydimethylsiloxane Solvents, J. Hi. Res. Chromatogr. Chromatogr. Comm., 1981, 4, 10, 539-543, https://doi.org/10.1002/jhrc.1240041017 . [all data]

Nijs and Jacobs, 1981
Nijs, H.H.; Jacobs, P.A., On-Line Single Run Analysis of Effluents from a Fischer-Tropsch Reactor, J. Chromatogr. Sci., 1981, 19, 1, 40-45, https://doi.org/10.1093/chromsci/19.1.40 . [all data]

Bajus, Veselý, et al., 1979
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A., Steam cracking of hydrocarbons. 2. Pyrolysis of methylcyclohexane, Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 2, 135-142, https://doi.org/10.1021/i360070a012 . [all data]

Bajus, Veselý, et al., 1979, 2
Bajus, M.; Veselý, V.; Leclercq, P.A.; Rijks, J.A., Steam cracking of hydrocarbons. 1. Pyrolysis of heptane, Ind. Eng. Chem. Prod. Res. Dev., 1979, 18, 1, 30-37, https://doi.org/10.1021/i360069a007 . [all data]

Chrétien and Dubois, 1977
Chrétien, J.R.; Dubois, J.E., Topological analysis of gas-liquid chromatographic behavior of alkenes, Anal. Chem., 1977, 49, 6, 747-756, https://doi.org/10.1021/ac50014a021 . [all data]

Chretien and Dubois, 1976
Chretien, J.R.; Dubois, J.-E., New Perspectives in the Prediction of Kovats Indices, J. Chromatogr., 1976, 126, 171-189, https://doi.org/10.1016/S0021-9673(01)84071-1 . [all data]

Lulova, Leont'eva, et al., 1976
Lulova, N.I.; Leont'eva, S.A.; Timofeeva, A.N., Gas-chromatographic method of determination of individual hydrocarbons in catalytic cracking gasolines in Proceedings of All-Union Research Institute on Oil Processes. Vol.18, All-Union Research Institute on Oil Processes, Moscow, 1976, 30-53. [all data]

Rijks and Cramers, 1974
Rijks, J.A.; Cramers, C.A., High precision capillary gas chromatography of hydrocarbons, Chromatographia, 1974, 7, 3, 99-106, https://doi.org/10.1007/BF02269819 . [all data]

Schomburg and Dielmann, 1973
Schomburg, G.; Dielmann, G., Identification by means of retention parameters, J. Chromatogr. Sci., 1973, 11, 3, 151-159, https://doi.org/10.1093/chromsci/11.3.151 . [all data]

Matukuma, 1969
Matukuma, A., Retention indices of alkanes through C₁₀ and alkenes through C₈ and relation between boiling points and retention data, Gas Chromatogr., Int. Symp. Anal. Instrum. Div Instrum Soc. Amer., 1969, 7, 55-75. [all data]

Hively and Hinton, 1968
Hively, R.A.; Hinton, R.E., Variation of the retention index with temperature on squalane substrates, J. Gas Chromatogr., 1968, 6, 4, 203-217, https://doi.org/10.1093/chromsci/6.4.203 . [all data]

Schomburg, 1967
Schomburg, G., Struktur und Retentionsverhalten von Offenkettigen und Cyclischen Kohlenwasserstoffen und Deren Einfacher Substitutionsprodukte, Anal. Chim. Acta., 1967, 38, 45-64, https://doi.org/10.1016/S0003-2670(01)80560-2 . [all data]

Zulaïca and Guiochon, 1966
Zulaïca, J.; Guiochon, G., Analyse des hauts polymères par chromatographie en phase gazeuse de leurs produits de pyrolyse. II. Application à quelques hydrocarbures macromoléculaires purs, Bull. Soc. Chim. Fr., 1966, 4, 1351-1363. [all data]

Haagen-Smit Laboratory, 1997
Haagen-Smit Laboratory, Procedure for the detailed hydrocarbon analysis of gasolines by single column high efficiency (capillary) column gas chromatography, SOP NO. MLD 118, Revision No. 1.1, California Environmental Protection Agency, Air Resources Board, El Monte, California, 1997, 22. [all data]

Hoekman, 1993
Hoekman, S.K., Improved gas chromatography procedure for speciated hydrocarbon measurements of vehicle emissions, J. Chromatogr., 1993, 639, 2, 239-253, https://doi.org/10.1016/0021-9673(93)80260-F . [all data]

Olson, Sinkevitch, et al., 1992
Olson, K.L.; Sinkevitch, R.M.; Sloane, T.M., Speciation and Quantitation of Hydrocarbons in Gasoline Engine Exhaust, J. Chromatogr. Sci., 1992, 30, 12, 500-508, https://doi.org/10.1093/chromsci/30.12.500 . [all data]

White, Douglas, et al., 1992
White, C.M.; Douglas, L.J.; Hackett, J.P.; Anderson, R.R., Characterization of synthetic gasoline from the chloromethane-zeolite reaction, Energy Fuels, 1992, 6, 1, 76-82, https://doi.org/10.1021/ef00031a012 . [all data]

White, Hackett, et al., 1992
White, C.M.; Hackett, J.; Anderson, R.R.; Kail, S.; Spock, P.S., Linear temperature programmed retention indices of gasoline range hydrocarbons and chlorinated hydrocarbons on cross-linked polydimethylsiloxane, J. Hi. Res. Chromatogr., 1992, 15, 2, 105-120, https://doi.org/10.1002/jhrc.1240150211 . [all data]

Zaikin and Borisov, 2002
Zaikin, V.G.; Borisov, R.S., Chromatographic-mass spectrometric analysis of Fishcer-Tropsch synthesis products, J. Anal. Chem. USSR (Engl. Transl.), 2002, 57, 6, 544-551. [all data]

Sojak, Addova, et al., 2000
Sojak, L.; Addova, G.; Kubinec, R.; Ruman, J.; Hu, G., GC-MS characterization of all acyclic C5-C7 alkenes from FCC gasoline using squalane stationary phase, Petroleum and Coal, 2000, 42, 3-4, 188-194. [all data]

Huguet, 1961
Huguet, M., Kovats retention indices in the qualitative analysis of light hydrocarbons by gas chromatography, Journees internationales d'etude des methodes de separation immediate et de chromatographie, 1961, 69. [all data]

Bramston-Cook, 2013
Bramston-Cook, R., Kovats indices for C2-C13 hydrocarbons and selected oxygenated/halocarbons with 100 % dimethylpolysiloxane columns, 2013, retrieved from http://lotusinstruments.com/monographs/List .... [all data]

Supelco, 2012
Supelco, CatalogNo. 24160-U, Petrocol DH Columns. Catalog No. 24160-U, 2012, retrieved from http://www.sigmaaldrich.com/etc/medialib/docs/Supelco/Datasheet/1/w97949.Par.0001.File.tmp/w97949.pdf. [all data]

Zhang, Ding, et al., 2009
Zhang, X.; Ding, L.; Sun, Z.; Song, L.; Sun, T., Study on quantitative structure-retention relationships for hydrocarbons in FCC gasoline, Chromatographia, 2009, 70, 3/4, 511-518, https://doi.org/10.1365/s10337-009-1174-0 . [all data]

Guan, Li, et al., 1995
Guan, Y.; Li, L.; Zhou, L., Live retention database for compound identification in capillary gas chromatography, Chin. J. Chromatogr., 1995, 13, 5, 851-857. [all data]

Ramnas, Ostermark, et al., 1994
Ramnas, O.; Ostermark, U.; Peterson, G., Characterization of sixty alkenes in a cat-cracked gasoline naphtha by gas chromatography, Chromatographia, 1994, 38, 3/4, 222-226, https://doi.org/10.1007/BF02290340 . [all data]

Ciccioli, Cecinato, et al., 1992
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Frattoni, M.; Liberti, A., Use of carbon adsorption traps combined with high resolution gas chromatography - mass spectrometry for the analysis of polar and non-polar C₄-C₁₄ hydrocarbons involved in photochemical smog formation, J. Hi. Res. Chromatogr., 1992, 15, 2, 75-84, https://doi.org/10.1002/jhrc.1240150205 . [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]

Perkin Elmer Instruments, 2002
Perkin Elmer Instruments, Detailed hydrocarbon analysis (DHAX) Model 4015, 2002, retrieved from http://www.perkinelmer.com/instruments. [all data]

Zhu and Wang, 2001
Zhu, X.; Wang, W., The relationship between partition coefficients of hydrocarbons and their retention indices, Acta Scientific Circumstantiae, 2001, 21, 5, 631-633. [all data]

Tirillini, Verdelli, et al., 2000
Tirillini, B.; Verdelli, G.; Paolocci, F.; Ciccioli, P.; Frattoni, M., The volatile organic compounds from the mycelium of Tuber borchii Vitt., Phytochemistry, 2000, 55, 8, 983-985, https://doi.org/10.1016/S0031-9422(00)00308-3 . [all data]

Spieksma, 1999
Spieksma, W., Determination of vapor liquid equilibrium from the Kovats retention index on dimethylsilicone using the Wilson mixing tool, J. Hi. Res. Chromatogr., 1999, 22, 10, 565-588, https://doi.org/10.1002/(SICI)1521-4168(19991001)22:10<565::AID-JHRC565>3.0.CO;2-2 . [all data]

Zhu and He, 1999
Zhu, X.; He, L., Derivation of isothermal retention indices from a retention values under multiple-ramp temperature-programmed conditions, J. Instrum. Anal. (Chinese), 1999, 18, 6, 10-12. [all data]

Zenkevich, 1996
Zenkevich, I.G., Informational Maitenance of Gas Chromatographic Identification of Organic Compounds in Ecoanalytical Investigations, Z. Anal. Chem., 1996, 51, 11, 1140-1148. [all data]

Ciccioli, Cecinato, et al., 1994
Ciccioli, P.; Cecinato, A.; Brancaleoni, E.; Brachetti, A.; Frattoni, M.; Sparapani, R., Composition and Distribution of Polar and Non-Polar VOCs in Urban, Rural, Forest and Remote Areas, Eur Commission EUR, 1994, 549-568. [all data]

Robinson and Odell, 1971
Robinson, P.G.; Odell, A.L., A system of standard retention indices and its uses. The characterisation of stationary phases and the prediction of retention indices, J. Chromatogr., 1971, 57, 1-10, https://doi.org/10.1016/0021-9673(71)80001-8 . [all data]

Notes

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

• Symbols used in this document:
  

  Cp,gas	Constant pressure heat capacity of gas
  Pc	Critical pressure
  Tboil	Boiling point
  Tc	Critical temperature
  Tfus	Fusion (melting) point
  Ttriple	Triple point temperature
  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  ΔfusH	Enthalpy of fusion
  ΔfusS	Entropy of fusion
  ΔrH°	Enthalpy of reaction at standard conditions
  ΔvapH	Enthalpy of vaporization
  ΔvapH°	Enthalpy of vaporization at standard conditions

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