1,4-Cyclohexadiene
- Formula: C6H8
- Molecular weight: 80.1277
- IUPAC Standard InChI: InChI=1S/C6H8/c1-2-4-6-5-3-1/h1-2,5-6H,3-4H2
- IUPAC Standard InChIKey: UVJHQYIOXKWHFD-UHFFFAOYSA-N
- CAS Registry Number: 628-41-1
- 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: 1,4-Dihydrobenzene; Cyclohexa-1,4-diene
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Data at other public NIST sites:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Gas phase thermochemistry data
Go To: Top, IR Spectrum, 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:
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 |
|---|---|---|---|---|---|
| ΔfH°gas | 100.4 ± 3.1 | kJ/mol | Ccb | Luk'yanova, Timofeeva, et al., 1991 | ALS |
| ΔfH°gas | 109. | kJ/mol | Chyd | Roth, Adamczak, et al., 1991 | ALS |
| ΔfH°gas | 104.75 ± 0.59 | kJ/mol | Ccr | Steele, Chirico, et al., 1989 | ALS |
Constant pressure heat capacity of gas
| Cp,gas (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 37.22 | 50. | Dorofeeva O.V., 1986 | GT |
| 42.62 | 100. | ||
| 51.15 | 150. | ||
| 63.25 | 200. | ||
| 85.70 | 273.15 | ||
| 94.1 ± 3.0 | 298.15 | ||
| 94.68 | 300. | ||
| 127.75 | 400. | ||
| 156.82 | 500. | ||
| 180.97 | 600. | ||
| 200.94 | 700. | ||
| 217.63 | 800. | ||
| 231.71 | 900. | ||
| 243.67 | 1000. | ||
| 253.87 | 1100. | ||
| 262.61 | 1200. | ||
| 270.11 | 1300. | ||
| 276.58 | 1400. | ||
| 282.18 | 1500. |
IR Spectrum
Go To: Top, Gas phase thermochemistry data, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
- LIQUID; Not specified, most likely a grating spectrometer.; DIGITIZED BY NIST FROM HARD COPY; 4 cm-1 resolution
- LIQUID; Not specified, most likely a prism, grating, or hybrid spectrometer.; DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm-1 resolution
- LIQUID (NEAT); CARY 90 (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY; 2 cm-1 resolution
- SOLUTION (10% CCl4 FOR 4000-1200, 10% CS2 FOR 1200-450) VS SOLVENT; CARY 90 (GRATING); DIGITIZED BY COBLENTZ SOCIETY (BATCH I) FROM HARD COPY
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Chromatography
Go To: Top, Gas phase thermochemistry data, IR Spectrum, 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 |
|---|---|---|---|---|---|
| Packed | C78, Branched paraffin | 130. | 725.3 | Dallos, Sisak, et al., 2000 | He; Column length: 3.3 m |
| Packed | C78, Branched paraffin | 130. | 724.9 | Reddy, Dutoit, et al., 1992 | Chromosorb G HP; Column length: 3.3 m |
| Capillary | OV-1 | 100. | 709.2 | Engewald, Billing, et al., 1987 | Column length: 50. m; Column diameter: 0.3 mm |
| Capillary | SE-30 | 130. | 718. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
| Capillary | SE-30 | 80. | 706. | Bredael, 1982 | Column length: 100. m; Column diameter: 0.5 mm |
| Capillary | Apiezon L | 100. | 729. | Morishita, Okano, et al., 1980 | Column length: 45. m; Column diameter: 0.25 mm |
| Packed | Squalane | 27. | 685. | Bogoslovsky, Anvaer, et al., 1978 | |
| Packed | Squalane | 49. | 690. | Bogoslovsky, Anvaer, et al., 1978 | |
| Packed | Squalane | 67. | 694. | Bogoslovsky, Anvaer, et al., 1978 | |
| Packed | Squalane | 70. | 694. | Bogoslovsky, Anvaer, et al., 1978 | |
| Packed | Squalane | 86. | 698. | Bogoslovsky, Anvaer, et al., 1978 | |
| Capillary | Squalane | 42.5 | 687. | Engewald, Epsch, et al., 1974 | N2; Column length: 100. m; Column diameter: 0.23 mm |
| Capillary | Squalane | 70. | 694. | Engewald, Epsch, et al., 1974 | N2; Column length: 100. m; Column diameter: 0.23 mm |
| Packed | SE-30 | 75. | 700. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m |
| Packed | Squalane | 100. | 700. | Robinson and Odell, 1971 | N2, Embacel; Column length: 3.0 m |
| Packed | Squalane | 27. | 685. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
| Packed | Squalane | 49. | 690. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
| Packed | Squalane | 67. | 694. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
| Packed | Squalane | 86. | 698. | Hively and Hinton, 1968 | He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm |
| Capillary | Squalane | 70. | 694. | Schomburg, 1966 |
Kovats' RI, polar column, isothermal
| Column type | Active phase | Temperature (C) | I | Reference | Comment |
|---|---|---|---|---|---|
| Capillary | PEG-20M | 100. | 932. | Morishita, Okano, et al., 1980 | Column length: 75. m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | CP-Sil 8CB-MS | 707. | Elmore, Cooper, et al., 2005 | 0. m/0.25 mm/0.25 μm, He, 40. C @ 2. min, 4. K/min, 280. C @ 5. min |
| Capillary | Petrocol DH | 696. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
| Packed | SE-30 | 713. | Buchman, Cao, et al., 1984 | He, Chromosorb AW, 40. C @ 10. min, 10. K/min, 210. C @ 30. min; Column length: 3.05 m |
| Packed | SE-30 | 713. | Buchman, Cao, et al., 1984 | He, Chromosorb AW, 40. C @ 10. min, 10. K/min, 210. C @ 30. min; Column length: 3.05 m |
Van Den Dool and Kratz RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | SE-30 | 713. | Peng, Ding, et al., 1988 | Supelcoport; Chromosorb; Column length: 3.05 m; Program: 40C(5min) => 10C/min => 200C or 250C (60min) |
Van Den Dool and Kratz RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Packed | Carbowax 20M | 939. | Buchman, Cao, et al., 1984 | He, Supelcoport, 40. C @ 10. min, 10. K/min, 210. C @ 30. min; Column length: 3.05 m |
| Packed | Carbowax 20M | 939. | Buchman, Cao, et al., 1984 | He, Supelcoport, 40. C @ 10. min, 10. K/min, 210. C @ 30. min; Column length: 3.05 m |
Normal alkane RI, non-polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | OV-1 | 738. | Orav, Kailas, et al., 1999 | 2. K/min; Tstart: 50. C; Tend: 160. C |
Normal alkane RI, non-polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | Squalane | 706. | Chen, 2008 | Program: not specified |
| Capillary | OV-1, SE-30, Methyl silicone, SP-2100, OV-101, DB-1, etc. | 713. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
| Packed | SE-30 | 708. | Robinson and Odell, 1971 | N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold) |
| Packed | SE-30 | 708. | 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 | 692. | Robinson and Odell, 1971, 2 | Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min(5min) => 4C/min(15min) => (hold at 95C) |
Normal alkane RI, polar column, custom temperature program
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 914. | Peng, Yang, et al., 1991 | Program: not specified |
| Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 939. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
References
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Luk'yanova, Timofeeva, et al., 1991
Luk'yanova, V.A.; Timofeeva, L.P.; Kozina, M.P.; Kirin, V.N.; Tarakanova, A.V.,
Enthalpies of formation of certain unsaturated cyclic hydrocarbons,
Russ. J. Phys. Chem. (Engl. Transl.), 1991, 65, 439-441. [all data]
Roth, Adamczak, et al., 1991
Roth, W.R.; Adamczak, O.; Breuckmann, R.; Lennartz, H.-W.; Boese, R.,
Die Berechnung von Resonanzenergien; das MM2ERW-Kraftfeld,
Chem. Ber., 1991, 124, 2499-2521. [all data]
Steele, Chirico, et al., 1989
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K.,
Determination of some pure compound ideal-gas enthalpies of formation,
AIChE Symp. Ser., 1989, 85, 140-162. [all data]
Dorofeeva O.V., 1986
Dorofeeva O.V.,
Thermodynamic properties of twenty-one monocyclic hydrocarbons,
J. Phys. Chem. Ref. Data, 1986, 15, 437-464. [all data]
Dallos, Sisak, et al., 2000
Dallos, A.; Sisak, A.; Kulcsár, Z.; Kováts, E.,
Pair-wise interactions by gas chromatography VII. Interaction free enthalpies of solutes with secondary alcohol groups,
J. Chromatogr. A, 2000, 904, 2, 211-242, https://doi.org/10.1016/S0021-9673(00)00908-0
. [all data]
Reddy, Dutoit, et al., 1992
Reddy, K.S.; Dutoit, J.-Cl.; Kovats, E. sz.,
Pair-wise interactions by gas chromatography. I. Interaction free enthalpies of solutes with non-associated primary alcohol groups,
J. Chromatogr., 1992, 609, 1-2, 229-259, https://doi.org/10.1016/0021-9673(92)80167-S
. [all data]
Engewald, Billing, et al., 1987
Engewald, W.; Billing, U.; Welsch, T.; Haufe, G.,
Structure-retention correlations of hydrocarbons in gas-liquid and gas-solid chromatography. Cycloalkenes and cycloalkadienes,
Chromatographia, 1987, 23, 8, 590-594, https://doi.org/10.1007/BF02324870
. [all data]
Bredael, 1982
Bredael, P.,
Retention indices of hydrocarbons on SE-30,
J. Hi. Res. Chromatogr. Chromatogr. Comm., 1982, 5, 6, 325-328, https://doi.org/10.1002/jhrc.1240050610
. [all data]
Morishita, Okano, et al., 1980
Morishita, F.; Okano, T.; Kojima, T.,
Retention indices of monocyclic monoterpene hydrocarbons,
Bunseki Kagaku, 1980, 29, 1, 48-53, https://doi.org/10.2116/bunsekikagaku.29.48
. [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]
Engewald, Epsch, et al., 1974
Engewald, W.; Epsch, K.; Graefe, J.; Welsch, Th.,
Molekülstruktur und retentionsverhalten. II. Retentionsverhalten cycloaliphatischer kohlenwasser-stoffe bei der gas-adsorptions- und gas-verteilungschromatographie,
J. Chromatogr., 1974, 91, 623-631, https://doi.org/10.1016/S0021-9673(01)97943-9
. [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]
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, 1966
Schomburg, G.,
Gaschromatographische Retentionsdaten und struktur chemischer verbindungen. III. Alkylverzweigte und ungesättigte cyclische Kohlenwasserstoffe,
J. Chromatogr., 1966, 23, 18-41, https://doi.org/10.1016/S0021-9673(01)98653-4
. [all data]
Elmore, Cooper, et al., 2005
Elmore, J.S.; Cooper, S.L.; Enser, M.; Mottram, D.S.; Sinclair, L.A.; Wilkinson, R.G.; Wood, J.D.,
Dietary manipulation of fatty acid composition in lamb meat and its effect on the volatile aroma compounds of grilled lamb,
Meat Sci., 2005, 69, 2, 233-242, https://doi.org/10.1016/j.meatsci.2004.07.002
. [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]
Buchman, Cao, et al., 1984
Buchman, O.; Cao, G.-Y.; Peng, C.T.,
Structure assignment by retention index in gas-liquid radiochromatography of substituted cyclohexenes,
J. Chromatogr., 1984, 312, 75-90, https://doi.org/10.1016/S0021-9673(01)92765-7
. [all data]
Peng, Ding, et al., 1988
Peng, C.T.; Ding, S.F.; Hua, R.L.; Yang, Z.C.,
Prediction of Retention Indexes I. Structure-Retention Index Relationship on Apolar Columns,
J. Chromatogr., 1988, 436, 137-172, https://doi.org/10.1016/S0021-9673(00)94575-8
. [all data]
Orav, Kailas, et al., 1999
Orav, A.; Kailas, T.; Muurisepp, M.; Kann, J.,
Composition of the oil from waste tires. 2. Fraction boiling at 160-180 0C,
Proc. Estonian Acad. Sci. Chem., 1999, 48, 3, 136-140. [all data]
Chen, 2008
Chen, H.-F.,
Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression,
Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003
. [all data]
Waggott and Davies, 1984
Waggott, A.; Davies, I.W.,
Identification of organic pollutants using linear temperature programmed retention indices (LTPRIs) - Part II, 1984, retrieved from http://dwi.defra.gov.uk/research/completed-research/reports/dwi0383.pdf. [all data]
Robinson and Odell, 1971, 2
Robinson, P.G.; Odell, A.L.,
Comparison of isothermal and non-linear temperature programmed gas chromatography. The temperature dependence of the retention indices of a number of hydrocarbons on squalane and SE-30,
J. Chromatogr., 1971, 57, 11-17, https://doi.org/10.1016/0021-9673(71)80002-X
. [all data]
Peng, Yang, et al., 1991
Peng, C.T.; Yang, Z.C.; Ding, S.F.,
Prediction of rentention idexes. II. Structure-retention index relationship on polar columns,
J. Chromatogr., 1991, 586, 1, 85-112, https://doi.org/10.1016/0021-9673(91)80028-F
. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, IR Spectrum, Gas Chromatography, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.