Benzene, 1,4-dichloro-

• Formula: C₆H₄Cl₂
• Molecular weight: 147.002
• IUPAC Standard InChI: InChI=1S/C6H4Cl2/c7-5-1-2-6(8)4-3-5/h1-4H Copy

  
• IUPAC Standard InChIKey: OCJBOOLMMGQPQU-UHFFFAOYSA-N Copy
• CAS Registry Number: 106-46-7
• 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.
• Isotopologues:
  • 1,4-Dichlorobenzene-D4
• Other names: Benzene, p-dichloro-; p-Chlorophenyl chloride; p-Dichlorobenzene; Di-chloricide; Evola; Paradi; Paradow; Paramoth; Persia-Perazol; PDB; Santochlor; 1,4-Dichlorobenzene; p-Dichlorobenzol; Paradichlorobenzol; para-Dichlorobenzene; p-Dichloorbenzeen; p-Dichlorbenzol; p-Diclorobenzene; Dichlorobenzene; Dichlorobenzene, p-; NCI-C54955; para crystals; Paracide; Paranuggets; Parazene; 1,4-Dichloorbenzeen; 1,4-Dichlor-benzol; 1,4-Diclorobenzene; Dichlorobenzene, para; Globol; Paradichlorbenzol; Rcra waste number U070; Rcra waste number U071; Rcra waste number U072; UN 1592; Dichlorocide; Kaydox; p-Dichlorbenzene; NSC 36935; 1,4-chlorobenzene
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase thermochemistry data
  • Reaction thermochemistry data
  • IR Spectrum
  • Gas Chromatography
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Phase change data
  • Henry's Law data
  • Gas phase ion energetics data
  • Mass spectrum (electron ionization)
• 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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 as indicated in comments:
B - John E. Bartmess
ALS - 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

C₆H₃Cl₂^- +  =

By formula: C₆H₃Cl₂^- + H⁺ = C₆H₄Cl₂

=

By formula: C₆H₄Cl₂ = C₆H₄Cl₂

=

By formula: C₆H₄Cl₂ = C₆H₄Cl₂

IR Spectrum

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Data compiled by: Coblentz Society, Inc.

• SOLUTION (10% IN CCl4 FOR 3800-1300, 10% IN CS2 FOR 1300-650, AND 5% IN CCl4 FOR 650-360 CM^-1) VERSUS SOLVENT; PERKIN-ELMER 521 (GRATING); DIGITIZED BY NIST FROM HARD COPY (FROM TWO SEGMENTS); 4 cm^-1 resolution

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

• gas

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, temperature ramp

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

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Kovats' RI, polar column, isothermal

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

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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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Normal alkane RI, polar column, custom temperature program

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Lee's RI, non-polar column, temperature ramp

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Lee's RI, non-polar column, custom temperature program

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References

Go To: Top, Gas phase thermochemistry data, Reaction 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.

Platonov and Simulin, 1984
Platonov, V.A.; Simulin, Yu.N., Experimental determination of the standard enthalpies of formation of polychlorobenzenes. II. Standard enthalpies of formation of dichlorobenzenes, Russ. J. Phys. Chem. (Engl. Transl.), 1984, 58, 1630-1632. [all data]

Schlosser, Marzi, et al., 2001
Schlosser, M.; Marzi, E.; Cottet, F.; Buker, H.H.; Nibbering, N.M.M., The acidity of chloro-substituted benzenes: A comparison of gas phase, ab initio, and kinetic data, Chem. Eur. J., 2001, 7, 16, 3511-3516, https://doi.org/10.1002/1521-3765(20010817)7:16<3511::AID-CHEM3511>3.0.CO;2-U . [all data]

Godnev and Sverdlin, 1961
Godnev, I.N.; Sverdlin, A.S., Equilibrium and dichlorobenzene isomer (Corrections), Russ. J. Phys. Chem. (Engl. Transl.), 1961, 35, 231-232. [all data]

Harangi, 2003
Harangi, J., Short communication. Retention index calculation without n-alkanes -- the virtual carbon number, J. Chromatogr. A, 2003, 993, 1-2, 187-195, https://doi.org/10.1016/S0021-9673(03)00320-0 . [all data]

Santiuste, Harangi, et al., 2003
Santiuste, J.M.; Harangi, J.; Takács, J.M., Mosaic increments for predicting the gas chromatographic retention data of the chlorobenzenes, J. Chromatogr. A, 2003, 1002, 1-2, 155-168, https://doi.org/10.1016/S0021-9673(03)00736-2 . [all data]

Santiuste J.M. and Takacs J.M., 2003
Santiuste J.M.; Takacs J.M., Relationships between retention data of benzene and chlorobenzenes with their physico-chemical properties and topological indices, Chromatographia, 2003, 58, 87-96. [all data]

Vezzani, Bertocchi, et al., 1998
Vezzani, S.; Bertocchi, A.; Moretti, P.; Castello, G., Prediction of the gas chromatographic retention values of chlorobenzenes on different station phases by using structure-retention correlations, J. Chromatogr. A, 1998, 803, 1-2, 211-218, https://doi.org/10.1016/S0021-9673(97)01281-8 . [all data]

Spieksma, Luijk, et al., 1994
Spieksma, Walter; Luijk, Ronald; Govers, Harrie A.J., Determination of the liquid vapour pressure of low-volatility compounds from the Kováts retention index, Journal of Chromatography A, 1994, 672, 1-2, 141-148, https://doi.org/10.1016/0021-9673(94)80602-0 . [all data]

Evans and Haken, 1989
Evans, M.B.; Haken, J.K., Dispersion and selectivity indices in gas chromatography. IV. Chlorinated aromatic compounds, J. Chromatogr., 1989, 468, 373-382, https://doi.org/10.1016/S0021-9673(00)96332-5 . [all data]

Tarjan, Nyiredy, et al., 1989
Tarjan, G.; Nyiredy, Sz.; Gyor, M.; Lombosi, E.R.; Lombosi, T.S.; Budahegyi, M.V.; Meszaros, S.Y.; Takacs, J.M., Review. Thirtieth Anniversary of the Retention Index According to Kovats in Gas-Liquid Chromatography, J. Chromatogr., 1989, 472, 1-92, https://doi.org/10.1016/S0021-9673(00)94099-8 . [all data]

Haken and Korhonene, 1983
Haken, J.K.; Korhonene, I.O.O., Retention increments of isomeric chlorobenzenes, J. Chromatogr., 1983, 265, 323-327, https://doi.org/10.1016/S0021-9673(01)96727-5 . [all data]

Ramarathnam, Rubin, et al., 1993
Ramarathnam, N.; Rubin, L.J.; Diosady, L.L., Studies on meat flavor. 4. Fractionation, characterization, and quantitation of volatiles from uncured and cured beef and chicken, J. Agric. Food Chem., 1993, 41, 6, 939-945, https://doi.org/10.1021/jf00030a020 . [all data]

Ramsey, Lee, et al., 1980
Ramsey, J.D.; Lee, T.D.; Osselton, M.D.; Moffat, A.C., Gas-liquid chromatographic retention indices of 296 non-drug substances on SE-30 or OV-1 likely to be encountered in toxicological analyses, J. Chromatogr., 1980, 184, 2, 185-206, https://doi.org/10.1016/S0021-9673(00)85641-1 . [all data]

Pérez-Parajón, Santiuste, et al., 2004
Pérez-Parajón, J.M.; Santiuste, J.M.; Takács, J.M., Sensitivity of the methylbenzenes and chlorobenzenes retention index to column temperature, stationary phase polarity, and number and chemical nature of substituents, J. Chromatogr. A, 2004, 1048, 2, 223-232, https://doi.org/10.1016/j.chroma.2004.07.028 . [all data]

Xu, van Stee, et al., 2003
Xu, X.; van Stee, L.L.P.; Williams, J.; Beens, J.; Adahchour, M.; Vreuls, R.J.J.; Brinkman, U.A.Th.; Lelieveld, J., Comprehensive two-dimensional gas chromatography (GC×GC) measurements of volatile organic compounds in the atmosphere, Atmos. Chem. Phys., 2003, 3, 3, 665-682, https://doi.org/10.5194/acp-3-665-2003 . [all data]

Richmond and Pombo-Villar, 1997
Richmond, R.; Pombo-Villar, E., Short communication. Gas chromatography-mass spectrometry coupled with pseudo-Sadtler retention indices, for the identification of components in the essential oil of Curcuma longa L., J. Chromatogr. A, 1997, 760, 2, 303-308, https://doi.org/10.1016/S0021-9673(96)00802-3 . [all data]

Gautzsch and Zinn, 1996
Gautzsch, R.; Zinn, P., Use of incremental models to estimate the retention indexes of aromatic compounds, Chromatographia, 1996, 43, 3/4, 163-176, https://doi.org/10.1007/BF02292946 . [all data]

Helmig, Pollock, et al., 1996
Helmig, D.; Pollock, W.; Greenberg, J.; Zimmerman, P., Gas chromatography mass spectrometry analysis of volatile organic trace gases at Mauna Loa Observatory, Hawaii, J. Geophys. Res., 1996, 101, D9, 14697-14710, https://doi.org/10.1029/96JD00212 . [all data]

Gerbino and Castello, 1995
Gerbino, T.C.; Castello, G., Prediction of programmed temperature retention indices on capillary columns of different polarities, J. Chromatogr. A, 1995, 699, 1-2, 161-171, https://doi.org/10.1016/0021-9673(95)00024-H . [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]

Yasuhara, Shiraishi, et al., 1997
Yasuhara, A.; Shiraishi, H.; Nishikawa, M.; Yamamoto, T.; Uehiro, T.; Nakasugi, O.; Okumura, T.; Kenmotsu, K.; Fukui, H.; Nagase, M.; Ono, Y.; Kawagoshi, Y.; Baba, K.; Noma, Y., Determination of organic components in leachates from hazardous waste disposal sites in Japan by gas chromatography-mass spectrometry, J. Chromatogr. A, 1997, 774, 1-2, 321-332, https://doi.org/10.1016/S0021-9673(97)00078-2 . [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]

Alasalvar, Taylor, et al., 2005
Alasalvar, C.; Taylor, K.D.A.; Shahidi, F., Comparison of volatiles of cultured and wild sea bream (Sparus aurata) during storage in ice by dynamic headspace analysis/gas chromatography-mass spectrometry, J. Agric. Food Chem., 2005, 53, 7, 2616-2622, https://doi.org/10.1021/jf0483826 . [all data]

Chung, Yung, et al., 2002
Chung, H.-Y.; Yung, I.K.S.; Ma, W.C.J.; Kim, J.-S., Analysis of volatile components in frozen and dried scallops (Patinopecten yessoensis) by gas chromatography/mass spectrometry, Food Res. Int., 2002, 35, 1, 43-53, https://doi.org/10.1016/S0963-9969(01)00107-7 . [all data]

Chung, Yung, et al., 2001
Chung, H.Y.; Yung, I.K.S.; Kim, J.-S., Comparison of volatile components in dried scallops (Chlamys farreri and Patinopecten yessoensis) prepared by boiling and steaming methods, J. Agric. Food Chem., 2001, 49, 1, 192-202, https://doi.org/10.1021/jf000692a . [all data]

Chung, 1999
Chung, H.Y., Volatile components in crabmeats of Charybdis feriatus, J. Agric. Food Chem., 1999, 47, 6, 2280-2287, https://doi.org/10.1021/jf981027t . [all data]

Shiratsuchi, Shimoda, et al., 1994
Shiratsuchi, H.; Shimoda, M.; Imayoshi, K.; Noda, K.; Osajima, Y., Volatile flavor compounds in spray-dried skim milk powder, J. Agric. Food Chem., 1994, 42, 4, 984-988, https://doi.org/10.1021/jf00040a028 . [all data]

Sumitani, Suekane, et al., 1994
Sumitani, H.; Suekane, S.; Nakatani, A.; Tatsuka, K., Changes in composition of volatile compounds in high pressure treated peach, J. Agric. Food Chem., 1994, 42, 3, 785-790, https://doi.org/10.1021/jf00039a037 . [all data]

Matiella and Hsieh, 1990
Matiella, J.E.; Hsieh, T.C.-Y., Analysis of crabmeat volatile compounds, J. Food Sci., 1990, 55, 4, 962-966, https://doi.org/10.1111/j.1365-2621.1990.tb01575.x . [all data]

Bermejo, Moinelo, et al., 1980
Bermejo, J.; Moinelo, S.R.; Suarez Canga, C., Calculo de indices de retencion a patir de DI y de la polaridad de la fase, Calculo de indices de retencion a patir de DI y de la polaridad de la fase, Instituto Nacional del Carbon y sus Derivados Francisco Pintado Fe (INCAR), La Corredoria, Oviedo, Espana, 1980, 13. [all data]

Zenkevich, Moeder, et al., 2004
Zenkevich, I.G.; Moeder, M.; Koeller, G.; Schrader, S., Using new structurally related additive schemes in the precalculation of gas chromatographic retention indices of polychlorinated hydroxybiphenyls on HP-5 stationary phase, J. Chromatogr. A, 2004, 1025, 2, 227-236, https://doi.org/10.1016/j.chroma.2003.10.106 . [all data]

Health Safety Executive, 2000
Health Safety Executive, MDHS 96 Volatile organic compounds in air - Laboratory method using pumed solid sorbent tubes, solvent desorption and gas chromatography in Methods for the Determination of Hazardous Substances (MDHS) guidance, Crown, Colegate, Norwich, 2000, 1-24, retrieved from http://www.hse.gov.uk/pubns/mdhs/pdfs/mdhs96.pdf. [all data]

Messadi and Ali-Mokhnache, 1993
Messadi, D.; Ali-Mokhnache, S., Calculation of retention indices and peak widths in temperature programmed gas-liquid chromatography, Chromatographia, 1993, 37, 5/6, 264-270, https://doi.org/10.1007/BF02278631 . [all data]

Harland, Cumming, et al., 1986
Harland, B.J.; Cumming, R.I.; Gillings, E., The Kovats indexes of some organic micropollutants on an SE54 capillary column, EUR, I Org. Micropollut. Aquat. Environ., 1986, EUR 10388, 123-127. [all data]

Robinson, Adams, et al., 2012
Robinson, A.L.; Adams, D.O.; Boss, P.K.; Heymann, H.; Solomon, P.S.; Trengove, R.D., Influence of geographic origine on the sensory characteristics and wine composition of Vitus viniferas cv. Cabernet Sauvignon wines from Australia (Supplemental data), Am. J. Enol. Vitic., 2012, 64, 4, 467-476, https://doi.org/10.5344/ajev.2012.12023 . [all data]

Skogerson, Wohlgemuth, et al., 2011
Skogerson, K.; Wohlgemuth, G.; Fiehn, O., VocBinNase, 2011, retrieved from http://fiehnlab.ucdavis.edu/projects//VocBinBase. [all data]

Mebazaa, Mahmoudi, et al., 2009
Mebazaa, R.; Mahmoudi, A.; Fouchet, M.; Dos Santos, M.; Kamissoko, F.; Nafti, A.; Ben Cheikh, R.; Rega, B.; Camel, V., Characterization of volatile compounds in Tunisian fenugreek seeds, Food Chem., 2009, 115, 4, 1326-1336, https://doi.org/10.1016/j.foodchem.2009.01.066 . [all data]

Zenkevich, Eliseenkov, et al., 2006
Zenkevich, I.G.; Eliseenkov, E.V.; Kasatochkin, A.N., Application of Retention Indices in GC-MS Identification of Halogenated Organic Compounds, Mass Spectromery (Rus.), 2006, 3, 2, 131-140. [all data]

Yu and Zazhi, 2005
Yu, H.; Zazhi, J., Relationship between chromatogram retention index and toxicity of chlorinated phenols and chlorinated benzenes to Guppy, J. Enviropn. Health (Chinese), 2005, 22, 6, 441-444. [all data]

Fuhrer, Deissler, et al., 1997
Fuhrer, U.; Deissler, A.; Schreitmuller, J.; Ballschmiter, K., Analysis of Halogenated Methoxybenzenes and Hexachlorobenzene (HCB) in the Picogram m-3 Range in Marine Air, Chromatographia, 1997, 45, 1, 414-427, https://doi.org/10.1007/BF02505594 . [all data]

Zenkevich and Chupalov, 1996
Zenkevich, I.G.; Chupalov, A.A., New Possibilities of Chromato Mass Pectrometric Identification of Organic Compounds Using Increments of Gas Chromatographic Retention Indices of Molecular Structural Fragments, Zh. Org. Khim. (Rus.), 1996, 32, 5, 656-666. [all data]

Sorimachi, Tanabe, et al., 1995
Sorimachi, J.; Tanabe, A.; Mitobe, H.; Kuniaki, K.; Masaaki, S., Programmed temperature retention indices for volatile organic compounds on headspace GC/MS analysis, Niigata-ken Eisei Kogai Kenkyusho Nenpo, 1995, 11, 75-79. [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]

Vezzani, Moretti, et al., 1994
Vezzani, S.; Moretti, P.; Castello, G., Fast and Accurate Method for the Automatic Prediction of Programmed-Temperature Retention Times, J. Chromatogr. A, 1994, 677, 2, 331-343, https://doi.org/10.1016/0021-9673(94)80161-4 . [all data]

Nakano, Fujimori, et al., 1992
Nakano, T.; Fujimori, K.; Takaishi, Y.; Okuno, T., GC/MS-SIM analysis of polychlorobenzenes, polychlorophenols and polychloronaphthalenes, Report of the Environmental Science Institute of Hyogo Prefecture, 1992, 24, 30-37. [all data]

Ibrahim and Suffet, 1988
Ibrahim, E.A.; Suffet, I.H., Freon FC-113, an Alternative to Methylene Chloride for Liquid-Liquid Extraction of Trace Organics from Chlorinated Drinking Water, J. Chromatogr., 1988, 454, 217-232, https://doi.org/10.1016/S0021-9673(00)88615-X . [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]

Ramsey and Flanagan, 1982
Ramsey, J.D.; Flanagan, R.J., Detection and Identification of Volatile Organic Compounds in Blood by Headspace Gas Chromatography as an Aid to the Diagnosis of Solvent Abuse, J. Chromatogr., 1982, 240, 2, 423-444, https://doi.org/10.1016/S0021-9673(00)99622-5 . [all data]

Ardrey and Moffat, 1981
Ardrey, R.E.; Moffat, A.C., Gas-liquid chromatographic retention indices of 1318 substances of toxicological interest on SE-30 or OV-1 stationary phase, J. Chromatogr., 1981, 220, 3, 195-252, https://doi.org/10.1016/S0021-9673(00)81925-1 . [all data]

Pontes, Marques, et al., 2007
Pontes, M.; Marques, J.C.; Camara, J.S., Screening of volatile composition from Portuguese multifloral honeys using headspace solid-phase microextraction-gas chromatography-quadrupole mass spectrometry, Talanta, 2007, 74, 1, 91-103, https://doi.org/10.1016/j.talanta.2007.05.037 . [all data]

Vrana, Paschke, et al., 2005
Vrana, B.; Paschke, H.; Paschke, A.; Popp, P.; Schuurmann, G., Performance of semipermeable membrane devices for sampling of organic contaminants in groun water, J. Envirom. Monit., 2005, 7, 5, 500-508, https://doi.org/10.1039/b411645c . [all data]

Donnelly, Abdel-Hamid, et al., 1993
Donnelly, J.R.; Abdel-Hamid, M.S.; Jeter, J.L.; Gurka, D.F., Application of gas chromatographic retention properties to the identification of environmental contaminants, J. Chromatogr., 1993, 642, 1-2, 409-415, https://doi.org/10.1016/0021-9673(93)80106-I . [all data]

Eckel, Ross, et al., 1993
Eckel, W.P.; Ross, B.; Isensee, R.K., Pentobarbital found in ground water, Ground Water, 1993, 31, 5, 801-804, https://doi.org/10.1111/j.1745-6584.1993.tb00853.x . [all data]

Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, IR Spectrum, Gas Chromatography, References

• Symbols used in this document:
  

  ΔfH°gas	Enthalpy of formation of gas at standard conditions
  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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