Benzene, 1-chloro-3-methyl-
- Formula: C7H7Cl
- Molecular weight: 126.583
- IUPAC Standard InChIKey: OSOUNOBYRMOXQQ-UHFFFAOYSA-N
- CAS Registry Number: 108-41-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Toluene, m-chloro-; m-Chlorotoluene; m-Tolyl chloride; 1-Methyl-3-chlorobenzene; 3-Chloro-1-methylbenzene; 3-Chlorotoluene; 1-Chloro-3-methylbenzene; meta-Chlorotoluene; 1-Chloro-5-methylbenzene; NSC 8767
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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 by: John E. Bartmess
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Individual Reactions
C7H6Cl- + =
By formula: C7H6Cl- + H+ = C7H7Cl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 374.0 ± 2.1 | kcal/mol | G+TS | Caldwell and Bartmess | gas phase; value altered from reference due to change in acidity scale |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 366.9 ± 2.0 | kcal/mol | IMRE | Caldwell and Bartmess | gas phase; value altered from reference due to change in acidity scale |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
LL - Sharon G. Lias and Joel F. Liebman
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 187.4 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 180.3 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.7 ± 0.1 | EI | Tajima and Tsuchiya, 1972 | LLK |
8.83 ± 0.02 | PI | Watanabe, Nakayama, et al., 1962 | RDSH |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C5H5+ | 15.7 ± 0.2 | C2H2+Cl | EI | Tajima and Tsuchiya, 1973 | LLK |
C5H5+ | 15.71 ± 0.15 | C2H2+Cl | EI | Tajima and Tsuchiya, 1972 | LLK |
C7H6Cl+ | 12.05 ± 0.07 | H | EI | Selim, Rabbih, et al., 1994 | LL |
C7H7+ | 11.25 ± 0.06 | Cl | EI | Selim, Rabbih, et al., 1994 | LL |
C7H7+ | 11.3 ± 0.1 | Cl | EI | Tajima and Tsuchiya, 1972 | LLK |
C7H7+ | 11.9 | Cl | EI | Yeo and Williams, 1970 | RDSH |
C7H7+ | 11.3 ± 0.1 | Cl | EI | Brown, 1970 | RDSH |
De-protonation reactions
C7H6Cl- + =
By formula: C7H6Cl- + H+ = C7H7Cl
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 374.0 ± 2.1 | kcal/mol | G+TS | Caldwell and Bartmess | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 366.9 ± 2.0 | kcal/mol | IMRE | Caldwell and Bartmess | gas phase; value altered from reference due to change in acidity scale; B |
IR Spectrum
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, UV/Visible 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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Due to licensing restrictions, this spectrum cannot be downloaded.
Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center, 1990. |
NIST MS number | 114660 |
UV/Visible spectrum
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Spectrum
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Additional Data
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Download spectrum in JCAMP-DX format.
Source | Bolshakov, et al., 1969 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 20251 |
Instrument | unknown |
Boiling point | 161.8 |
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
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-1 | 927.7 | Sun and Stremple, 2003 | 30. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 40. C; Tend: 325. C |
Capillary | OV-1 | 934.9 | Gautzsch and Zinn, 1996 | 8. K/min; Tstart: 35. C; Tend: 300. C |
Capillary | Petrocol DH | 933. | White, Hackett, et al., 1992 | 100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C |
Normal alkane RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | E-301 | 100. | 954. | Bermejo, Moinelo, et al., 1980 | N2; Column length: 50. m; Column diameter: 0.25 mm |
Capillary | Squalane | 100. | 944. | Bermejo, Moinelo, et al., 1980 | N2; Column length: 50. m; Column diameter: 0.25 mm |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | SPB-1 | 959. | Flanagan, Streete, et al., 1997 | 60. m/0.53 mm/5. μm, He; Program: 40C(6min) => 5C/min => 80C => 10C/min => 200C |
Capillary | Polydimethyl siloxanes | 938. | Zenkevich and Chupalov, 1996 | Program: not specified |
Capillary | SPB-1 | 959. | 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 | OV-1 | 932. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | OV-1 | 960. | Ramsey and Flanagan, 1982 | Program: not specified |
Normal alkane RI, polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-Wax | 1313. | Peng, Yang, et al., 1991 | Program: not specified |
Capillary | Superox 0.6; Carbowax 20M | 1288. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Superox 0.6; Carbowax 20M | 1301. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Carbowax 400, Carbowax 20M, Carbowax 1540, Carbowax 4000, Superox 06, PEG 20M, etc. | 1288. | Waggott and Davies, 1984 | Hydrogen; Column length: 50. m; Column diameter: 0.32 mm; Program: not specified |
Capillary | Carbowax 20M | 1291. | Ramsey and Flanagan, 1982 | Program: not specified |
Lee's RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | HP5-MS | 150. | Vrana, Paschke, et al., 2005 | 30. m/0.25 mm/0.25 μm, Helium, 50. C @ 5. min, 5. K/min, 280. C @ 10. min |
Lee's RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | DB-5MS | 160.7 | Aracil, Font, et al., 2005 | Column length: 60. m; Column diameter: 0.25 mm; Program: not specified |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Caldwell and Bartmess
Caldwell, G.; Bartmess, J.E.,
, Unpublished results. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Tajima and Tsuchiya, 1972
Tajima, S.; Tsuchiya, T.,
The effects of the repeller voltage and the shield voltage on appearance potential measurements by electron impact,
Shitsuryo Bunseki, 1972, 20, 117. [all data]
Watanabe, Nakayama, et al., 1962
Watanabe, K.; Nakayama, T.; Mottl, J.,
Ionization potentials of some molecules,
J. Quant. Spectry. Radiative Transfer, 1962, 2, 369. [all data]
Tajima and Tsuchiya, 1973
Tajima, S.; Tsuchiya, T.,
Energetics consideration of C5H5+ ions produced from various precursors by electron impact,
Bull. Chem. Soc. Jpn., 1973, 46, 3291. [all data]
Selim, Rabbih, et al., 1994
Selim, E.T.M.; Rabbih, M.A.; Fahmey, M.A.; Hawash, M.F.,
Loss of H and Cl from the molecular ions of chlorotoluene isomers using electron impact mass spectrometry,
Int. J. Mass Spectrom. Ion Processes, 1994, 134, 119. [all data]
Yeo and Williams, 1970
Yeo, A.N.H.; Williams, D.H.,
Rearrangement in the molecular ions of halogenotoluenes prior to fragmentation in the mass spectrometer,
Chem. Commun., 1970, 886. [all data]
Brown, 1970
Brown, P.,
Kinetic studies in mass spectrometry-IV. The [M - Cl] reaction in substituted chlorobenzenes and the question of molecular ion isomerization,
Org. Mass Spectrom., 1970, 3, 639. [all data]
Bolshakov, et al., 1969
Bolshakov, G.F., et al.,
Ultraviolet Spectra of Heteroorganic Compounds, 1969, 465. [all data]
Sun and Stremple, 2003
Sun, G.; Stremple, P.,
Retention index characterization of flavor, fragrance, and many other compounds on DB-1 and DB-XLB, 2003, retrieved from http://www.chem.agilent.com/cag/cabu/pdf/b-0279.pdf. [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]
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]
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]
Flanagan, Streete, et al., 1997
Flanagan, R.J.; Streete, P.J.; Ramsey, J.D.,
Volatile Substance Abuse, UNODC Technical Series, No 5, United Nations, Office on Drugs and Crime, Vienna International Centre, PO Box 500, A-1400 Vienna, Austria, 1997, 56, retrieved from http://www.odccp.org/pdf/technicalseries1997-01-011.pdf. [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]
Strete, Ruprah, et al., 1992
Strete, P.J.; Ruprah, M.; Ramsey, J.D.; Flanagan, R.J.,
Detection and identification of volatile substances by headspace capillary gas chromatography to aid the diagnosis of acute poisoning,
Analyst, 1992, 117, 7, 1111-1127, https://doi.org/10.1039/an9921701111
. [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]
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]
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]
Aracil, Font, et al., 2005
Aracil, I.; Font, R.; Conesa, J.A.,
Semivolatile and volatile compounds from the pyrolysis and combustion of polyvinyl chloride,
J. Anal. Appl. Pyrolysis, 2005, 74, 1-2, 465-478, https://doi.org/10.1016/j.jaap.2004.09.008
. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), UV/Visible spectrum, 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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