2-Chloroethanol
- Formula: C2H5ClO
- Molecular weight: 80.513
- IUPAC Standard InChIKey: SZIFAVKTNFCBPC-UHFFFAOYSA-N
- CAS Registry Number: 107-07-3
- 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. - Other names: Ethanol, 2-chloro-; β-Chloroethanol; β-Chloroethyl alcohol; β-Hydroxyethyl chloride; Chloroethanol; Ethene, chlorohydrin; Ethylchlorohydrin; Ethylene chlorhydrin; Ethylene chlorohydrin; Glycol monochlorohydrin; 2-Chloro-1-ethanol; 2-Chloroethyl alcohol; 2-Hydroxyethyl chloride; CH2ClCH2OH; 2-Chlorethanol; Aethylenechlorhydrin; Ethyleen-chloorhydrine; Ethylene glycol, chlorohydrin; Glicol monocloridrina; Glycol chlorohydrin; Glycolmonochloorhydrine; Glycomonochlorhydrin; NCI-C50135; Z-Chloroethanol; 2-Chloorethanol; 2-Chloraethanol; 2-Chloro-1-hydroxyethane; 2-Cloroetanolo; 2-Monochloroethanol; UN 1135; NSC 122289; 1-Chloro-2-hydroxyethane
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Reaction thermochemistry data
Go To: Top, Gas phase ion energetics data, 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:
B - John E. Bartmess
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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: CN- + C2H5ClO = (CN- • C2H5ClO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 88. ± 15. | kJ/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 107. | J/mol*K | N/A | Larson and McMahon, 1987 | gas phase; switching reaction,Thermochemical ladder(CN-)H2O, Entropy change calculated or estimated; Payzant, Yamdagni, et al., 1971; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 56.5 ± 9.6 | kJ/mol | IMRE | Larson and McMahon, 1987 | gas phase; B,M |
By formula: Cl- + C2H5ClO = (Cl- • C2H5ClO)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 90.0 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 105. | J/mol*K | N/A | Larson and McMahon, 1984 | gas phase; switching reaction(Cl-)FCH2CH2OH, Entropy change calculated or estimated; Larson and McMahon, 1984, 2; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 58.6 ± 8.4 | kJ/mol | IMRE | Larson and McMahon, 1984 | gas phase; B,M |
Gas phase ion energetics data
Go To: Top, Reaction thermochemistry data, 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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
LL - Sharon G. Lias and Joel F. Liebman
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 766.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 735.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
10.5 | PE | Ohno, Imai, et al., 1985 | LBLHLM |
10.66 | PE | Koppel, Molder, et al., 1983 | LBLHLM |
10.90 | PE | Baker, Betteridge, et al., 1971 | LLK |
10.90 | PE | Baker, Betteridge, et al., 1971 | LLK |
10.91 | PE | Ohno, Imai, et al., 1985 | Vertical value; LBLHLM |
10.95 | PE | Kobayashi, 1984 | Vertical value; LBLHLM |
10.91 | PE | Kimura, Katsumata, et al., 1981 | Vertical value; LLK |
10.90 | PE | Hoppilliard and Solgadi, 1980 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH3O+ | 11.16 | CH2Cl | EI | Holmes and Lossing, 1988 | LL |
CH3O+ | 11.16 ± 0.05 | CH2Cl | EI | Holmes and Lossing, 1984 | LBLHLM |
CH3O+ | 11.5 ± 0.1 | ? | EI | Harrison and Shannon, 1962 | RDSH |
References
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Larson and McMahon, 1987
Larson, J.W.; McMahon, T.B.,
Hydrogen bonding in gas phase anions. The energetics of interaction between cyanide ion and bronsted acids,
J. Am. Chem. Soc., 1987, 109, 6230. [all data]
Payzant, Yamdagni, et al., 1971
Payzant, J.D.; Yamdagni, R.; Kebarle, P.,
Hydration of CN-, NO2-, NO3-, and HO- in the gas phase,
Can. J. Chem., 1971, 49, 3308. [all data]
Larson and McMahon, 1984
Larson, J.W.; McMahon, T.B.,
Hydrogen bonding in gas phase anions. An experimental investigation of the interaction between chloride ion and bronsted acids from ICR chloride exchange equilibria,
J. Am. Chem. Soc., 1984, 106, 517. [all data]
Larson and McMahon, 1984, 2
Larson, J.W.; McMahon, T.B.,
Gas phase negative ion chemistry of alkylchloroformates,
Can. J. Chem., 1984, 62, 675. [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]
Ohno, Imai, et al., 1985
Ohno, K.; Imai, K.; Harada, Y.,
Variations in reactivity of lone-pair electrons due to intramolecular hydrogen bonding as observed by penning ionization electron spectroscopy,
J. Am. Chem. Soc., 1985, 107, 8078. [all data]
Koppel, Molder, et al., 1983
Koppel, I.A.; Molder, U.H.; Pikver, R.J.,
Photoelectron spectra of molecules. I. Alcohols,
Org. React. Tartu, 1983, 20, 45. [all data]
Baker, Betteridge, et al., 1971
Baker, A.D.; Betteridge, D.; Kemp, N.R.; Kirby, R.E.,
Application of photoelectron spectrometry to pesticide analysis. II.Photoelectron spectra of hydroxy-, and halo-alkanes and halohydrins,
Anal. Chem., 1971, 43, 375. [all data]
Kobayashi, 1984
Kobayashi, T.,
Angle-resolved photoelectron spectroscopy of intramolecular hydrogen bond systems: 2-chloroethanol and 2-bromoethanol,
Phys. Lett. A, 1984, 103, 424. [all data]
Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S.,
Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules
in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]
Hoppilliard and Solgadi, 1980
Hoppilliard, Y.; Solgadi, D.,
Conformational analysis of 2-haloethanols and 2-methoxyethylhalides in a photoelectron spectrometer,
Tetrahedron, 1980, 36, 377. [all data]
Holmes and Lossing, 1988
Holmes, J.L.; Lossing, F.P.,
Heats of formation and bond dissociation energies in halogen-substituted methyl and ethyl radicals,
J. Am. Chem. Soc., 1988, 110, 7343. [all data]
Holmes and Lossing, 1984
Holmes, J.L.; Lossing, F.P.,
Heats of formation of organic radicals from appearance energies,
Int. J. Mass Spectrom. Ion Processes, 1984, 58, 113. [all data]
Harrison and Shannon, 1962
Harrison, A.G.; Shannon, T.W.,
An electron impact study of chloromethyl and dichloromethyl derivatives,
Can. J. Chem., 1962, 40, 1730. [all data]
Notes
Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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