Triethylamine
- Formula: C6H15N
- Molecular weight: 101.1900
- IUPAC Standard InChIKey: ZMANZCXQSJIPKH-UHFFFAOYSA-N
- CAS Registry Number: 121-44-8
- 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: Ethanamine, N,N-diethyl-; (C2H5)3N; (Diethylamino)ethane; N,N-Diethylethanamine; TEN; Triaethylamin; Trietilamina; UN 1296; 1069-58-5 (maleate); 554-68-7 (chloride)
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Condensed phase thermochemistry data
Go To: Top, Reaction thermochemistry data, 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -40.5 | kcal/mol | Ccb | Baroody and Carpenter, 1972 | ALS |
ΔfH°liquid | -30.54 ± 0.13 | kcal/mol | Ccb | Lebedeva, 1966 | ALS |
ΔfH°liquid | -42.6 | kcal/mol | Ccb | Lemoult, 1907 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1046.15 ± 0.13 | kcal/mol | Ccb | Lebedeva, 1966 | ALS |
ΔcH°liquid | -1040.7 | kcal/mol | Ccb | Lemoult, 1907 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
51.728 | 298.15 | Grolier, Roux-Desgranges, et al., 1993 | DH |
52.127 | 298.15 | Hepler, Kooner, et al., 1985 | DH |
42.30 | 298. | von Reis, 1881 | T = 293 to 378 K.; DH |
Reaction thermochemistry data
Go To: Top, Condensed phase thermochemistry data, 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 by: 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: C3H9Sn+ + C6H15N = (C3H9Sn+ • C6H15N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 45.7 | kcal/mol | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 33.9 | cal/mol*K | N/A | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
27.9 | 525. | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated |
By formula: C6H16N+ + C6H15N = (C6H16N+ • C6H15N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.8 | kcal/mol | PHPMS | Meot-Ner M. and Sieck, 1983 | gas phase |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 41.0 | cal/mol*K | PHPMS | Meot-Ner M. and Sieck, 1983 | gas phase |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, 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
L - Sharon G. Lias
Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.53 ± 0.10 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 234.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 227. | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.47 ± 0.04 | PE | Mathis and Compton, 1996 | LL |
7.53 ± 0.10 | LS | Mathis and Compton, 1996 | LL |
7.3 | PE | Aue and Bowers, 1979 | LLK |
7.1 ± 0.1 | PE | Aue, Webb, et al., 1976 | LLK |
7.20 ± 0.09 | PE | Aue, Webb, et al., 1975 | LLK |
7.84 | PE | Al-Joboury and Turner, 1964 | RDSH |
7.50 ± 0.02 | PI | Watanabe and Mottl, 1957 | RDSH |
8.03 | PE | Zverev and Titova, 1996 | Vertical value; LL |
8.24 ± 0.04 | PE | Mathis and Compton, 1996 | Vertical value; LL |
8.08 | PE | Utsunomiya, Kobayashi, et al., 1976 | Vertical value; LLK |
8.19 ± 0.05 | PE | Leavell, Steichen, et al., 1973 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH3+ | 16.7 | (C2H5)2NCH | EI | SenSharma and Franklin, 1973 | LLK |
C4H10N+ | 13.14 | C2H5 | EI | Plotnikov, Bogolyubov, et al., 1969 | RDSH |
C5H12N+ | 11.48 | CH3 | EI | Plotnikov, Bogolyubov, et al., 1969 | RDSH |
References
Go To: Top, Condensed phase thermochemistry data, 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.
Baroody and Carpenter, 1972
Baroody, E.E.; Carpenter, G.A.,
Heats of formation of propellant compounds (U), Rpt. Naval Ordnance Systems Command Task No. 331-003/067-1/UR2402-001 for Naval Ordance Station, Indian Head, MD, 1972, 1-9. [all data]
Lebedeva, 1966
Lebedeva, N.D.,
Heats of combustion and formation of aliphatic tertiary amine homologues,
Russ. J. Phys. Chem. (Engl. Transl.), 1966, 40, 1465-1467. [all data]
Lemoult, 1907
Lemoult, M.P.,
Recherches theoriques et experimentales sur les chaleurs de combustion et de formation des composes organiques,
Ann. Chim. Phys., 1907, 12, 395-432. [all data]
Grolier, Roux-Desgranges, et al., 1993
Grolier, J.-P.E.; Roux-Desgranges, G.; Berkane, M.; Jimenez, E.; Wilhelm, E.,
Heat capacities and densities of mixtures of very polar substances 2. Mixtures containing N,N-dimethylformamide,
J. Chem. Thermodynam., 1993, 25(1), 41-50. [all data]
Hepler, Kooner, et al., 1985
Hepler, L.G.; Kooner, Z.S.; Roux-Desgranges, G.; Grolier, J.-P.E.,
Thermal and volumetric properties of chloroform + triethylamine mixtures and the ideal associated solution model of complex formation,
J. Solution Chem., 1985, 14(8), 579-594. [all data]
von Reis, 1881
von Reis, M.A.,
Die specifische Wärme flüssiger organischer Verbindungen und ihre Beziehung zu deren Moleculargewicht,
Ann. Physik [3], 1881, 13, 447-464. [all data]
Stone and Splinter, 1984
Stone, J.A.; Splinter, D.E.,
A high-pressure mass spectrometric study of the binding of (CH3)3Sn+ to lewis bases in the gas phase,
Int. J. Mass Spectrom. Ion Processes, 1984, 59, 169. [all data]
Meot-Ner M. and Sieck, 1983
Meot-Ner M.; Sieck, L.W.,
The Ionic Hydrogen Bond. 1. Sterically Hindered Bonds. Solvation and Clustering of Sterically Hindered Amines and Pyridines,
J. Am. Chem. Soc., 1983, 105, 10, 2956, https://doi.org/10.1021/ja00348a005
. [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]
Mathis and Compton, 1996
Mathis, J.E.; Compton, R.N.,
Single and multiple photon ionization of triethylamine,
J. Chem. Phys., 1996, 104, 8341. [all data]
Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T.,
Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements
in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]
Aue, Webb, et al., 1976
Aue, D.H.; Webb, H.M.; Bowers, M.T.,
Quantitative proton affinities, ionization potentials, and hydrogen affinities of alkylamines,
J. Am. Chem. Soc., 1976, 98, 311. [all data]
Aue, Webb, et al., 1975
Aue, D.H.; Webb, H.M.; Bowers, M.T.,
Photoelectron spectrum and gas-phase basicity of manxine. Evidence for a planar bridgehead nitrogen,
J. Am. Chem. Soc., 1975, 97, 4136. [all data]
Al-Joboury and Turner, 1964
Al-Joboury, M.I.; Turner, D.W.,
Molecular photoelectron spectroscopy. Part II. A summary of ionization potentials,
J. Chem. Soc., 1964, 4434. [all data]
Watanabe and Mottl, 1957
Watanabe, K.; Mottl, J.R.,
Ionization potentials of ammonia and some amines,
J. Chem. Phys., 1957, 26, 1773. [all data]
Zverev and Titova, 1996
Zverev, V.V.; Titova, Z.S.,
Theoretical and experimental investigation of stereoelectronic interactions in H-complexes of sulfenamide derivatives,
Izv. Akad. Nauk Ser. Khim., 1996, 2894. [all data]
Utsunomiya, Kobayashi, et al., 1976
Utsunomiya, C.; Kobayashi, T.; Nagakura, S.,
Photoelectron spectra of electron donor-acceptor complexes between bromine and alkylamines,
Chem. Phys. Lett., 1976, 39, 245. [all data]
Leavell, Steichen, et al., 1973
Leavell, S.; Steichen, J.; Franklin, J.L.,
Photoelectron spectra of intramolecularly hydrogen bonded compounds,
J. Chem. Phys., 1973, 59, 4343. [all data]
SenSharma and Franklin, 1973
SenSharma, D.K.; Franklin, J.L.,
Heat of formation of free radicals by mass spectrometry,
J. Am. Chem. Soc., 1973, 95, 6562. [all data]
Plotnikov, Bogolyubov, et al., 1969
Plotnikov, V.F.; Bogolyubov, G.M.; Maretina, I.A.; Petrov, A.A.,
Organic derivatives of elements of Groups V and VI. V. Mass spectra of 1-buten-3-ynylamines,
Zh. Org. Khim., 1969, 5, 1137, In original 1157. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid IE (evaluated) Recommended ionization energy T Temperature ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions 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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