Ethanamine, N-ethyl-
- Formula: C4H11N
- Molecular weight: 73.1368
- IUPAC Standard InChIKey: HPNMFZURTQLUMO-UHFFFAOYSA-N
- CAS Registry Number: 109-89-7
- 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:
- Other names: Diethylamine; N,N-Diethylamine; (C2H5)2NH; DEA; Diaethylamin; Diethamine; Dietilamina; Dwuetyloamina; UN 1154; N-Ethylethanamine
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Condensed 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 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 | -31.2 | kcal/mol | Ccb | Lemoult, 1907 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -725.5 | kcal/mol | Ccb | Lemoult, 1907 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
42.57 | 298.15 | Costas and Patterson, 1985 | T = 283.15, 298.15, 313.15 K.; DH |
42.57 | 298.15 | Costas and Patterson, 1985, 2 | DH |
25.41 | 290. | Kurnakov and Voskresenskaya, 1936 | DH |
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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
By formula: C3H9Sn+ + C4H11N = (C3H9Sn+ • C4H11N)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 46.4 | kcal/mol | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 33. | cal/mol*K | N/A | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
29.1 | 525. | PHPMS | Stone and Splinter, 1984 | gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M |
By formula: C8H20N2S2 + 2C4H12ClN = Cl2S2 + 4C4H11N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 87.30 ± 0.70 | kcal/mol | Cm | Claydon and Mortimer, 1962 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 88.0 ± 0.7 kcal/mol; ALS |
By formula: C8H20N2O2S + 2C4H12ClN = 4C4H11N + Cl2O2S
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 130.0 ± 1.7 | kcal/mol | Cm | Claydon and Mortimer, 1962 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 129.8 ± 1.7 kcal/mol; ALS |
By formula: C8H20N2OS + 2C4H12ClN = 4C4H11N + Cl2OS
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 90.7 ± 1.0 | kcal/mol | Cm | Claydon and Mortimer, 1962 | liquid phase; Reanalyzed by Cox and Pilcher, 1970, Original value = 93.9 ± 1.0 kcal/mol; ALS |
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
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to C4H11N+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 227.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 219.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.9 ± 0.1 | PE | Aue, Webb, et al., 1976 | LLK |
8.51 | PE | Al-Joboury and Turner, 1964 | RDSH |
8.01 ± 0.01 | PI | Watanabe and Mottl, 1957 | RDSH |
8.68 | PE | Gibbins, Lappert, et al., 1975 | Vertical value; LLK |
8.630 | PE | Aue, Webb, et al., 1975 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH2N+ | 14.64 | ? | EI | Collin and Franskin, 1966 | RDSH |
CH3+ | 15.4 | C2H5NHCH2 | EI | SenSharma and Franklin, 1973 | LLK |
CH4N+ | 13.10 ± 0.10 | C2H4+CH3 | EI | Collin and Franskin, 1966 | RDSH |
C2H3+ | 15.35 | ? | EI | Collin and Franskin, 1966 | RDSH |
C2H5+ | 14.85 | ? | EI | Collin and Franskin, 1966 | RDSH |
C2H6N+ | 11.42 ± 0.05 | C2H5 | EI | Solka and Russell, 1974 | LLK |
C2H6N+ | 13.65 ± 0.08 | ? | EI | Collin and Franskin, 1966 | RDSH |
C3H8N+ | 8.92 | CH3 | EI | Lossing, Lam, et al., 1981 | LLK |
C3H8N+ | 9.55 ± 0.10 | CH3 | EI | Collin and Franskin, 1966 | 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.
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]
Costas and Patterson, 1985
Costas, M.; Patterson, D.,
Heat capacities of water + organic-solvent mixtures, J. Chem. Soc.,
Faraday Trans. 1, 1985, 81, 2381-2398. [all data]
Costas and Patterson, 1985, 2
Costas, M.; Patterson, D.,
Self-association of alcohols in inert solvents, J. Chem. Soc.,
Faraday Trans. 1, 1985, 81, 635-654. [all data]
Kurnakov and Voskresenskaya, 1936
Kurnakov, N.S.; Voskresenskaya, N.K.,
Calorimetry of liquid binary systems, Izv. Akad. Nauk SSSR,
Otdel. Mat. i Estestv. Nauk. Ser. Khim, 1936, 1936, 439-461. [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]
Claydon and Mortimer, 1962
Claydon, A.P.; Mortimer, C.T.,
Heats of formation and bond energies. Part VIII. Diethylaminotrimethylsilane, NN'-dithiodiethylamine, NN'-thionylbisdiethylamine, and NN'-sulphurylbisdiethylamine,
J. Chem. Soc., 1962, 3212-3216. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [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]
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]
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]
Gibbins, Lappert, et al., 1975
Gibbins, S.G.; Lappert, M.F.; Pedley, J.B.; Sharp, G.J.,
Bonding studies of transition-metal complexes. Part II. Helium-I photoelectron spectra of homoleptic d0, d1, and d10 tetrakis(dialkylamides) of transition group 4B metals tungsten hexakis(dimethylamide),
J. Chem. Soc. Dalton Trans., 1975, 72. [all data]
Aue, Webb, et al., 1975
Aue, D.H.; Webb, H.M.; Bowers, M.T.,
Proton affinities, ionization potentials, and hydrogen affinities of nitrogen and oxygen bases. Hybridization effects,
J. Am. Chem. Soc., 1975, 97, 4137. [all data]
Collin and Franskin, 1966
Collin, J.E.; Franskin, M.J.,
Ionisation, dissociation et rearrangements intramoleculaires dans les amines aliphatiques soumises a l'impact electronique. Cas de la diethylamine et de la diethylamine-Nd,
Bull. Soc. Roy. Sci. Liege, 1966, 35, 285. [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]
Solka and Russell, 1974
Solka, B.H.; Russell, M.E.,
Energetics of formation of some structural isomers of gaseous C2H5O+ C2H6N+ ions,
J. Phys. Chem., 1974, 78, 1268. [all data]
Lossing, Lam, et al., 1981
Lossing, F.P.; Lam, Y.-T.; Maccoll, A.,
Gas phase heats of formation of alkyl immonium ions,
Can. J. Chem., 1981, 59, 2228. [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 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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