Methylamine, N,N-dimethyl-
- Formula: C3H9N
- Molecular weight: 59.1103
- IUPAC Standard InChIKey: GETQZCLCWQTVFV-UHFFFAOYSA-N
- CAS Registry Number: 75-50-3
- 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: Trimethylamine; Methanamine, N,N-dimethyl-; TMA; UN 1083; UN 1297
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Condensed phase thermochemistry data
Go To: Top, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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 | -45.73 ± 0.71 | kJ/mol | Eqk | Issoire and Long, 1960 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
ΔfH°liquid | -52.7 | kJ/mol | Ccb | Lemoult, 1907 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -2484. | kJ/mol | Ccb | Muller, 1910 | At 288 K; ALS |
ΔcH°liquid | -2430. | kJ/mol | Ccb | Lemoult, 1907 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 197.82 | J/mol*K | N/A | Aston, Sagenkahn, et al., 1944 | DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
132.55 | 280. | Aston, Sagenkahn, et al., 1944 | T = 12 to 280 K.; DH |
Phase change data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 275. ± 5. | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 155.95 | K | N/A | Roberts, Emeleus, et al., 1939 | Uncertainty assigned by TRC = 0.2 K; TRC |
Tfus | 149.4 | K | N/A | Simon and Huter, 1935 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 155.95 | K | N/A | Simon and Huter, 1935, 2 | Uncertainty assigned by TRC = 2. K; TRC |
Tfus | 155.85 | K | N/A | Wiberg and Sutterlin, 1935 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 149.15 | K | N/A | Timmermans and Mattaar, 1921 | Uncertainty assigned by TRC = 1. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 156.08 | K | N/A | Aston, Sagenkahn, et al., 1944, 2 | Uncertainty assigned by TRC = 0.05 K; based on T0 = 273.16 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 433.2 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 432.79 | K | N/A | Kay and Young, 1974 | Uncertainty assigned by TRC = 0.15 K; TRC |
Tc | 433.3 | K | N/A | Day and Felsing, 1950 | Uncertainty assigned by TRC = 0.3 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 40.87 | bar | N/A | Kay and Young, 1974 | Uncertainty assigned by TRC = 0.03 bar; TRC |
Pc | 40.7712 | bar | N/A | Day and Felsing, 1950 | Uncertainty assigned by TRC = 0.1066 bar; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 30. | l/mol | N/A | Day and Felsing, 1950 | Uncertainty assigned by TRC = 0.07 l/mol; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 22.18 | kJ/mol | N/A | Majer and Svoboda, 1985 | |
ΔvapH° | 22.0 ± 0.08 | kJ/mol | V | Issoire and Long, 1960 | Heat of formation derived by Cox and Pilcher, 1970; ALS |
ΔvapH° | 22.0 | kJ/mol | N/A | Issoire and Long, 1960 | DRB |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
22.937 | 276.03 | N/A | Aston, Sagenkahn, et al., 1944 | P = 101.325 kPa; DH |
22.94 | 276. | N/A | Majer and Svoboda, 1985 | |
24.6 | 261. | A | Stephenson and Malanowski, 1987 | Based on data from 193. to 276. K. See also Aston, Sagenkahn, et al., 1944.; AC |
23.0 | 368. | N/A | Day and Felsing, 1950, 2 | Based on data from 333. to 403. K.; AC |
24.1 | 288. | N/A | Swift and Hochanadel, 1945 | Based on data from 273. to 313. K.; AC |
22.94 ± 0.03 | 276.03 | V | Aston, Sagenkahn, et al., 1944, 3 | ALS |
24.5 | 250. | C | Aston, Sagenkahn, et al., 1944 | AC |
24.35 | 276.2 | V | Thompson and Linnett, 1936 | ALS |
Enthalpy of vaporization
ΔvapH =
A exp(-βTr) (1 − Tr)β
ΔvapH =
Enthalpy of vaporization (at saturation pressure)
(kJ/mol)
Tr = reduced temperature (T / Tc)
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Temperature (K) | A (kJ/mol) | β | Tc (K) | Reference | Comment |
---|---|---|---|---|---|
250. to 276. | 36.56 | 0.2824 | 433.2 | Majer and Svoboda, 1985 |
Entropy of vaporization
ΔvapS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
83.10 | 276.03 | Aston, Sagenkahn, et al., 1944 | P; DH |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (bar)
T = temperature (K)
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Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
192.84 to 276.60 | 4.01613 | 970.297 | -34.06 | Aston, Sagenkahn, et al., 1944 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kJ/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
6.544 | 156.08 | Aston, Sagenkahn, et al., 1944 | DH |
6.54 | 156.1 | Acree, 1991 | AC |
Entropy of fusion
ΔfusS (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
41.93 | 156.08 | Aston, Sagenkahn, et al., 1944 | DH |
Gas phase ion energetics data
Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), 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:
B - John E. Bartmess
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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
IE (evaluated) | 7.85 ± 0.05 | eV | N/A | N/A | L |
Quantity | Value | Units | Method | Reference | Comment |
Proton affinity (review) | 948.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 918.1 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
7.8 | PE | Aue and Bowers, 1979 | LLK |
8.40 | EI | Baldwin, Loudon, et al., 1977 | LLK |
7.8 ± 0.1 | PE | Aue, Webb, et al., 1976 | LLK |
7.88 | PE | Vovna and Vilesov, 1974 | LLK |
7.83 ± 0.05 | PE | Akopyan and Loginov, 1974 | LLK |
7.83 ± 0.02 | PE | Maier and Turner, 1973 | LLK |
7.95 ± 0.10 | PI | Adamchuk, Dmitriev, et al., 1972 | LLK |
7.80 | PE | Cornford, Frost, et al., 1971 | LLK |
7.82 ± 0.02 | PI | Watanabe and Mottl, 1957 | RDSH |
8.54 | PE | Elbel, Dieck, et al., 1982 | Vertical value; LBLHLM |
8.47 | PE | Kobayashi, 1978 | Vertical value; LLK |
8.45 | PE | Daamen and Oskam, 1978 | Vertical value; LLK |
8.44 | PE | Kimura and Osafune, 1975 | Vertical value; LLK |
8.560 | PE | Aue, Webb, et al., 1975 | Vertical value; LLK |
8.54 | PE | Elbel, Bergmann, et al., 1974 | Vertical value; LLK |
8.5 | PE | Schafer and Schweig, 1972 | Vertical value; LLK |
8.45 ± 0.01 | PE | Lloyd and Lynaugh, 1972 | Vertical value; LLK |
8.5 ± 0.1 | PE | Cradock, Ebsworth, et al., 1972 | Vertical value; LLK |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
CH3+ | 14.9 | (CH3)2N | EI | SenSharma and Franklin, 1973 | LLK |
CH3+ | 14.0 ± 0.1 | ? | EI | Gowenlock, Jones, et al., 1961 | RDSH |
C2H6N+ | 11.25 | CH3 | EI | Loudon and Webb, 1977 | LLK |
C2H6N+ | 10.68 ± 0.09 | CH3 | EI | Solka and Russell, 1974 | LLK |
C2H6N+ | 12.3 ± 0.1 | CH3 | EI | Fisher and Henderson, 1967 | RDSH |
C2H6N+ | 12.3 ± 0.1 | CH3 | EI | Gowenlock, Jones, et al., 1961 | RDSH |
C3H8N+ | 9.38 | H | EI | Lossing, Lam, et al., 1981 | LLK |
C3H8N+ | 10.55 | ? | EI | Loudon and Webb, 1977 | LLK |
C3H8N+ | 9.8 ± 0.1 | H | EI | Taft, Martin, et al., 1965 | RDSH |
De-protonation reactions
C3H8N- + =
By formula: C3H8N- + H+ = C3H9N
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | >1699.6 ± 2.5 | kJ/mol | G+TS | MacKay and Bohme, 1978 | gas phase; Computations put dHacid ca. 412 kcal/mol; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | >1665.2 | kJ/mol | IMRB | MacKay and Bohme, 1978 | gas phase; Computations put dHacid ca. 412 kcal/mol; B |
Mass spectrum (electron ionization)
Go To: Top, Condensed phase thermochemistry data, Phase change 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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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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 | Japan AIST/NIMC Database- Spectrum MS-IW-4392 |
NIST MS number | 233394 |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Issoire and Long, 1960
Issoire, J.; Long, C.,
Etude de la thermodynamique chimique de la reaction de formation des methylamines,
Bull. Soc. Chim. France, 1960, 2004-2012. [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]
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]
Muller, 1910
Muller, J.-A.,
Sur les chaleurs de combustion et les poids specifiques des methylamines,
Ann. Chim. Phys., 1910, 20, 116-130. [all data]
Aston, Sagenkahn, et al., 1944
Aston, J.G.; Sagenkahn, M.L.; Szasa, G.J.; Moessen, G.W.; Zuhr, H.F.,
The heat capacity and entropy, heats of fusion and vaporization and the vapor pressure of trimethylamine. The entropy from spectroscopic and molecular data,
J. Am. Chem. Soc., 1944, 66, 1171-1177. [all data]
Roberts, Emeleus, et al., 1939
Roberts, E.R.; Emeleus, H.J.; Briscoe, H.V.A.,
Preparation and Prop. of Ethyldideuteramine and Dimethyldeuteramine,
J. Chem. Soc., 1939, 1939, 41. [all data]
Simon and Huter, 1935
Simon, A.; Huter, J.,
Vapor Pressure Curves, Melting Point and Chemical Constants of Dimethyl, Trimethyl- and Isobutylamines,
Z. Elektrochem., 1935, 41, 28. [all data]
Simon and Huter, 1935, 2
Simon, A.; Huter, J.,
Z. Elektrochem., 1935, 41, 294. [all data]
Wiberg and Sutterlin, 1935
Wiberg, E.; Sutterlin, W.,
The Vapor Pressures and Melting Points of Dimethyl- and Trimethylamine Trimethylamines,
Z. Elektrochem., 1935, 41, 151. [all data]
Timmermans and Mattaar, 1921
Timmermans, J.; Mattaar, J.F.,
Freezing points of orgainic substances VI. New experimental determinations.,
Bull. Soc. Chim. Belg., 1921, 30, 213. [all data]
Aston, Sagenkahn, et al., 1944, 2
Aston, J.G.; Sagenkahn, M.L.; Szasz, G.J.; Moessen, G.W.; Zuhr, H.F.,
The Heat Capacity and Entropy, Heats of Fusion and Vaporization and the Vapor Pressure of Trimethylamine. The Entropy From Spectroscopic and Molecular Data,
J. Am. Chem. Soc., 1944, 66, 1171. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Kay and Young, 1974
Kay, W.B.; Young, C.L.,
Int. DATA Ser., Sel. Data Mixtures, Ser. A, 1974, No. 2, 154. [all data]
Day and Felsing, 1950
Day, H.O.; Felsing, W.A.,
Some Vapor Pressures and the Critical COnstants of Trimethylamine,
J. Am. Chem. Soc., 1950, 72, 1698. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw,
Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2
. [all data]
Day and Felsing, 1950, 2
Day, H.O.; Felsing, W.A.,
Some Vapor Pressures and the Critical Constants of Trimethylamine,
J. Am. Chem. Soc., 1950, 72, 4, 1698-1699, https://doi.org/10.1021/ja01160a077
. [all data]
Swift and Hochanadel, 1945
Swift, Elijah; Hochanadel, Helen Phillips,
The Vapor Pressure of Trimethylamine from 0 to 40°,
J. Am. Chem. Soc., 1945, 67, 5, 880-881, https://doi.org/10.1021/ja01221a508
. [all data]
Aston, Sagenkahn, et al., 1944, 3
Aston, J.G.; Sagenkahn, M.L.; Szasz, G.J.; Moessen, G.W.; Zuhr, H.F.,
The heat capacity and entropy, heats of fusion and vaporization and the vapor pressure of trimethylamine. The entropy from spectroscopic and molecular data,
J. Am. Chem. Soc., 1944, 66, 1171-11. [all data]
Thompson and Linnett, 1936
Thompson, H.W.; Linnett, J.W.,
The vapour pressures and association of some metallic and non-metallic alkyls,
Trans. Faraday Soc., 1936, 32, 681-685. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [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 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]
Baldwin, Loudon, et al., 1977
Baldwin, M.A.; Loudon, A.G.; Webb, K.S.; Cardnell, P.C.,
Charge location and fragmentation under electron impact. V-The ionization potentials of (methylated) phosphoramides, guanidines, formamides, acetamides, ureas and thioureas,
Org. Mass Spectrom., 1977, 12, 279. [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]
Vovna and Vilesov, 1974
Vovna, V.I.; Vilesov, F.I.,
Photoelectron spectra the structure of molecular orbitals of methyl amines,
Opt. Spectrosc., 1974, 36, 251. [all data]
Akopyan and Loginov, 1974
Akopyan, M.E.; Loginov, Yu.V.,
Photoelectron spectra of trimethylamine derivatives,
Opt. Spectrosc., 1974, 37, 250, In original 442. [all data]
Maier and Turner, 1973
Maier, J.P.; Turner, D.W.,
Steric inhibition of resonance studied by molecular photoelectron spectroscopy Part 3. Anilines, Phenols and Related Compounds,
J. Chem. Soc. Faraday Trans. 2, 1973, 69, 521. [all data]
Adamchuk, Dmitriev, et al., 1972
Adamchuk, V.K.; Dmitriev, A.B.; Prudnikova, G.V.; Sorokin, L.S.,
Photoionization of low-volatility molecules in a Geiger counter,
Opt. Spectrosc., 1972, 33, 191, In original 358. [all data]
Cornford, Frost, et al., 1971
Cornford, A.B.; Frost, D.C.; Herring, F.G.; McDowell, C.A.,
Electronic levels of methyl amines by photoelectron spectroscopy and an i.n.d.o. calculation,
Can. J. Chem., 1971, 49, 1135. [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]
Elbel, Dieck, et al., 1982
Elbel, S.; Dieck, H.T.; Demuth, R.,
Photoelectron sSpectra of group V compounds. IX. The relative perfluoroalkyl substituent effect,
J. Fluorine Chem., 1982, 19, 349. [all data]
Kobayashi, 1978
Kobayashi, T.,
A simple general tendency in photoelectron angular distributions of some monosubstituted benzenes,
Phys. Lett., 1978, 69, 105. [all data]
Daamen and Oskam, 1978
Daamen, H.; Oskam, A.,
Bonding properties of some monosubstituted chromium and tungsten hexacarbonyls M(CO)5L (L=amine, substituted pyridine, azine),
Inorg. Chim. Acta, 1978, 26, 81. [all data]
Kimura and Osafune, 1975
Kimura, K.; Osafune, K.,
Sum rule consideration on valence orbital ionization energies in methyl amines,
Mol. Phys., 1975, 29, 1073. [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]
Elbel, Bergmann, et al., 1974
Elbel, S.; Bergmann, H.; EnBlin, W.,
Photoelectron spectra of the trimethyl compounds of the Group V elements,
J. Chem. Soc. Faraday Trans. 2., 1974, 70, 555. [all data]
Schafer and Schweig, 1972
Schafer, W.; Schweig, A.,
Zur Konjugation in aromatischen Aminen und Phosphanen,
Angew. Chem., 1972, 84, 898. [all data]
Lloyd and Lynaugh, 1972
Lloyd, D.R.; Lynaugh, N.,
Photoelectron studies of boron compounds. Part 3. Complexes of borane with Lewis bases,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 947. [all data]
Cradock, Ebsworth, et al., 1972
Cradock, S.; Ebsworth, E.A.V.; Savage, W.J.; Whiteford, R.A.,
Photoelectron spectra of some methyl, silyl and germyl amines, phosphines and arsines,
J. Chem. Soc. Faraday Trans. 2, 1972, 68, 934. [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]
Gowenlock, Jones, et al., 1961
Gowenlock, B.G.; Jones, P.P.; Majer, J.R.,
Bond dissociation energies in some molecules containing alkyl substituted CH3, NH2, and OH,
J. Chem. Soc. Faraday Trans., 1961, 57, 23. [all data]
Loudon and Webb, 1977
Loudon, A.G.; Webb, K.S.,
The nature of the [C2H6N]+ and [CH4N]+ ions formed by electron impact on methylated formamides, acetamides, ureas, thioureas and hexamethylphosphoramide,
Org. Mass Spectrom., 1977, 12, 283. [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]
Fisher and Henderson, 1967
Fisher, I.P.; Henderson, E.,
Mass spectrometry of free radicals,
J. Chem. Soc. Faraday Trans., 1967, 63, 1342. [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]
Taft, Martin, et al., 1965
Taft, R.W.; Martin, R.H.; Lampe, F.W.,
Stabilization energies of substituted methyl cations. The effect of strong demand on the resonance order,
J. Am. Chem. Soc., 1965, 87, 2490. [all data]
MacKay and Bohme, 1978
MacKay, G.I.; Bohme, D.K.,
Proton-Transfer Reactions in Nitromethane at 297K,
Int. J. Mass Spectrom. Ion Phys., 1978, 26, 4, 327, https://doi.org/10.1016/0020-7381(78)80052-7
. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Mass spectrum (electron ionization), References
- Symbols used in this document:
AE Appearance energy Cp,liquid Constant pressure heat capacity of liquid IE (evaluated) Recommended ionization energy Pc Critical pressure S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature Vc Critical volume ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ΔvapS Entropy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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