Methylamine, N,N-dimethyl-

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δfgas-5.67 ± 0.18kcal/molEqkIssoire and Long, 1960Heat of formation derived by Cox and Pilcher, 1970; ALS
Δfgas-7.34kcal/molN/ALemoult, 1907Value computed using ΔfHliquid° value of -52.7 kj/mol from Lemoult, 1907 and ΔvapH° value of 22.0 kj/mol from Issoire and Long, 1960.; DRB

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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
Δfliquid-10.93 ± 0.17kcal/molEqkIssoire and Long, 1960Heat of formation derived by Cox and Pilcher, 1970; ALS
Δfliquid-12.6kcal/molCcbLemoult, 1907ALS
Quantity Value Units Method Reference Comment
Δcliquid-593.7kcal/molCcbMuller, 1910At 288 K; ALS
Δcliquid-580.8kcal/molCcbLemoult, 1907ALS
Quantity Value Units Method Reference Comment
liquid47.280cal/mol*KN/AAston, Sagenkahn, et al., 1944DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
31.680280.Aston, Sagenkahn, et al., 1944T = 12 to 280 K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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:
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
Tboil275. ± 5.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus155.95KN/ARoberts, Emeleus, et al., 1939Uncertainty assigned by TRC = 0.2 K; TRC
Tfus149.4KN/ASimon and Huter, 1935Uncertainty assigned by TRC = 0.5 K; TRC
Tfus155.95KN/ASimon and Huter, 1935, 2Uncertainty assigned by TRC = 2. K; TRC
Tfus155.85KN/AWiberg and Sutterlin, 1935Uncertainty assigned by TRC = 0.5 K; TRC
Tfus149.15KN/ATimmermans and Mattaar, 1921Uncertainty assigned by TRC = 1. K; TRC
Quantity Value Units Method Reference Comment
Ttriple156.08KN/AAston, Sagenkahn, et al., 1944, 2Uncertainty assigned by TRC = 0.05 K; based on T0 = 273.16 K; TRC
Quantity Value Units Method Reference Comment
Tc433.2KN/AMajer and Svoboda, 1985 
Tc432.79KN/AKay and Young, 1974Uncertainty assigned by TRC = 0.15 K; TRC
Tc433.3KN/ADay and Felsing, 1950Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Pc40.34atmN/AKay and Young, 1974Uncertainty assigned by TRC = 0.03 atm; TRC
Pc40.2380atmN/ADay and Felsing, 1950Uncertainty assigned by TRC = 0.1052 atm; TRC
Quantity Value Units Method Reference Comment
Vc30.l/molN/ADay and Felsing, 1950Uncertainty assigned by TRC = 0.07 l/mol; TRC
Quantity Value Units Method Reference Comment
Δvap5.301kcal/molN/AMajer and Svoboda, 1985 
Δvap5.26 ± 0.02kcal/molVIssoire and Long, 1960Heat of formation derived by Cox and Pilcher, 1970; ALS
Δvap5.26kcal/molN/AIssoire and Long, 1960DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
5.4821276.03N/AAston, Sagenkahn, et al., 1944P = 101.325 kPa; DH
5.483276.N/AMajer and Svoboda, 1985 
5.88261.AStephenson and Malanowski, 1987Based on data from 193. to 276. K. See also Aston, Sagenkahn, et al., 1944.; AC
5.50368.N/ADay and Felsing, 1950, 2Based on data from 333. to 403. K.; AC
5.76288.N/ASwift and Hochanadel, 1945Based on data from 273. to 313. K.; AC
5.482 ± 0.007276.03VAston, Sagenkahn, et al., 1944, 3ALS
5.86250.CAston, Sagenkahn, et al., 1944AC
5.820276.2VThompson and Linnett, 1936ALS

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kcal/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kcal/mol) β Tc (K) Reference Comment
250. to 276.8.7380.2824433.2Majer and Svoboda, 1985 

Entropy of vaporization

ΔvapS (cal/mol*K) Temperature (K) Reference Comment
19.86276.03Aston, Sagenkahn, et al., 1944P; DH

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
192.84 to 276.604.01042970.297-34.06Aston, Sagenkahn, et al., 1944Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
1.564156.08Aston, Sagenkahn, et al., 1944DH
1.56156.1Acree, 1991AC

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
10.02156.08Aston, Sagenkahn, et al., 1944DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, Ion clustering 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
B - John E. Bartmess
RCD - Robert C. Dunbar
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

Lithium ion (1+) + Methylamine, N,N-dimethyl- = (Lithium ion (1+) • Methylamine, N,N-dimethyl-)

By formula: Li+ + C3H9N = (Li+ • C3H9N)

Quantity Value Units Method Reference Comment
Δr42.1kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
Δr40.kcal/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970; M
Quantity Value Units Method Reference Comment
Δr28.cal/mol*KN/AWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Δr33.kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M

C3H10N+ + Methylamine, N,N-dimethyl- = (C3H10N+ • Methylamine, N,N-dimethyl-)

By formula: C3H10N+ + C3H9N = (C3H10N+ • C3H9N)

Quantity Value Units Method Reference Comment
Δr22.0kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M
Δr22.0kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr22.6kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M
Δr22.5kcal/molPHPMSYamdagni and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr27.2cal/mol*KPHPMSEl-Shall, Daly, et al., 1992gas phase; M
Δr27.2cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr32.0cal/mol*KPHPMSYamdagni and Kebarle, 1973gas phase; M

C3H9Sn+ + Methylamine, N,N-dimethyl- = (C3H9Sn+ • Methylamine, N,N-dimethyl-)

By formula: C3H9Sn+ + C3H9N = (C3H9Sn+ • C3H9N)

Quantity Value Units Method Reference Comment
Δr45.6kcal/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr32.cal/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
28.8525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

(C3H10N+ • Water • Methylamine, N,N-dimethyl-) + Water = (C3H10N+ • 2Water • Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • H2O • C3H9N) + H2O = (C3H10N+ • 2H2O • C3H9N)

Quantity Value Units Method Reference Comment
Δr8.1kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr25.cal/mol*KN/AEl-Shall, Daly, et al., 1992gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
2.5225.PHPMSEl-Shall, Daly, et al., 1992gas phase; Entropy change calculated or estimated; M

Potassium ion (1+) + Methylamine, N,N-dimethyl- = (Potassium ion (1+) • Methylamine, N,N-dimethyl-)

By formula: K+ + C3H9N = (K+ • C3H9N)

Quantity Value Units Method Reference Comment
Δr20.0kcal/molHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M
Quantity Value Units Method Reference Comment
Δr23.4cal/mol*KHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M
Quantity Value Units Method Reference Comment
Δr13.0kcal/molHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M

C3H8N- + Hydrogen cation = Methylamine, N,N-dimethyl-

By formula: C3H8N- + H+ = C3H9N

Quantity Value Units Method Reference Comment
Δr>406.22 ± 0.60kcal/molG+TSMacKay and Bohme, 1978gas phase; Computations put dHacid ca. 412 kcal/mol; B
Quantity Value Units Method Reference Comment
Δr>398.00kcal/molIMRBMacKay and Bohme, 1978gas phase; Computations put dHacid ca. 412 kcal/mol; B

(C3H10N+ • Methylamine, N,N-dimethyl-) + Methyl Alcohol = (C3H10N+ • Methyl Alcohol • Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • C3H9N) + CH4O = (C3H10N+ • CH4O • C3H9N)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr10.6kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M
Quantity Value Units Method Reference Comment
Δr25.2cal/mol*KPHPMSEl-Shall, Daly, et al., 1992gas phase; M

(C3H10N+ • 2Methylamine, N,N-dimethyl-) + Water = (C3H10N+ • Water • 2Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 2C3H9N) + H2O = (C3H10N+ • H2O • 2C3H9N)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr8.9kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M
Quantity Value Units Method Reference Comment
Δr24.3cal/mol*KPHPMSEl-Shall, Daly, et al., 1992gas phase; M

(C3H10N+ • Methyl Alcohol • Methylamine, N,N-dimethyl-) + Methyl Alcohol = (C3H10N+ • 2Methyl Alcohol • Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • CH4O • C3H9N) + CH4O = (C3H10N+ • 2CH4O • C3H9N)

Bond type: Hydrogen bonds of the type NH+-O between organics

Quantity Value Units Method Reference Comment
Δr9.5kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M

(C3H10N+ • Methylamine, N,N-dimethyl- • Water) + Methylamine, N,N-dimethyl- = (C3H10N+ • 2Methylamine, N,N-dimethyl- • Water)

By formula: (C3H10N+ • C3H9N • H2O) + C3H9N = (C3H10N+ • 2C3H9N • H2O)

Quantity Value Units Method Reference Comment
Δr11.0kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M

(C3H10N+ • 2Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 3Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 2C3H9N) + C3H9N = (C3H10N+ • 3C3H9N)

Quantity Value Units Method Reference Comment
Δr6.5kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

(C3H10N+ • 3Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 4Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 3C3H9N) + C3H9N = (C3H10N+ • 4C3H9N)

Quantity Value Units Method Reference Comment
Δr8.3kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

(C3H10N+ • 4Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 5Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 4C3H9N) + C3H9N = (C3H10N+ • 5C3H9N)

Quantity Value Units Method Reference Comment
Δr8.8kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

(C3H10N+ • 5Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 6Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 5C3H9N) + C3H9N = (C3H10N+ • 6C3H9N)

Quantity Value Units Method Reference Comment
Δr7.4kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

Sodium ion (1+) + Methylamine, N,N-dimethyl- = (Sodium ion (1+) • Methylamine, N,N-dimethyl-)

By formula: Na+ + C3H9N = (Na+ • C3H9N)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
19.0298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

(C3H10N+ • Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 2Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • C3H9N) + C3H9N = (C3H10N+ • 2C3H9N)

Quantity Value Units Method Reference Comment
Δr6.9kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

2Ethylamine = Methylamine + Methylamine, N,N-dimethyl-

By formula: 2C2H7N = CH5N + C3H9N

Quantity Value Units Method Reference Comment
Δr-3.15kcal/molEqkIssoire and Long, 1960gas phase; ALS

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Ion clustering 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:
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 ± 0.05eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)226.8kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity219.4kcal/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
7.8PEAue and Bowers, 1979LLK
8.40EIBaldwin, Loudon, et al., 1977LLK
7.8 ± 0.1PEAue, Webb, et al., 1976LLK
7.88PEVovna and Vilesov, 1974LLK
7.83 ± 0.05PEAkopyan and Loginov, 1974LLK
7.83 ± 0.02PEMaier and Turner, 1973LLK
7.95 ± 0.10PIAdamchuk, Dmitriev, et al., 1972LLK
7.80PECornford, Frost, et al., 1971LLK
7.82 ± 0.02PIWatanabe and Mottl, 1957RDSH
8.54PEElbel, Dieck, et al., 1982Vertical value; LBLHLM
8.47PEKobayashi, 1978Vertical value; LLK
8.45PEDaamen and Oskam, 1978Vertical value; LLK
8.44PEKimura and Osafune, 1975Vertical value; LLK
8.560PEAue, Webb, et al., 1975Vertical value; LLK
8.54PEElbel, Bergmann, et al., 1974Vertical value; LLK
8.5PESchafer and Schweig, 1972Vertical value; LLK
8.45 ± 0.01PELloyd and Lynaugh, 1972Vertical value; LLK
8.5 ± 0.1PECradock, Ebsworth, et al., 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH3+14.9(CH3)2NEISenSharma and Franklin, 1973LLK
CH3+14.0 ± 0.1?EIGowenlock, Jones, et al., 1961RDSH
C2H6N+11.25CH3EILoudon and Webb, 1977LLK
C2H6N+10.68 ± 0.09CH3EISolka and Russell, 1974LLK
C2H6N+12.3 ± 0.1CH3EIFisher and Henderson, 1967RDSH
C2H6N+12.3 ± 0.1CH3EIGowenlock, Jones, et al., 1961RDSH
C3H8N+9.38HEILossing, Lam, et al., 1981LLK
C3H8N+10.55?EILoudon and Webb, 1977LLK
C3H8N+9.8 ± 0.1HEITaft, Martin, et al., 1965RDSH

De-protonation reactions

C3H8N- + Hydrogen cation = Methylamine, N,N-dimethyl-

By formula: C3H8N- + H+ = C3H9N

Quantity Value Units Method Reference Comment
Δr>406.22 ± 0.60kcal/molG+TSMacKay and Bohme, 1978gas phase; Computations put dHacid ca. 412 kcal/mol; B
Quantity Value Units Method Reference Comment
Δr>398.00kcal/molIMRBMacKay and Bohme, 1978gas phase; Computations put dHacid ca. 412 kcal/mol; B

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, 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:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

C3H9Sn+ + Methylamine, N,N-dimethyl- = (C3H9Sn+ • Methylamine, N,N-dimethyl-)

By formula: C3H9Sn+ + C3H9N = (C3H9Sn+ • C3H9N)

Quantity Value Units Method Reference Comment
Δr45.6kcal/molPHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr32.cal/mol*KN/AStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
28.8525.PHPMSStone and Splinter, 1984gas phase; switching reaction((CH3)3Sn+)CH3OH, Entropy change calculated or estimated; M

C3H10N+ + Methylamine, N,N-dimethyl- = (C3H10N+ • Methylamine, N,N-dimethyl-)

By formula: C3H10N+ + C3H9N = (C3H10N+ • C3H9N)

Quantity Value Units Method Reference Comment
Δr22.0kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M
Δr22.0kcal/molPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr22.6kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M
Δr22.5kcal/molPHPMSYamdagni and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Δr27.2cal/mol*KPHPMSEl-Shall, Daly, et al., 1992gas phase; M
Δr27.2cal/mol*KPHPMSMeot-Ner (Mautner), 1992gas phase; M
Δr32.0cal/mol*KPHPMSYamdagni and Kebarle, 1973gas phase; M

(C3H10N+ • Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 2Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • C3H9N) + C3H9N = (C3H10N+ • 2C3H9N)

Quantity Value Units Method Reference Comment
Δr6.9kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

(C3H10N+ • 2Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 3Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 2C3H9N) + C3H9N = (C3H10N+ • 3C3H9N)

Quantity Value Units Method Reference Comment
Δr6.5kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

(C3H10N+ • 3Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 4Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 3C3H9N) + C3H9N = (C3H10N+ • 4C3H9N)

Quantity Value Units Method Reference Comment
Δr8.3kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

(C3H10N+ • 4Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 5Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 4C3H9N) + C3H9N = (C3H10N+ • 5C3H9N)

Quantity Value Units Method Reference Comment
Δr8.8kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

(C3H10N+ • 5Methylamine, N,N-dimethyl-) + Methylamine, N,N-dimethyl- = (C3H10N+ • 6Methylamine, N,N-dimethyl-)

By formula: (C3H10N+ • 5C3H9N) + C3H9N = (C3H10N+ • 6C3H9N)

Quantity Value Units Method Reference Comment
Δr7.4kcal/molMKERWei, Tzeng, et al., 1991gas phase; from graph; M

(C3H10N+ • Methylamine, N,N-dimethyl- • Water) + Methylamine, N,N-dimethyl- = (C3H10N+ • 2Methylamine, N,N-dimethyl- • Water)

By formula: (C3H10N+ • C3H9N • H2O) + C3H9N = (C3H10N+ • 2C3H9N • H2O)

Quantity Value Units Method Reference Comment
Δr11.0kcal/molPHPMSEl-Shall, Daly, et al., 1992gas phase; M

Potassium ion (1+) + Methylamine, N,N-dimethyl- = (Potassium ion (1+) • Methylamine, N,N-dimethyl-)

By formula: K+ + C3H9N = (K+ • C3H9N)

Quantity Value Units Method Reference Comment
Δr20.0kcal/molHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M
Quantity Value Units Method Reference Comment
Δr23.4cal/mol*KHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M
Quantity Value Units Method Reference Comment
Δr13.0kcal/molHPMSDavidson and Kebarle, 1976gas phase; switching reaction(K+)H2O; Davidson and Kebarle, 1976, 2; M

Lithium ion (1+) + Methylamine, N,N-dimethyl- = (Lithium ion (1+) • Methylamine, N,N-dimethyl-)

By formula: Li+ + C3H9N = (Li+ • C3H9N)

Quantity Value Units Method Reference Comment
Δr42.1kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
Δr40.kcal/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970; M
Quantity Value Units Method Reference Comment
Δr28.cal/mol*KN/AWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Δr33.kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M

Sodium ion (1+) + Methylamine, N,N-dimethyl- = (Sodium ion (1+) • Methylamine, N,N-dimethyl-)

By formula: Na+ + C3H9N = (Na+ • C3H9N)

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
19.0298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References