Dimethyl ether

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Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
ΔfH°gas-184.1 ± 0.50kJ/molCcbPilcher, Pell, et al., 1964ALS
Quantity Value Units Method Reference Comment
ΔcH°gas-1460.4 ± 0.46kJ/molCcbPilcher, Pell, et al., 1964Corresponding ΔfHºgas = -184.1 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
42.27100.Chao J., 1986p=1 bar. Selected values are in close agreement with other statistically calculated values [ Handi M.A., 1954, Seha Z., 1955, Banerjee S.C., 1964, Stull D.R., 1969] and ab initio result [ East A.L.L., 1997] at low temperatures. Discrepancies in S(1000 K) and Cp(1000 K) amount to about 5 and 3 J/mol*K, respectively, for [ Handi M.A., 1954, Banerjee S.C., 1964, Stull D.R., 1969].; GT
48.99150.
54.47200.
62.56273.15
65.57 ± 0.08298.15
65.80300.
78.68400.
91.36500.
102.86600.
113.03700.
121.99800.
129.84900.
136.701000.
142.691100.
147.891200.
152.411300.
156.351400.
159.771500.
166.571750.
171.502000.
175.152250.
177.912500.
180.032750.
181.703000.

Constant pressure heat capacity of gas

Cp,gas (J/mol*K) Temperature (K) Reference Comment
62.01272.20Kistiakowsky G.B., 1940GT
65.90300.76
70.33333.25
75.14370.42

Reaction thermochemistry data

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

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.

Reactions 1 to 50

Lithium ion (1+) + Dimethyl ether = (Lithium ion (1+) • Dimethyl ether)

By formula: Li+ + C2H6O = (Li+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°165. ± 11.kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°165.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
ΔrH°160.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
ΔrS°110.J/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
ΔrG°131.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
165. (+10.,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

C3H7O2+ + Dimethyl ether = (C3H7O2+ • Dimethyl ether)

By formula: C3H7O2+ + C2H6O = (C3H7O2+ • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°126.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrS°120.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrG°90.4kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

C4H9O2+ + Dimethyl ether = (C4H9O2+ • Dimethyl ether)

By formula: C4H9O2+ + C2H6O = (C4H9O2+ • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°125.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrS°122.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrG°88.7kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

(Sodium ion (1+) • Dimethyl ether) + Dimethyl ether = (Sodium ion (1+) • 2Dimethyl ether)

By formula: (Na+ • C2H6O) + C2H6O = (Na+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°85. ± 7.kJ/molAVGN/AAverage of 7 values; Individual data points

Sodium ion (1+) + Dimethyl ether = (Sodium ion (1+) • Dimethyl ether)

By formula: Na+ + C2H6O = (Na+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°100. ± 5.4kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
ΔrH°91.6 ± 4.6kJ/molCIDTArmentrout and Rodgers, 2000RCD
ΔrH°92.0 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°92.9 ± 5.0kJ/molCIDTMore, Ray, et al., 1997RCD

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
73.6298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD
73.6298.CIDCMcMahon and Ohanessian, 2000RCD

C10H10Fe+ + Dimethyl ether = (C10H10Fe+ • Dimethyl ether)

By formula: C10H10Fe+ + C2H6O = (C10H10Fe+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°40.kJ/molPHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M
Quantity Value Units Method Reference Comment
ΔrS°84.J/mol*KN/AMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
15.250.PHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M

(CH5O+ • 2Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • 2Methyl Alcohol)

By formula: (CH5O+ • 2CH4O) + C2H6O = (CH5O+ • C2H6O • 2CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°72.0kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
ΔrS°120.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

(CH5O+ • 3Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • 3Methyl Alcohol)

By formula: (CH5O+ • 3CH4O) + C2H6O = (CH5O+ • C2H6O • 3CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°57.3kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
ΔrS°129.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

(CH5O+ • Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • Methyl Alcohol)

By formula: (CH5O+ • CH4O) + C2H6O = (CH5O+ • C2H6O • CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°91.6kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
ΔrS°105.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

C2H7O+ + Dimethyl ether = (C2H7O+ • Dimethyl ether)

By formula: C2H7O+ + C2H6O = (C2H7O+ • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°134.kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; M
ΔrH°128.kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°133.J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; M
ΔrS°124.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

Potassium ion (1+) + Dimethyl ether = (Potassium ion (1+) • Dimethyl ether)

By formula: K+ + C2H6O = (K+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°72.8 ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°92.9kJ/molHPMSDavidson and Kebarle, 1976gas phase; M
ΔrH°87.0kJ/molHPMSDavidson and Kebarle, 1976, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°112.J/mol*KHPMSDavidson and Kebarle, 1976gas phase; M
ΔrS°104.J/mol*KHPMSDavidson and Kebarle, 1976, 2gas phase; M

CH5O+ + Dimethyl ether = (CH5O+ • Dimethyl ether)

By formula: CH5O+ + C2H6O = (CH5O+ • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°146.kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be ((CH3)2OH+; M
Quantity Value Units Method Reference Comment
ΔrS°103.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be ((CH3)2OH+; M

(C2H7O+ • Dimethyl ether • 2Water) + Dimethyl ether = (C2H7O+ • 2Dimethyl ether • 2Water)

By formula: (C2H7O+ • C2H6O • 2H2O) + C2H6O = (C2H7O+ • 2C2H6O • 2H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°66.1kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrS°153.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M

(C2H7O+ • Dimethyl ether) + Water = (C2H7O+ • Water • Dimethyl ether)

By formula: (C2H7O+ • C2H6O) + H2O = (C2H7O+ • H2O • C2H6O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°68.2kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrS°162.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M

(C2H7O+ • Dimethyl ether • Water) + Dimethyl ether = (C2H7O+ • 2Dimethyl ether • Water)

By formula: (C2H7O+ • C2H6O • H2O) + C2H6O = (C2H7O+ • 2C2H6O • H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°70.3kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°111.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 2Dimethyl ether • Water) + Dimethyl ether = (C2H7O+ • 3Dimethyl ether • Water)

By formula: (C2H7O+ • 2C2H6O • H2O) + C2H6O = (C2H7O+ • 3C2H6O • H2O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
ΔrH°90.8kJ/molPHPMSTholman, Tonner, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°174.J/mol*KPHPMSTholman, Tonner, et al., 1994gas phase; M

(C2H7O+ • 2Methyl Alcohol • Dimethyl ether) + Methyl Alcohol = (C2H7O+ • 3Methyl Alcohol • Dimethyl ether)

By formula: (C2H7O+ • 2CH4O • C2H6O) + CH4O = (C2H7O+ • 3CH4O • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°51.0kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°111.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Methyl Alcohol • Dimethyl ether) + Methyl Alcohol = (C2H7O+ • 2Methyl Alcohol • Dimethyl ether)

By formula: (C2H7O+ • CH4O • C2H6O) + CH4O = (C2H7O+ • 2CH4O • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°63.2kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°128.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Water • 2Dimethyl ether) + Water = (C2H7O+ • 2Water • 2Dimethyl ether)

By formula: (C2H7O+ • H2O • 2C2H6O) + H2O = (C2H7O+ • 2H2O • 2C2H6O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°47.7kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°127.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Water • 3Dimethyl ether) + Water = (C2H7O+ • 2Water • 3Dimethyl ether)

By formula: (C2H7O+ • H2O • 3C2H6O) + H2O = (C2H7O+ • 2H2O • 3C2H6O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°47.7kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°127.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 2Water • Dimethyl ether) + Water = (C2H7O+ • 3Water • Dimethyl ether)

By formula: (C2H7O+ • 2H2O • C2H6O) + H2O = (C2H7O+ • 3H2O • C2H6O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°48.5kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°112.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 2Water) + Dimethyl ether = (C2H7O+ • Dimethyl ether • 2Water)

By formula: (C2H7O+ • 2H2O) + C2H6O = (C2H7O+ • C2H6O • 2H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°68.6kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°95.4J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 3Water) + Dimethyl ether = (C2H7O+ • Dimethyl ether • 3Water)

By formula: (C2H7O+ • 3H2O) + C2H6O = (C2H7O+ • C2H6O • 3H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°70.7kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°138.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Water • Dimethyl ether) + Water = (C2H7O+ • 2Water • Dimethyl ether)

By formula: (C2H7O+ • H2O • C2H6O) + H2O = (C2H7O+ • 2H2O • C2H6O)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
ΔrH°56.9kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°103.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Water) + Dimethyl ether = (C2H7O+ • Dimethyl ether • Water)

By formula: (C2H7O+ • H2O) + C2H6O = (C2H7O+ • C2H6O • H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°77.4kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°110.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 2Methyl Alcohol) + Dimethyl ether = (C2H7O+ • Dimethyl ether • 2Methyl Alcohol)

By formula: (C2H7O+ • 2CH4O) + C2H6O = (C2H7O+ • C2H6O • 2CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°69.5kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°133.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 3Methyl Alcohol) + Dimethyl ether = (C2H7O+ • Dimethyl ether • 3Methyl Alcohol)

By formula: (C2H7O+ • 3CH4O) + C2H6O = (C2H7O+ • C2H6O • 3CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°52.3kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°107.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Dimethyl ether) + Methyl Alcohol = (C2H7O+ • Methyl Alcohol • Dimethyl ether)

By formula: (C2H7O+ • C2H6O) + CH4O = (C2H7O+ • CH4O • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°75.7kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°128.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Methyl Alcohol) + Dimethyl ether = (C2H7O+ • Dimethyl ether • Methyl Alcohol)

By formula: (C2H7O+ • CH4O) + C2H6O = (C2H7O+ • C2H6O • CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°84.5kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°125.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Dimethyl ether) + Dimethyl ether = (C2H7O+ • 2Dimethyl ether)

By formula: (C2H7O+ • C2H6O) + C2H6O = (C2H7O+ • 2C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°42.3kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°117.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

CH6N+ + Dimethyl ether = (CH6N+ • Dimethyl ether)

By formula: CH6N+ + C2H6O = (CH6N+ • C2H6O)

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

Quantity Value Units Method Reference Comment
ΔrH°90.0kJ/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°123.J/mol*KPHPMSMeot-Ner, 1984gas phase; M

(Lithium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Lithium ion (1+) • 3Dimethyl ether)

By formula: (Li+ • 2C2H6O) + C2H6O = (Li+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°89.1 ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
110. (+5.9,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

(Lithium ion (1+) • 3Dimethyl ether) + Dimethyl ether = (Lithium ion (1+) • 4Dimethyl ether)

By formula: (Li+ • 3C2H6O) + C2H6O = (Li+ • 4C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°68. ± 10.kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
95.4 (+6.7,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

(Lithium ion (1+) • Dimethyl ether) + Dimethyl ether = (Lithium ion (1+) • 2Dimethyl ether)

By formula: (Li+ • C2H6O) + C2H6O = (Li+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°121. ± 5.9kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
130. (+4.,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

Chlorine anion + Dimethyl ether = C2H6ClO-

By formula: Cl- + C2H6O = C2H6ClO-

Quantity Value Units Method Reference Comment
ΔrH°31.4 ± 1.7kJ/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°12. ± 4.2kJ/molTDAsBogdanov, Lee, et al., 2001gas phase; B

C2H5O- + Hydrogen cation = Dimethyl ether

By formula: C2H5O- + H+ = C2H6O

Quantity Value Units Method Reference Comment
ΔrH°1703. ± 8.4kJ/molBranDePuy, Bierbaum, et al., 1984gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°1666. ± 9.2kJ/molH-TSDePuy, Bierbaum, et al., 1984gas phase; B

(Sodium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Sodium ion (1+) • 3Dimethyl ether)

By formula: (Na+ • 2C2H6O) + C2H6O = (Na+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°69.9 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°66.9 ± 5.0kJ/molCIDTMore, Ray, et al., 1997RCD

(Sodium ion (1+) • 3Dimethyl ether) + Dimethyl ether = (Sodium ion (1+) • 4Dimethyl ether)

By formula: (Na+ • 3C2H6O) + C2H6O = (Na+ • 4C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°61.1 ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°58.2 ± 4.2kJ/molCIDTMore, Ray, et al., 1997RCD

(Potassium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Potassium ion (1+) • 3Dimethyl ether)

By formula: (K+ • 2C2H6O) + C2H6O = (K+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°56.9 ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD

(Potassium ion (1+) • 3Dimethyl ether) + Dimethyl ether = (Potassium ion (1+) • 4Dimethyl ether)

By formula: (K+ • 3C2H6O) + C2H6O = (K+ • 4C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°50.2 ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD

(Cesium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Cesium ion (1+) • 3Dimethyl ether)

By formula: (Cs+ • 2C2H6O) + C2H6O = (Cs+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°40. ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

(Cesium ion (1+) • Dimethyl ether) + Dimethyl ether = (Cesium ion (1+) • 2Dimethyl ether)

By formula: (Cs+ • C2H6O) + C2H6O = (Cs+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°46.9 ± 5.9kJ/molCIDTRodgers and Armentrout, 2000RCD

(Rubidium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Rubidium ion (1+) • 3Dimethyl ether)

By formula: (Rb+ • 2C2H6O) + C2H6O = (Rb+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°37. ± 11.kJ/molCIDTRodgers and Armentrout, 2000RCD

(Rubidium ion (1+) • Dimethyl ether) + Dimethyl ether = (Rubidium ion (1+) • 2Dimethyl ether)

By formula: (Rb+ • C2H6O) + C2H6O = (Rb+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°54.8 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

(Potassium ion (1+) • Dimethyl ether) + Dimethyl ether = (Potassium ion (1+) • 2Dimethyl ether)

By formula: (K+ • C2H6O) + C2H6O = (K+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°69.0 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

(Copper ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Copper ion (1+) • 3Dimethyl ether)

By formula: (Cu+ • 2C2H6O) + C2H6O = (Cu+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°54.8 ± 4.2kJ/molCIDTKoizumi, 2001RCD

(Copper ion (1+) • 3Dimethyl ether) + Dimethyl ether = (Copper ion (1+) • 4Dimethyl ether)

By formula: (Cu+ • 3C2H6O) + C2H6O = (Cu+ • 4C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°45. ± 10.kJ/molCIDTKoizumi, 2001RCD

(Copper ion (1+) • Dimethyl ether) + Dimethyl ether = (Copper ion (1+) • 2Dimethyl ether)

By formula: (Cu+ • C2H6O) + C2H6O = (Cu+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°193. ± 7.9kJ/molCIDTKoizumi, 2001RCD

Cesium ion (1+) + Dimethyl ether = (Cesium ion (1+) • Dimethyl ether)

By formula: Cs+ + C2H6O = (Cs+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°56.9 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

Rubidium ion (1+) + Dimethyl ether = (Rubidium ion (1+) • Dimethyl ether)

By formula: Rb+ + C2H6O = (Rb+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°61.9 ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, IR Spectrum, 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

View reactions leading to C2H6O+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)10.025 ± 0.025eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)792.kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity764.5kJ/molN/AHunter and Lias, 1998HL

Ionization energy determinations

IE (eV) Method Reference Comment
10.025 ± 0.025PIPECOButler, Holland, et al., 1984LBLHLM
9.95 ± 0.07EIBowen and Maccoll, 1984LBLHLM
10.04PEKimura, Katsumata, et al., 1981LLK
9.8 ± 0.1PEAue, Webb, et al., 1980LLK
9.8PEAue and Bowers, 1979LLK
10.01 ± 0.01PIBotter, Pechine, et al., 1977LLK
9.94 ± 0.01PECocksey, Eland, et al., 1971LLK
10.1 ± 0.2EIIvko, 1970RDSH
9.94PEDewar and Worley, 1969RDSH
9.96 ± 0.05SHernandez, 1963RDSH
10.00 ± 0.02PIWatanabe, 1957RDSH
10.0PEBajic, Humski, et al., 1985Vertical value; LBLHLM
10.1PEBieri, Asbrink, et al., 1982Vertical value; LBLHLM
11.94PEUtsunomiya, Kobayashi, et al., 1980Vertical value; LLK
10.0 ± 0.2PECarnovale, Livett, et al., 1980Vertical value; LLK
10.1PEAue and Bowers, 1979Vertical value; LLK
10.03PEKobayashi, 1978Vertical value; LLK
9.98PEBenoit and Harrison, 1977Vertical value; LLK
10.052PEAue, Webb, et al., 1975Vertical value; LLK
10.04PEBock, Mollere, et al., 1973Vertical value; LLK
10.04PECradock and Whiteford, 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CHO+≤12.85 ± 0.10H2+CH3PIPECOButler, Holland, et al., 1984T = 298K; LBLHLM
CHO+14.0 ± 0.2?EIIvko, 1970RDSH
CH3+≤14.4 ± 0.1CH2O+HPIPECOButler, Holland, et al., 1984T = 298K; LBLHLM
CH3+14.93 ± 0.13?EIHaney and Franklin, 1969RDSH
CH3O+≤11.85 ± 0.10CH3PIPECOButler, Holland, et al., 1984T = 298K; LBLHLM
CH3O+≤11.8CH3EILossing, 1977LLK
CH3O+12.4 ± 0.1CH3EIIvko, 1970RDSH
CH3O+11.95 ± 0.05CH3EIHaney and Franklin, 1969RDSH
C2H5O+11.115 ± 0.010HPIPECOButler, Holland, et al., 1984T = 0K; LBLHLM
C2H5O+10.99 ± 0.08HEIBowen and Maccoll, 1984LBLHLM
C2H5O+10.99HEILossing, 1977LLK
C2H5O+11.23 ± 0.04HEISolka and Russell, 1974LLK
C2H5O+10.70 ± 0.13HEIFinney and Harrison, 1972LLK
C2H5O+11.55 ± 0.15HEIIvko, 1970RDSH
C2H5O+11.42 ± 0.01HEIMartin, Lampe, et al., 1966RDSH

De-protonation reactions

C2H5O- + Hydrogen cation = Dimethyl ether

By formula: C2H5O- + H+ = C2H6O

Quantity Value Units Method Reference Comment
ΔrH°1703. ± 8.4kJ/molBranDePuy, Bierbaum, et al., 1984gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°1666. ± 9.2kJ/molH-TSDePuy, Bierbaum, et al., 1984gas phase; B

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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

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

(CH5O+ • Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • Methyl Alcohol)

By formula: (CH5O+ • CH4O) + C2H6O = (CH5O+ • C2H6O • CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°91.6kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
ΔrS°105.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

(CH5O+ • 2Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • 2Methyl Alcohol)

By formula: (CH5O+ • 2CH4O) + C2H6O = (CH5O+ • C2H6O • 2CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°72.0kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
ΔrS°120.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

(CH5O+ • 3Methyl Alcohol) + Dimethyl ether = (CH5O+ • Dimethyl ether • 3Methyl Alcohol)

By formula: (CH5O+ • 3CH4O) + C2H6O = (CH5O+ • C2H6O • 3CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°57.3kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
ΔrS°129.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

CH5O+ + Dimethyl ether = (CH5O+ • Dimethyl ether)

By formula: CH5O+ + C2H6O = (CH5O+ • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°146.kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be ((CH3)2OH+; M
Quantity Value Units Method Reference Comment
ΔrS°103.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be ((CH3)2OH+; M

CH6N+ + Dimethyl ether = (CH6N+ • Dimethyl ether)

By formula: CH6N+ + C2H6O = (CH6N+ • C2H6O)

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

Quantity Value Units Method Reference Comment
ΔrH°90.0kJ/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°123.J/mol*KPHPMSMeot-Ner, 1984gas phase; M

(C2H7O+ • Methyl Alcohol) + Dimethyl ether = (C2H7O+ • Dimethyl ether • Methyl Alcohol)

By formula: (C2H7O+ • CH4O) + C2H6O = (C2H7O+ • C2H6O • CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°84.5kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°125.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 2Methyl Alcohol) + Dimethyl ether = (C2H7O+ • Dimethyl ether • 2Methyl Alcohol)

By formula: (C2H7O+ • 2CH4O) + C2H6O = (C2H7O+ • C2H6O • 2CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°69.5kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°133.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 3Methyl Alcohol) + Dimethyl ether = (C2H7O+ • Dimethyl ether • 3Methyl Alcohol)

By formula: (C2H7O+ • 3CH4O) + C2H6O = (C2H7O+ • C2H6O • 3CH4O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°52.3kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°107.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

C2H7O+ + Dimethyl ether = (C2H7O+ • Dimethyl ether)

By formula: C2H7O+ + C2H6O = (C2H7O+ • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°134.kJ/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; M
ΔrH°128.kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°133.J/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; M
ΔrS°124.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

(C2H7O+ • Dimethyl ether) + Dimethyl ether = (C2H7O+ • 2Dimethyl ether)

By formula: (C2H7O+ • C2H6O) + C2H6O = (C2H7O+ • 2C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°42.3kJ/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°117.J/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

(C2H7O+ • Dimethyl ether • Water) + Dimethyl ether = (C2H7O+ • 2Dimethyl ether • Water)

By formula: (C2H7O+ • C2H6O • H2O) + C2H6O = (C2H7O+ • 2C2H6O • H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°70.3kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°111.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • Dimethyl ether • 2Water) + Dimethyl ether = (C2H7O+ • 2Dimethyl ether • 2Water)

By formula: (C2H7O+ • C2H6O • 2H2O) + C2H6O = (C2H7O+ • 2C2H6O • 2H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°66.1kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
ΔrS°153.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M

(C2H7O+ • 2Dimethyl ether • Water) + Dimethyl ether = (C2H7O+ • 3Dimethyl ether • Water)

By formula: (C2H7O+ • 2C2H6O • H2O) + C2H6O = (C2H7O+ • 3C2H6O • H2O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
ΔrH°90.8kJ/molPHPMSTholman, Tonner, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°174.J/mol*KPHPMSTholman, Tonner, et al., 1994gas phase; M

(C2H7O+ • Water) + Dimethyl ether = (C2H7O+ • Dimethyl ether • Water)

By formula: (C2H7O+ • H2O) + C2H6O = (C2H7O+ • C2H6O • H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°77.4kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°110.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 2Water) + Dimethyl ether = (C2H7O+ • Dimethyl ether • 2Water)

By formula: (C2H7O+ • 2H2O) + C2H6O = (C2H7O+ • C2H6O • 2H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°68.6kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°95.4J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

(C2H7O+ • 3Water) + Dimethyl ether = (C2H7O+ • Dimethyl ether • 3Water)

By formula: (C2H7O+ • 3H2O) + C2H6O = (C2H7O+ • C2H6O • 3H2O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°70.7kJ/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
ΔrS°138.J/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

C3H7O2+ + Dimethyl ether = (C3H7O2+ • Dimethyl ether)

By formula: C3H7O2+ + C2H6O = (C3H7O2+ • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°126.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrS°120.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrG°90.4kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

C4H9O2+ + Dimethyl ether = (C4H9O2+ • Dimethyl ether)

By formula: C4H9O2+ + C2H6O = (C4H9O2+ • C2H6O)

Bond type: Hydrogen bonds of the type OH-O between organics

Quantity Value Units Method Reference Comment
ΔrH°125.kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrS°122.J/mol*KN/ALarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M
Quantity Value Units Method Reference Comment
ΔrG°88.7kJ/molICRLarson and McMahon, 1982gas phase; switching reaction((CH3)2OH+)(CH3)2O, Entropy change calculated or estimated; Grimsrud and Kebarle, 1973, Lias, Liebman, et al., 1984, Keesee and Castleman, 1986; M

C10H10Fe+ + Dimethyl ether = (C10H10Fe+ • Dimethyl ether)

By formula: C10H10Fe+ + C2H6O = (C10H10Fe+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°40.kJ/molPHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M
Quantity Value Units Method Reference Comment
ΔrS°84.J/mol*KN/AMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
15.250.PHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, ΔrH<, DG<; M

Chlorine anion + Dimethyl ether = C2H6ClO-

By formula: Cl- + C2H6O = C2H6ClO-

Quantity Value Units Method Reference Comment
ΔrH°31.4 ± 1.7kJ/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
ΔrG°12. ± 4.2kJ/molTDAsBogdanov, Lee, et al., 2001gas phase; B

Cesium ion (1+) + Dimethyl ether = (Cesium ion (1+) • Dimethyl ether)

By formula: Cs+ + C2H6O = (Cs+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°56.9 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

(Cesium ion (1+) • Dimethyl ether) + Dimethyl ether = (Cesium ion (1+) • 2Dimethyl ether)

By formula: (Cs+ • C2H6O) + C2H6O = (Cs+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°46.9 ± 5.9kJ/molCIDTRodgers and Armentrout, 2000RCD

(Cesium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Cesium ion (1+) • 3Dimethyl ether)

By formula: (Cs+ • 2C2H6O) + C2H6O = (Cs+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°40. ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

Copper ion (1+) + Dimethyl ether = (Copper ion (1+) • Dimethyl ether)

By formula: Cu+ + C2H6O = (Cu+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°185. ± 12.kJ/molCIDTKoizumi, 2001RCD

(Copper ion (1+) • Dimethyl ether) + Dimethyl ether = (Copper ion (1+) • 2Dimethyl ether)

By formula: (Cu+ • C2H6O) + C2H6O = (Cu+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°193. ± 7.9kJ/molCIDTKoizumi, 2001RCD

(Copper ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Copper ion (1+) • 3Dimethyl ether)

By formula: (Cu+ • 2C2H6O) + C2H6O = (Cu+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°54.8 ± 4.2kJ/molCIDTKoizumi, 2001RCD

(Copper ion (1+) • 3Dimethyl ether) + Dimethyl ether = (Copper ion (1+) • 4Dimethyl ether)

By formula: (Cu+ • 3C2H6O) + C2H6O = (Cu+ • 4C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°45. ± 10.kJ/molCIDTKoizumi, 2001RCD

Potassium ion (1+) + Dimethyl ether = (Potassium ion (1+) • Dimethyl ether)

By formula: K+ + C2H6O = (K+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°72.8 ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°92.9kJ/molHPMSDavidson and Kebarle, 1976gas phase; M
ΔrH°87.0kJ/molHPMSDavidson and Kebarle, 1976, 2gas phase; M
Quantity Value Units Method Reference Comment
ΔrS°112.J/mol*KHPMSDavidson and Kebarle, 1976gas phase; M
ΔrS°104.J/mol*KHPMSDavidson and Kebarle, 1976, 2gas phase; M

(Potassium ion (1+) • Dimethyl ether) + Dimethyl ether = (Potassium ion (1+) • 2Dimethyl ether)

By formula: (K+ • C2H6O) + C2H6O = (K+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°69.0 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

(Potassium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Potassium ion (1+) • 3Dimethyl ether)

By formula: (K+ • 2C2H6O) + C2H6O = (K+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°56.9 ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD

(Potassium ion (1+) • 3Dimethyl ether) + Dimethyl ether = (Potassium ion (1+) • 4Dimethyl ether)

By formula: (K+ • 3C2H6O) + C2H6O = (K+ • 4C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°50.2 ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD

Lithium ion (1+) + Dimethyl ether = (Lithium ion (1+) • Dimethyl ether)

By formula: Li+ + C2H6O = (Li+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°165. ± 11.kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°165.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
ΔrH°160.kJ/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
ΔrS°110.J/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
ΔrG°131.kJ/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
165. (+10.,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

(Lithium ion (1+) • Dimethyl ether) + Dimethyl ether = (Lithium ion (1+) • 2Dimethyl ether)

By formula: (Li+ • C2H6O) + C2H6O = (Li+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°121. ± 5.9kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
130. (+4.,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

(Lithium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Lithium ion (1+) • 3Dimethyl ether)

By formula: (Li+ • 2C2H6O) + C2H6O = (Li+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°89.1 ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
110. (+5.9,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

(Lithium ion (1+) • 3Dimethyl ether) + Dimethyl ether = (Lithium ion (1+) • 4Dimethyl ether)

By formula: (Li+ • 3C2H6O) + C2H6O = (Li+ • 4C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°68. ± 10.kJ/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

ΔrH° (kJ/mol) T (K) Method Reference Comment
95.4 (+6.7,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

Sodium ion (1+) + Dimethyl ether = (Sodium ion (1+) • Dimethyl ether)

By formula: Na+ + C2H6O = (Na+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°100. ± 5.4kJ/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
ΔrH°91.6 ± 4.6kJ/molCIDTArmentrout and Rodgers, 2000RCD
ΔrH°92.0 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°92.9 ± 5.0kJ/molCIDTMore, Ray, et al., 1997RCD

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
73.6298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD
73.6298.CIDCMcMahon and Ohanessian, 2000RCD

(Sodium ion (1+) • Dimethyl ether) + Dimethyl ether = (Sodium ion (1+) • 2Dimethyl ether)

By formula: (Na+ • C2H6O) + C2H6O = (Na+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°85. ± 7.kJ/molAVGN/AAverage of 7 values; Individual data points

(Sodium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Sodium ion (1+) • 3Dimethyl ether)

By formula: (Na+ • 2C2H6O) + C2H6O = (Na+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°69.9 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°66.9 ± 5.0kJ/molCIDTMore, Ray, et al., 1997RCD

(Sodium ion (1+) • 3Dimethyl ether) + Dimethyl ether = (Sodium ion (1+) • 4Dimethyl ether)

By formula: (Na+ • 3C2H6O) + C2H6O = (Na+ • 4C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°61.1 ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
ΔrH°58.2 ± 4.2kJ/molCIDTMore, Ray, et al., 1997RCD

Rubidium ion (1+) + Dimethyl ether = (Rubidium ion (1+) • Dimethyl ether)

By formula: Rb+ + C2H6O = (Rb+ • C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°61.9 ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

(Rubidium ion (1+) • Dimethyl ether) + Dimethyl ether = (Rubidium ion (1+) • 2Dimethyl ether)

By formula: (Rb+ • C2H6O) + C2H6O = (Rb+ • 2C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°54.8 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

(Rubidium ion (1+) • 2Dimethyl ether) + Dimethyl ether = (Rubidium ion (1+) • 3Dimethyl ether)

By formula: (Rb+ • 2C2H6O) + C2H6O = (Rb+ • 3C2H6O)

Quantity Value Units Method Reference Comment
ΔrH°37. ± 11.kJ/molCIDTRodgers and Armentrout, 2000RCD

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, References, Notes

Data compiled by: Coblentz Society, Inc.

Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director

References

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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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Handi M.A., 1954
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Seha Z., 1955
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Banerjee S.C., 1964
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Stull D.R., 1969
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Woodin, R.L.; Beauchamp, J.L., Bonding of Li+ to Lewis Bases in the Gas Phase. Reversals in Methyl Substituent Effects for Different Reference Acids, J. Am. Chem. Soc., 1978, 100, 2, 501, https://doi.org/10.1021/ja00470a024 . [all data]

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Lias, Liebman, et al., 1984
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More, Ray, et al., 1997
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Davidson and Kebarle, 1976
Davidson, W.R.; Kebarle, P., Binding Energies and Stabilities of Potassium Ion Complexes with Ethylene Diamine and Dimethoxyethane (Glyme) from Measurements of the Complexing Equilibria in the Gas Phase, Can. J. Chem., 1976, 54, 16, 2594, https://doi.org/10.1139/v76-368 . [all data]

Davidson and Kebarle, 1976, 2
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Notes

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, References