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Dimethyl ether

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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
Deltafgas-43.99 ± 0.12kcal/molCcbPilcher, Pell, et al., 1964ALS
Quantity Value Units Method Reference Comment
Deltacgas-349.04 ± 0.11kcal/molCcbPilcher, Pell, et al., 1964Corresponding «DELTA»fgas = -44.01 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
10.10100.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
11.71150.
13.02200.
14.95273.15
15.67 ± 0.02298.15
15.73300.
18.80400.
21.84500.
24.584600.
27.015700.
29.156800.
31.033900.
32.6721000.
34.1041100.
35.3471200.
36.4271300.
37.3691400.
38.1861500.
39.8111750.
40.9892000.
41.8622250.
42.5222500.
43.0282750.
43.4273000.

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
14.82272.20Kistiakowsky G.B., 1940GT
15.75300.76
16.81333.25
17.96370.42

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid35.031cal/mol*KN/AKennedy, Sagenkahn, et al., 1941 

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
24.450240.Kennedy, Sagenkahn, et al., 1941T = 14 to 240 K.

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil249. ± 1.KAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus131.65KN/AAnonymous, 1968TRC
Tfus135.2KN/AMaass and Boomer, 1922Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Ttriple131.64KN/AWilhoit, Chao, et al., 1985Uncertainty assigned by TRC = 0.05 K; TRC
Ttriple131.66KN/AKennedy, Sagenkahn, et al., 1941, 2Uncertainty assigned by TRC = 0.06 K; TRC
Quantity Value Units Method Reference Comment
Tc401. ± 2.KAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Pc53. ± 3.atmAVGN/AAverage of 8 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.164l/molN/AZawisza and Glowka, 1970Uncertainty assigned by TRC = 0.003 l/mol; TRC
Quantity Value Units Method Reference Comment
rhoc5.351mol/lN/AEdwards and Maass, 1935Uncertainty assigned by TRC = 0.43 mol/l; TRC
rhoc4.895mol/lN/ATapp, Steacie, et al., 1933Uncertainty assigned by TRC = 0.65 mol/l; TRC
rhoc5.891mol/lN/ACardoso and Coppola, 1923Uncertainty assigned by TRC = 0.07 mol/l; extraplation of rectilinear diameter, from obs L and G densities, to Tc = 126.9 deg C, from previous literature; TRC
Quantity Value Units Method Reference Comment
Deltavap4.61kcal/molN/AMajer and Svoboda, 1985 
Deltavap4.42kcal/molN/AAmbrose, Ellender, et al., 1976Based on data from 171. - 248. K.; AC

Enthalpy of vaporization

DeltavapH (kcal/mol) Temperature (K) Method Reference Comment
5.1410248.34N/AKennedy, Sagenkahn, et al., 1941P = 101.325 kPa; DH
5.141248.3N/AMajer and Svoboda, 1985 
5.40250.AStephenson and Malanowski, 1987Based on data from 183. - 265. K.; AC
5.45234.AStephenson and Malanowski, 1987Based on data from 180. - 249. K.; AC
5.07308.AStephenson and Malanowski, 1987Based on data from 293. - 360. K.; AC
5.04364.AStephenson and Malanowski, 1987Based on data from 349. - 400. K.; AC
5.31256.AStephenson and Malanowski, 1987Based on data from 241. - 303. K.; AC
5.11248.N/AAmbrose, Ellender, et al., 1976Based on data from 171. - 248. K.; AC
5.43233.N/AKennedy, Sagenkahn, et al., 1941Based on data from 195. - 248. K.; AC
5.14 ± 0.02248.CKennedy, Sagenkahn, et al., 1941AC

Entropy of vaporization

DeltavapS (cal/mol*K) Temperature (K) Reference Comment
20.70248.34Kennedy, Sagenkahn, et al., 1941P; 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
194.93 - 248.244.10904894.669-30.604Kennedy, Sagenkahn, et al., 1941Coefficents calculated by NIST from author's data.

Enthalpy of fusion

DeltafusH (kcal/mol) Temperature (K) Reference Comment
1.1798131.66Kennedy, Sagenkahn, et al., 1941DH
1.18131.7Domalski and Hearing, 1996AC

Entropy of fusion

DeltafusS (cal/mol*K) Temperature (K) Reference Comment
8.960131.66Kennedy, Sagenkahn, et al., 1941DH

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, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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+) bullet Dimethyl ether)

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

Quantity Value Units Method Reference Comment
Deltar39.4 ± 2.6kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar39.5kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
Deltar39.kcal/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Deltar27.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
Deltar31.3kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
39.4 (+2.5,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

C3H7O2+ + Dimethyl ether = (C3H7O2+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar30.2kcal/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
Deltar28.8cal/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
Deltar21.6kcal/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+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar29.9kcal/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
Deltar29.1cal/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
Deltar21.2kcal/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+) bullet Dimethyl ether) + Dimethyl ether = (Sodium ion (1+) bullet 2Dimethyl ether)

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

Quantity Value Units Method Reference Comment
Deltar20. ± 2.kcal/molAVGN/AAverage of 7 values; Individual data points

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

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

Quantity Value Units Method Reference Comment
Deltar24.0 ± 1.3kcal/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Deltar21.9 ± 1.1kcal/molCIDTArmentrout and Rodgers, 2000RCD
Deltar22.0 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar22.2 ± 1.2kcal/molCIDTMore, Ray, et al., 1997RCD

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
17.6298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD
17.6298.CIDCMcMahon and Ohanessian, 2000RCD

C10H10Fe+ + Dimethyl ether = (C10H10Fe+ bullet Dimethyl ether)

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

Quantity Value Units Method Reference Comment
Deltar9.kcal/molPHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, «DELTA»rH<, DG<; M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KN/AMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, «DELTA»rH<, DG<; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
3.7250.PHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, «DELTA»rH<, DG<; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar17.2kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Deltar28.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar13.7kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Deltar30.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar21.9kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Deltar25.2cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

C2H7O+ + Dimethyl ether = (C2H7O+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar32.0kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; M
Deltar30.7kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar31.9cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; M
Deltar29.6cal/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

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

By formula: K+ + C2H6O = (K+ bullet C2H6O)

Quantity Value Units Method Reference Comment
Deltar17.4 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar22.2kcal/molHPMSDavidson and Kebarle, 1976gas phase; M
Deltar20.8kcal/molHPMSDavidson and Kebarle, 1976, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar26.8cal/mol*KHPMSDavidson and Kebarle, 1976gas phase; M
Deltar24.8cal/mol*KHPMSDavidson and Kebarle, 1976, 2gas phase; M

CH5O+ + Dimethyl ether = (CH5O+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar35.0kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be ((CH3)2OH+; M
Quantity Value Units Method Reference Comment
Deltar24.7cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be ((CH3)2OH+; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar15.8kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar36.5cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar16.3kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar38.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar16.8kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Deltar21.7kcal/molPHPMSTholman, Tonner, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Deltar41.6cal/mol*KPHPMSTholman, Tonner, et al., 1994gas phase; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar12.2kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.5cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar15.1kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar30.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar11.4kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar30.3cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar11.4kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar30.3cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar11.6kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar16.4kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar22.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar16.9kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar32.9cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Deltar13.6kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar24.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar18.5kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.3cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar16.6kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar31.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar12.5kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar25.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar18.1kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar30.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar20.2kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar29.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar10.1kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar27.9cal/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

CH6N+ + Dimethyl ether = (CH6N+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar21.5kcal/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar29.3cal/mol*KPHPMSMeot-Ner, 1984gas phase; M

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

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

Quantity Value Units Method Reference Comment
Deltar21.3 ± 1.9kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
26.3 (+1.4,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

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

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

Quantity Value Units Method Reference Comment
Deltar16.3 ± 2.4kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
22.8 (+1.6,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

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

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

Quantity Value Units Method Reference Comment
Deltar28.9 ± 1.4kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
31.1 (+0.9,-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
Deltar7.50 ± 0.40kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.9 ± 1.0kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B

C2H5O- + Hydrogen cation = Dimethyl ether

By formula: C2H5O- + H+ = C2H6O

Quantity Value Units Method Reference Comment
Deltar407.0 ± 2.0kcal/molBranDePuy, Bierbaum, et al., 1984gas phase; B
Quantity Value Units Method Reference Comment
Deltar398.2 ± 2.2kcal/molH-TSDePuy, Bierbaum, et al., 1984gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar16.7 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar16.0 ± 1.2kcal/molCIDTMore, Ray, et al., 1997RCD

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

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

Quantity Value Units Method Reference Comment
Deltar14.6 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar13.9 ± 1.0kcal/molCIDTMore, Ray, et al., 1997RCD

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

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

Quantity Value Units Method Reference Comment
Deltar13.6 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar12.0 ± 1.9kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar9.6 ± 2.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar11.2 ± 1.4kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar8.8 ± 2.6kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar13.1 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar16.5 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar13.1 ± 1.0kcal/molCIDTKoizumi, 2001RCD

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

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

Quantity Value Units Method Reference Comment
Deltar10.8 ± 2.4kcal/molCIDTKoizumi, 2001RCD

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

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

Quantity Value Units Method Reference Comment
Deltar46.1 ± 1.9kcal/molCIDTKoizumi, 2001RCD

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

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

Quantity Value Units Method Reference Comment
Deltar13.6 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar14.8 ± 2.2kcal/molCIDTRodgers and Armentrout, 2000RCD

Henry's Law data

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, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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: Rolf Sander

Henry's Law constant (water solution)

kH(T) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
H = Henry's law constant for solubility in water at 298.15 K (mol/kg*bar)
d(ln(kH))/d(1/T) = Temperature dependence constant (K)

H (mol/kg*bar) d(ln(kH))/d(1/T) (K) Method Reference
1.0 VN/A
0.99 RN/A

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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)189.kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity182.7kcal/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
Deltar407.0 ± 2.0kcal/molBranDePuy, Bierbaum, et al., 1984gas phase; B
Quantity Value Units Method Reference Comment
Deltar398.2 ± 2.2kcal/molH-TSDePuy, Bierbaum, et al., 1984gas phase; B

Ion clustering data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, 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+ bullet Methyl Alcohol) + Dimethyl ether = (CH5O+ bullet Dimethyl ether bullet Methyl Alcohol)

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

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

Quantity Value Units Method Reference Comment
Deltar21.9kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Deltar25.2cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar17.2kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Deltar28.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar13.7kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M
Quantity Value Units Method Reference Comment
Deltar30.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be (CH3)2OH+; M

CH5O+ + Dimethyl ether = (CH5O+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar35.0kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be ((CH3)2OH+; M
Quantity Value Units Method Reference Comment
Deltar24.7cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, note proton affinities, core ion may be ((CH3)2OH+; M

CH6N+ + Dimethyl ether = (CH6N+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar21.5kcal/molPHPMSMeot-Ner, 1984gas phase; M
Quantity Value Units Method Reference Comment
Deltar29.3cal/mol*KPHPMSMeot-Ner, 1984gas phase; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar20.2kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar29.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar16.6kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar31.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar12.5kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar25.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

C2H7O+ + Dimethyl ether = (C2H7O+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar32.0kcal/molPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; M
Deltar30.7kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar31.9cal/mol*KPHPMSMeot-Ner (Mautner) and Sieck, 1991gas phase; M
Deltar29.6cal/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar10.1kcal/molPHPMSGrimsrud and Kebarle, 1973gas phase; M
Quantity Value Units Method Reference Comment
Deltar27.9cal/mol*KPHPMSGrimsrud and Kebarle, 1973gas phase; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar16.8kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.6cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar15.8kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M
Quantity Value Units Method Reference Comment
Deltar36.5cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n, Entropy change is questionable; M

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

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

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Deltar21.7kcal/molPHPMSTholman, Tonner, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Deltar41.6cal/mol*KPHPMSTholman, Tonner, et al., 1994gas phase; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar18.5kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar26.3cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar16.4kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar22.8cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

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

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

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

Quantity Value Units Method Reference Comment
Deltar16.9kcal/molPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M
Quantity Value Units Method Reference Comment
Deltar32.9cal/mol*KPHPMSHiraoka, Grimsrud, et al., 1974gas phase; n; M

C3H7O2+ + Dimethyl ether = (C3H7O2+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar30.2kcal/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
Deltar28.8cal/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
Deltar21.6kcal/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+ bullet Dimethyl ether)

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

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

Quantity Value Units Method Reference Comment
Deltar29.9kcal/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
Deltar29.1cal/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
Deltar21.2kcal/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+ bullet Dimethyl ether)

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

Quantity Value Units Method Reference Comment
Deltar9.kcal/molPHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, «DELTA»rH<, DG<; M
Quantity Value Units Method Reference Comment
Deltar20.cal/mol*KN/AMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, «DELTA»rH<, DG<; M

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
3.7250.PHPMSMeot-Ner (Mautner), 1989gas phase; Entropy change calculated or estimated, «DELTA»rH<, DG<; M

Chlorine anion + Dimethyl ether = C2H6ClO-

By formula: Cl- + C2H6O = C2H6ClO-

Quantity Value Units Method Reference Comment
Deltar7.50 ± 0.40kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B
Quantity Value Units Method Reference Comment
Deltar2.9 ± 1.0kcal/molTDAsBogdanov, Lee, et al., 2001gas phase; B

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

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

Quantity Value Units Method Reference Comment
Deltar13.6 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar11.2 ± 1.4kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar9.6 ± 2.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar44.2 ± 2.9kcal/molCIDTKoizumi, 2001RCD

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

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

Quantity Value Units Method Reference Comment
Deltar46.1 ± 1.9kcal/molCIDTKoizumi, 2001RCD

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

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

Quantity Value Units Method Reference Comment
Deltar13.1 ± 1.0kcal/molCIDTKoizumi, 2001RCD

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

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

Quantity Value Units Method Reference Comment
Deltar10.8 ± 2.4kcal/molCIDTKoizumi, 2001RCD

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

By formula: K+ + C2H6O = (K+ bullet C2H6O)

Quantity Value Units Method Reference Comment
Deltar17.4 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar22.2kcal/molHPMSDavidson and Kebarle, 1976gas phase; M
Deltar20.8kcal/molHPMSDavidson and Kebarle, 1976, 2gas phase; M
Quantity Value Units Method Reference Comment
Deltar26.8cal/mol*KHPMSDavidson and Kebarle, 1976gas phase; M
Deltar24.8cal/mol*KHPMSDavidson and Kebarle, 1976, 2gas phase; M

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

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

Quantity Value Units Method Reference Comment
Deltar16.5 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar13.6 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar12.0 ± 1.9kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar39.4 ± 2.6kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar39.5kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M
Deltar39.kcal/molICRStaley and Beauchamp, 1975gas phase; switching reaction(Li+)H2O, from graph; Dzidic and Kebarle, 1970 extrapolated; M
Quantity Value Units Method Reference Comment
Deltar27.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
Deltar31.3kcal/molICRWoodin and Beauchamp, 1978gas phase; switching reaction(Li+)H2O, Entropy change calculated or estimated; Dzidic and Kebarle, 1970 extrapolated; M

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
39.4 (+2.5,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

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

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

Quantity Value Units Method Reference Comment
Deltar28.9 ± 1.4kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
31.1 (+0.9,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

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

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

Quantity Value Units Method Reference Comment
Deltar21.3 ± 1.9kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
26.3 (+1.4,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

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

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

Quantity Value Units Method Reference Comment
Deltar16.3 ± 2.4kcal/molCIDTRodgers and Armentrout, 2000RCD

Enthalpy of reaction

DeltarH° (kcal/mol) T (K) Method Reference Comment
22.8 (+1.6,-0.) CIDMore, Gledening, et al., 1996gas phase; guided ion beam CID; M

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

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

Quantity Value Units Method Reference Comment
Deltar24.0 ± 1.3kcal/molCIDCAmicangelo and Armentrout, 2001Anchor NH3=24.41; RCD
Deltar21.9 ± 1.1kcal/molCIDTArmentrout and Rodgers, 2000RCD
Deltar22.0 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar22.2 ± 1.2kcal/molCIDTMore, Ray, et al., 1997RCD

Free energy of reaction

DeltarG° (kcal/mol) T (K) Method Reference Comment
17.6298.IMREMcMahon and Ohanessian, 2000Anchor alanine=39.89; RCD
17.6298.CIDCMcMahon and Ohanessian, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar20. ± 2.kcal/molAVGN/AAverage of 7 values; Individual data points

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

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

Quantity Value Units Method Reference Comment
Deltar16.7 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar16.0 ± 1.2kcal/molCIDTMore, Ray, et al., 1997RCD

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

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

Quantity Value Units Method Reference Comment
Deltar14.6 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD
Deltar13.9 ± 1.0kcal/molCIDTMore, Ray, et al., 1997RCD

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

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

Quantity Value Units Method Reference Comment
Deltar14.8 ± 2.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar13.1 ± 1.2kcal/molCIDTRodgers and Armentrout, 2000RCD

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

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

Quantity Value Units Method Reference Comment
Deltar8.8 ± 2.6kcal/molCIDTRodgers and Armentrout, 2000RCD

IR Spectrum

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, References, Notes

Data compiled by: Coblentz Society, Inc.

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


Mass spectrum (electron ionization)

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Vibrational and/or electronic energy levels, 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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Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
NIST MS number 78

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Vibrational and/or electronic energy levels

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, 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 by: Takehiko Shimanouchi

Symmetry:   C2nu     Symmetry Number sigma = 2


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

a1 1 CH3 d-str 2996  B 2996 S gas 2989 S liq.
a1 2 CH3 s-str 2817  B 2817 S gas 2815 VS p liq.
a1 3 CH3 d-deform 1464  D 1464 M gas
a1 4 CH3 s-deform 1452  D 1452 M gas 1452 S dp liq.
a1 5 CH3 rock 1244  B 1244 W gas
a1 6 CO s-str 928  B 928 S gas 922 S p liq.
a1 7 COC deform 418  C 418 M gas 428 M p liq.
a2 8 CH3 d-str 2952  C  ia 2952 S liq.
a2 9 CH3 d-deform 1464  D  ia SF(«nu»3)
a2 10 CH3 rock 1150  C  ia 1150 M d liq.
a2 11 Torsion 203  E  ia CF
b1 12 CH3 d-str 2996  B 2996 S gas 2989 S liq. OV(«nu»1)
b1 13 CH3 s-str 2817  B 2817 S gas 2815 VS p liq. OV(«nu»2)
b1 14 CH3 d-deform 1464  D 1464 M gas OV(«nu»3)
b1 15 CH3 s-deform 1452  D 1452 M gas 1452 S dp liq. OV(«nu»4)
b1 16 CH3 rock 1227  C 1227 W liq.
b1 17 CO a-str 1102  B 1102 VS gas 1104 M dp liq.
b2 18 CH3 d-str 2925  B 2925 S gas
b2 19 CH3 d-deform 1464  D 1464 M gas OV(«nu»3)
b2 20 CH3 rock 1179  B 1179 VS gas 1170 sh liq.
b2 21 Torsion 242  C 242 W gas

Source: Shimanouchi, 1972

Notes

dPhotodissociation threshold
VSVery strong
SStrong
MMedium
WWeak
iaInactive
shShoulder
pPolarized
dpDepolarized
CFCalculated frequency
SFCalculation shows that the frequency approximately equals that of the vibration indicated in the parentheses.
OVOverlapped by band indicated in parentheses.
B1~3 cm-1 uncertainty
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty
E15~30 cm-1 uncertainty

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, Ion clustering data, IR Spectrum, Mass spectrum (electron ionization), Vibrational and/or electronic energy levels, Notes

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

Pilcher, Pell, et al., 1964
Pilcher, G.; Pell, A.S.; Coleman, D.J., Measurements of heats of combustion by flame calorimetry. Part 2-Dimethyl ether, methyl ethyl ether, methyl n-propyl ether, methyl isopropyl ether, Trans. Faraday Soc., 1964, 60, 499-505. [all data]

Chao J., 1986
Chao J., Thermodynamic properties of key organic oxygen compounds in the carbon range C1 to C4. Part 2. Ideal gas properties, J. Phys. Chem. Ref. Data, 1986, 15, 1369-1436. [all data]

Handi M.A., 1954
Handi M.A., Molecular spectroscopy. Determination and interpretation of fundamental frequencies of dimethyl ether from infrared absorption spectrum; application for thermodynamic functions calculation, Compt. Rend. Acad. Sci., 1954, 239, 349-351. [all data]

Seha Z., 1955
Seha Z., Thermodynamic functions of dimethyl ether, Chem. Listy, 1955, 49, 1569-1570. [all data]

Banerjee S.C., 1964
Banerjee S.C., Thermodynamic properties of organic compounds. Part 1. Normal symmetrical aliphatic ethers, Brit. Chem. Eng., 1964, 9, 311-313. [all data]

Stull D.R., 1969
Stull D.R., Jr., The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]

East A.L.L., 1997
East A.L.L., Ab initio statistical thermodynamical models for the computation of third-law entropies, J. Chem. Phys., 1997, 106, 6655-6674. [all data]

Kistiakowsky G.B., 1940
Kistiakowsky G.B., Gaseous heat capacities. III, J. Chem. Phys., 1940, 8, 618-622. [all data]

Kennedy, Sagenkahn, et al., 1941
Kennedy, R.M.; Sagenkahn, M.; Aston, J.G., The heat capacity and entropy, heats of fusion and vaporization, and the vapor pressure of dimethyl ether. The density of gaseous dimethyl ether, J. Am. Chem. Soc., 1941, 63, 2267-2272. [all data]

Anonymous, 1968
Anonymous, X., Chemicals and Plastics Physical Properties, 1968, Union Carbide Corp., product bulletin, 1968. [all data]

Maass and Boomer, 1922
Maass, O.; Boomer, E.H., Vapor densities at low pressures and over an extended temperature range: I the properties of ethylene oxide compared to oxygen compounds of similar molecular weight, J. Am. Chem. Soc., 1922, 44, 1709-1728. [all data]

Wilhoit, Chao, et al., 1985
Wilhoit, R.C.; Chao, J.; Hall, K.R., Thermodynamic Properties of Key Organic Compounds in the Carbon Range C1 to C4. Part 1. Properties of Condensed Phases, J. Phys. Chem. Ref. Data, 1985, 14, 1. [all data]

Kennedy, Sagenkahn, et al., 1941, 2
Kennedy, R.M.; Sagenkahn, M.; Aston, J.G., The Heat Capacity and Entropy, Heats of Fusion and Vaporization and the Vapor Pressure of Dimethyl Ether. The Density of Gaseous Dimethyl Ether, J. Am. Chem. Soc., 1941, 63, 2267-72. [all data]

Zawisza and Glowka, 1970
Zawisza, A.C.; Glowka, S., Liquid-vapour equilibria and thermodynamic functions of dimethyl ether - sulphur dioxide system up to 300c and 77.81 atmospheres, Bull. Acad. Pol. Sci., Ser. Sci. Chim., 1970, 18, 549-54. [all data]

Edwards and Maass, 1935
Edwards, J.; Maass, O., Density and Adsorption Studies in the Region of the Critical Temperature: System Dimethyl-ether-alumina., Can. J. Res., Sect. A, 1935, 12, 357-71. [all data]

Tapp, Steacie, et al., 1933
Tapp, J.S.; Steacie, E.W.R.; Maass, O., Density of a Vapor in Equilibrium with a Liquid Near the Critical Temperature., Can. J. Res., 1933, 9, 217-39. [all data]

Cardoso and Coppola, 1923
Cardoso, E.; Coppola, A.A., Experimental researches on some thermal properties of gas I the densities of coexisting phases of methyl ether, J. Chim. Phys. Phys.-Chim. Biol., 1923, 20, 337-46. [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]

Ambrose, Ellender, et al., 1976
Ambrose, D.; Ellender, J.H.; Sprake, C.H.S.; Townsend, R., Thermodynamic properties of organic oxygen compounds XLIII. Vapour pressures of some ethers, The Journal of Chemical Thermodynamics, 1976, 8, 2, 165-178, https://doi.org/10.1016/0021-9614(76)90090-2 . [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]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Rodgers and Armentrout, 2000
Rodgers, M.T.; Armentrout, P.B., Noncovalent Metal-Ligand Bond Energies as Studied by Threshold Collision-Induced Dissociation, Mass Spectrom. Rev., 2000, 19, 4, 215, https://doi.org/10.1002/1098-2787(200007)19:4<215::AID-MAS2>3.0.CO;2-X . [all data]

Woodin and Beauchamp, 1978
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]

Dzidic and Kebarle, 1970
Dzidic, I.; Kebarle, P., Hydration of the Alkali Ions in the Gas Phase. Enthalpies and Entropies of Reactions M+(H2O)n-1 + H2O = M+(H2O)n, J. Phys. Chem., 1970, 74, 7, 1466, https://doi.org/10.1021/j100702a013 . [all data]

Staley and Beauchamp, 1975
Staley, R.H.; Beauchamp, J.L., Intrinsic Acid - Base Properties of Molecules. Binding Energies of Li+ to pi - and n - Donor Bases, J. Am. Chem. Soc., 1975, 97, 20, 5920, https://doi.org/10.1021/ja00853a050 . [all data]

More, Gledening, et al., 1996
More, M.B.; Gledening, E.D.; Ray, D.; Feller, D.; Armentrout, P.B., Cation-Ether Complexes in the Gas Phase: Bond Dissociation Energies and Equilibrium Structures of Li+[O(CH3)2]x, x=1-4, J. Phys. Chem., 1996, 100, 5, 1605, https://doi.org/10.1021/jp9523175 . [all data]

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Notes

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