Ethane, 1,2-dimethoxy-

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Gas phase thermochemistry data

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering data, Gas Chromatography, 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfgas-342.8 ± 0.7kJ/molCcrSteele, Chirico, et al., 1996 
Δfgas-390. ± 2.kJ/molEqkWiberg, Morgan, et al., 1994 
Δfgas-340.5 ± 0.63kJ/molCcrLoucks and Laidler, 1967 

Reaction thermochemistry data

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

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

Data compiled as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

(C4H11O2+ • 2Water • 2Ethane, 1,2-dimethoxy-) + Water = (C4H11O2+ • 3Water • 2Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ • 2H2O • 2C4H10O2) + H2O = (C4H11O2+ • 3H2O • 2C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr38.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KN/AMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
15.225.PHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

(C4H11O2+ • 3Water • Ethane, 1,2-dimethoxy-) + Water = (C4H11O2+ • 4Water • Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ • 3H2O • C4H10O2) + H2O = (C4H11O2+ • 4H2O • C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr40.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KN/AMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
16.225.PHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

(C4H11O2+ • 2Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (C4H11O2+ • 3Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ • 2C4H10O2) + C4H10O2 = (C4H11O2+ • 3C4H10O2)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Δr42.7kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KN/AMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
21.208.PHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

Sodium ion (1+) + Ethane, 1,2-dimethoxy- = (Sodium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Na+ + C4H10O2 = (Na+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr158. ± 4.2kJ/molCIDTArmentrout and Rodgers, 2000glyme; RCD
Δr241. ± 18.kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr161. ± 4.2kJ/molCIDTMore, Ray, et al., 1997RCD
Δr197.kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr145.J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Free energy of reaction

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

Potassium ion (1+) + Ethane, 1,2-dimethoxy- = (Potassium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: K+ + C4H10O2 = (K+ • C4H10O2)

Bond type: Polydentate bonding in non-hydrogen-bonded positive ions

Quantity Value Units Method Reference Comment
Δr119. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr129.kJ/molHPMSDavidson and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Δr112.J/mol*KHPMSDavidson and Kebarle, 1976gas phase; M

(Sodium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Sodium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Na+ • C4H10O2) + C4H10O2 = (Na+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr116. ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr114. ± 8.4kJ/molCIDTMore, Ray, et al., 1997RCD
Δr147.kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr169.J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

(C4H11O2+ • Ethane, 1,2-dimethoxy- • 2Water) + Ethane, 1,2-dimethoxy- = (C4H11O2+ • 2Ethane, 1,2-dimethoxy- • 2Water)

By formula: (C4H11O2+ • C4H10O2 • 2H2O) + C4H10O2 = (C4H11O2+ • 2C4H10O2 • 2H2O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Δr82.8kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr123.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

(C4H11O2+ • 2Water • Ethane, 1,2-dimethoxy-) + Water = (C4H11O2+ • 3Water • Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ • 2H2O • C4H10O2) + H2O = (C4H11O2+ • 3H2O • C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr42.7kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr104.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

(C4H11O2+ • Water • 2Ethane, 1,2-dimethoxy-) + Water = (C4H11O2+ • 2Water • 2Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ • H2O • 2C4H10O2) + H2O = (C4H11O2+ • 2H2O • 2C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr41.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr102.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

(C4H11O2+ • Water • Ethane, 1,2-dimethoxy-) + Water = (C4H11O2+ • 2Water • Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ • H2O • C4H10O2) + H2O = (C4H11O2+ • 2H2O • C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr43.5kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr104.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

C5H6N+ + Ethane, 1,2-dimethoxy- = (C5H6N+ • Ethane, 1,2-dimethoxy-)

By formula: C5H6N+ + C4H10O2 = (C5H6N+ • C4H10O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Δr106.kJ/molPHPMSMeot-Ner (Mautner), 1983gas phase; glyme; M
Quantity Value Units Method Reference Comment
Δr131.J/mol*KPHPMSMeot-Ner (Mautner), 1983gas phase; glyme; M

(NH4+ • Ethane, 1,2-dimethoxy-) + Ammonia = (NH4+ • Ammonia • Ethane, 1,2-dimethoxy-)

By formula: (H4N+ • C4H10O2) + H3N = (H4N+ • H3N • C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr58.6kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr81.2J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

(C4H11O2+ • Ethane, 1,2-dimethoxy-) + Water = (C4H11O2+ • Water • Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ • C4H10O2) + H2O = (C4H11O2+ • H2O • C4H10O2)

Bond type: Hydrogen bond (positive ion to hydride)

Quantity Value Units Method Reference Comment
Δr57.3kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr115.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

C4H11O2+ + Ethane, 1,2-dimethoxy- = (C4H11O2+ • Ethane, 1,2-dimethoxy-)

By formula: C4H11O2+ + C4H10O2 = (C4H11O2+ • C4H10O2)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Δr115.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr129.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

NH4+ + Ethane, 1,2-dimethoxy- = (NH4+ • Ethane, 1,2-dimethoxy-)

By formula: H4N+ + C4H10O2 = (H4N+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr160. ± 10.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; possible ether decomposition; M
Quantity Value Units Method Reference Comment
Δr150.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; possible ether decomposition; M

C3H10N+ + Ethane, 1,2-dimethoxy- = (C3H10N+ • Ethane, 1,2-dimethoxy-)

By formula: C3H10N+ + C4H10O2 = (C3H10N+ • C4H10O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Δr112.kJ/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr146.J/mol*KPHPMSMeot-Ner (Mautner), 1983gas phase; M

C6H14N+ + Ethane, 1,2-dimethoxy- = (C6H14N+ • Ethane, 1,2-dimethoxy-)

By formula: C6H14N+ + C4H10O2 = (C6H14N+ • C4H10O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Δr123.kJ/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr149.J/mol*KPHPMSMeot-Ner (Mautner), 1983gas phase; M

CH6N+ + Ethane, 1,2-dimethoxy- = (CH6N+ • Ethane, 1,2-dimethoxy-)

By formula: CH6N+ + C4H10O2 = (CH6N+ • C4H10O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Δr126.kJ/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr126.J/mol*KPHPMSMeot-Ner (Mautner), 1983gas phase; M

(NH4+ • 2Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (NH4+ • 3Ethane, 1,2-dimethoxy-)

By formula: (H4N+ • 2C4H10O2) + C4H10O2 = (H4N+ • 3C4H10O2)

Quantity Value Units Method Reference Comment
Δr60. ± 10.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr114.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

(NH4+ • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (NH4+ • 2Ethane, 1,2-dimethoxy-)

By formula: (H4N+ • C4H10O2) + C4H10O2 = (H4N+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr97.1kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr140.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

(Sodium ion (1+) • 2Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Sodium ion (1+) • 3Ethane, 1,2-dimethoxy-)

By formula: (Na+ • 2C4H10O2) + C4H10O2 = (Na+ • 3C4H10O2)

Quantity Value Units Method Reference Comment
Δr97.1kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr177.J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Ethane, 1,2-dimethoxy- + Water = 2Methyl Alcohol + Acetaldehyde

By formula: C4H10O2 + H2O = 2CH4O + C2H4O

Quantity Value Units Method Reference Comment
Δr35.9 ± 0.8kJ/molEqkWiberg, Morgan, et al., 1994liquid phase; ALS

2Methyl Alcohol + Acetaldehyde = Ethane, 1,2-dimethoxy- + Water

By formula: 2CH4O + C2H4O = C4H10O2 + H2O

Quantity Value Units Method Reference Comment
Δr-62. ± 1.kJ/molCmWiberg, Morgan, et al., 1994gas phase; ALS

(Lithium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Lithium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Li+ • C4H10O2) + C4H10O2 = (Li+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr139. ± 12.kJ/molCIDTRodgers and Armentrout, 2000RCD

(Cesium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Cesium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Cs+ • C4H10O2) + C4H10O2 = (Cs+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr54.0 ± 7.1kJ/molCIDTRodgers and Armentrout, 2000RCD

(Rubidium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Rubidium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Rb+ • C4H10O2) + C4H10O2 = (Rb+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr49. ± 12.kJ/molCIDTRodgers and Armentrout, 2000RCD

(Potassium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Potassium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (K+ • C4H10O2) + C4H10O2 = (K+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr89. ± 12.kJ/molCIDTRodgers and Armentrout, 2000RCD

(Copper ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Copper ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Cu+ • C4H10O2) + C4H10O2 = (Cu+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr180. ± 5.9kJ/molCIDTKoizumi, 2001RCD

Lithium ion (1+) + Ethane, 1,2-dimethoxy- = (Lithium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Li+ + C4H10O2 = (Li+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr158. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD

Cesium ion (1+) + Ethane, 1,2-dimethoxy- = (Cesium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Cs+ + C4H10O2 = (Cs+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr56.9 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

Rubidium ion (1+) + Ethane, 1,2-dimethoxy- = (Rubidium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Rb+ + C4H10O2 = (Rb+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr94.1 ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

Copper ion (1+) + Ethane, 1,2-dimethoxy- = (Copper ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Cu+ + C4H10O2 = (Cu+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr264. ± 7.9kJ/molCIDTKoizumi, 2001RCD

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Reaction thermochemistry data, Ion clustering data, Gas Chromatography, 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:
MM - Michael M. Meot-Ner (Mautner)
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

Quantity Value Units Method Reference Comment
IE (evaluated)9.3eVN/AN/AL
Quantity Value Units Method Reference Comment
Proton affinity (review)858.0kJ/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity820.2kJ/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kJ/mol) Reference Comment
846. ± 2.Morlender-Vais and Holmes, 2001Plots of lnR (dissociation product ratio RH+/MH+) vs. PA(B) in metastable ion and CID experiments.; MM

Ionization energy determinations

IE (eV) Method Reference Comment
9.3PEBaker, Armen, et al., 1983LBLHLM
9.2PEKimura, Katsumata, et al., 1981LLK
9.9PEBaker, Armen, et al., 1983Vertical value; LBLHLM
9.78PEKimura, Katsumata, et al., 1981Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H5O+10.36 ± 0.05CH3OCH2EIHolmes and Lossing, 1984LBLHLM
C2H5O+10.27CH3OCH2EILossing, 1977LLK

Ion clustering data

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

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

Data compiled as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
RCD - Robert C. Dunbar

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

Clustering reactions

CH6N+ + Ethane, 1,2-dimethoxy- = (CH6N+ • Ethane, 1,2-dimethoxy-)

By formula: CH6N+ + C4H10O2 = (CH6N+ • C4H10O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Δr126.kJ/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr126.J/mol*KPHPMSMeot-Ner (Mautner), 1983gas phase; M

C3H10N+ + Ethane, 1,2-dimethoxy- = (C3H10N+ • Ethane, 1,2-dimethoxy-)

By formula: C3H10N+ + C4H10O2 = (C3H10N+ • C4H10O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Δr112.kJ/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr146.J/mol*KPHPMSMeot-Ner (Mautner), 1983gas phase; M

C4H11O2+ + Ethane, 1,2-dimethoxy- = (C4H11O2+ • Ethane, 1,2-dimethoxy-)

By formula: C4H11O2+ + C4H10O2 = (C4H11O2+ • C4H10O2)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Δr115.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr129.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

(C4H11O2+ • 2Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (C4H11O2+ • 3Ethane, 1,2-dimethoxy-)

By formula: (C4H11O2+ • 2C4H10O2) + C4H10O2 = (C4H11O2+ • 3C4H10O2)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Δr42.7kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr105.J/mol*KN/AMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kJ/mol) T (K) Method Reference Comment
21.208.PHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

(C4H11O2+ • Ethane, 1,2-dimethoxy- • 2Water) + Ethane, 1,2-dimethoxy- = (C4H11O2+ • 2Ethane, 1,2-dimethoxy- • 2Water)

By formula: (C4H11O2+ • C4H10O2 • 2H2O) + C4H10O2 = (C4H11O2+ • 2C4H10O2 • 2H2O)

Bond type: Hydrogen bonds between protonated and neutral organics

Quantity Value Units Method Reference Comment
Δr82.8kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr123.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M

C5H6N+ + Ethane, 1,2-dimethoxy- = (C5H6N+ • Ethane, 1,2-dimethoxy-)

By formula: C5H6N+ + C4H10O2 = (C5H6N+ • C4H10O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Δr106.kJ/molPHPMSMeot-Ner (Mautner), 1983gas phase; glyme; M
Quantity Value Units Method Reference Comment
Δr131.J/mol*KPHPMSMeot-Ner (Mautner), 1983gas phase; glyme; M

C6H14N+ + Ethane, 1,2-dimethoxy- = (C6H14N+ • Ethane, 1,2-dimethoxy-)

By formula: C6H14N+ + C4H10O2 = (C6H14N+ • C4H10O2)

Bond type: Hydrogen bonds with polydentate bonding in positive ions

Quantity Value Units Method Reference Comment
Δr123.kJ/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr149.J/mol*KPHPMSMeot-Ner (Mautner), 1983gas phase; M

Cesium ion (1+) + Ethane, 1,2-dimethoxy- = (Cesium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Cs+ + C4H10O2 = (Cs+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr56.9 ± 5.0kJ/molCIDTRodgers and Armentrout, 2000RCD

(Cesium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Cesium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Cs+ • C4H10O2) + C4H10O2 = (Cs+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr54.0 ± 7.1kJ/molCIDTRodgers and Armentrout, 2000RCD

Copper ion (1+) + Ethane, 1,2-dimethoxy- = (Copper ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Cu+ + C4H10O2 = (Cu+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr264. ± 7.9kJ/molCIDTKoizumi, 2001RCD

(Copper ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Copper ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Cu+ • C4H10O2) + C4H10O2 = (Cu+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr180. ± 5.9kJ/molCIDTKoizumi, 2001RCD

NH4+ + Ethane, 1,2-dimethoxy- = (NH4+ • Ethane, 1,2-dimethoxy-)

By formula: H4N+ + C4H10O2 = (H4N+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr160. ± 10.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; possible ether decomposition; M
Quantity Value Units Method Reference Comment
Δr150.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; possible ether decomposition; M

(NH4+ • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (NH4+ • 2Ethane, 1,2-dimethoxy-)

By formula: (H4N+ • C4H10O2) + C4H10O2 = (H4N+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr97.1kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr140.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

(NH4+ • 2Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (NH4+ • 3Ethane, 1,2-dimethoxy-)

By formula: (H4N+ • 2C4H10O2) + C4H10O2 = (H4N+ • 3C4H10O2)

Quantity Value Units Method Reference Comment
Δr60. ± 10.kJ/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr114.J/mol*KPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M

Potassium ion (1+) + Ethane, 1,2-dimethoxy- = (Potassium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: K+ + C4H10O2 = (K+ • C4H10O2)

Bond type: Polydentate bonding in non-hydrogen-bonded positive ions

Quantity Value Units Method Reference Comment
Δr119. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr129.kJ/molHPMSDavidson and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Δr112.J/mol*KHPMSDavidson and Kebarle, 1976gas phase; M

(Potassium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Potassium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (K+ • C4H10O2) + C4H10O2 = (K+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr89. ± 12.kJ/molCIDTRodgers and Armentrout, 2000RCD

Lithium ion (1+) + Ethane, 1,2-dimethoxy- = (Lithium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Li+ + C4H10O2 = (Li+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr158. ± 4.2kJ/molCIDTRodgers and Armentrout, 2000RCD

(Lithium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Lithium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Li+ • C4H10O2) + C4H10O2 = (Li+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr139. ± 12.kJ/molCIDTRodgers and Armentrout, 2000RCD

Sodium ion (1+) + Ethane, 1,2-dimethoxy- = (Sodium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Na+ + C4H10O2 = (Na+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr158. ± 4.2kJ/molCIDTArmentrout and Rodgers, 2000glyme; RCD
Δr241. ± 18.kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr161. ± 4.2kJ/molCIDTMore, Ray, et al., 1997RCD
Δr197.kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr145.J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Free energy of reaction

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

(Sodium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Sodium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Na+ • C4H10O2) + C4H10O2 = (Na+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr116. ± 7.9kJ/molCIDTRodgers and Armentrout, 2000RCD
Δr114. ± 8.4kJ/molCIDTMore, Ray, et al., 1997RCD
Δr147.kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr169.J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

(Sodium ion (1+) • 2Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Sodium ion (1+) • 3Ethane, 1,2-dimethoxy-)

By formula: (Na+ • 2C4H10O2) + C4H10O2 = (Na+ • 3C4H10O2)

Quantity Value Units Method Reference Comment
Δr97.1kJ/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr177.J/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Rubidium ion (1+) + Ethane, 1,2-dimethoxy- = (Rubidium ion (1+) • Ethane, 1,2-dimethoxy-)

By formula: Rb+ + C4H10O2 = (Rb+ • C4H10O2)

Quantity Value Units Method Reference Comment
Δr94.1 ± 9.2kJ/molCIDTRodgers and Armentrout, 2000RCD

(Rubidium ion (1+) • Ethane, 1,2-dimethoxy-) + Ethane, 1,2-dimethoxy- = (Rubidium ion (1+) • 2Ethane, 1,2-dimethoxy-)

By formula: (Rb+ • C4H10O2) + C4H10O2 = (Rb+ • 2C4H10O2)

Quantity Value Units Method Reference Comment
Δr49. ± 12.kJ/molCIDTRodgers and Armentrout, 2000RCD

Gas Chromatography

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

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

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

Kovats' RI, non-polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
PackedSE-30120.646.García-Raso, Martínez-Castro, et al., 1987N2, Supelcoport; Column length: 3. m
PackedSE-30150.635.Tiess, 1984Ar, Gas Chrom Q (80-100 mesh); Column length: 3. m
PackedApiezon L120.607.Bogoslovsky, Anvaer, et al., 1978Celite 545
PackedApiezon L160.608.Bogoslovsky, Anvaer, et al., 1978Celite 545

Kovats' RI, polar column, isothermal

View large format table.

Column type Active phase Temperature (C) I Reference Comment
CapillaryCarbowax 20M120.918.García-Raso, Martínez-Castro, et al., 1987N2, Supelcoport; Column length: 25. m; Column diameter: 0.22 mm

Normal alkane RI, non-polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryUltra-ALLOY-5645.Tsuge, Ohtan, et al., 201130. m/0.25 mm/0.25 μm, 40. C @ 2. min, 20. K/min, 320. C @ 13. min

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillarySqualane646.Chen, 2008Program: not specified
CapillaryPolydimethyl siloxanes641.Zenkevich, 1997Program: not specified
CapillaryMethyl Silicone641.Zenkevich, 1995Program: not specified
PackedApiezon L609.5Keiko, Prokop'ev, et al., 1972Program: not specified
PackedSqualane614.5Keiko, Prokop'ev, et al., 1972Program: not specified

Normal alkane RI, polar column, temperature ramp

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-Wax935.Shimadzu, 201230. m/0.32 mm/0.50 μm, Helium, 4. K/min; Tstart: 40. C; Tend: 260. C
CapillaryDB-Wax935.Shimadzu Corporation, 200330. m/0.32 mm/0.5 μm, He, 4. K/min; Tstart: 40. C; Tend: 260. C

References

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

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

Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K., Thermodynamic properties and ideal-gas enthalpies of formation for butyl vinyl ether, 1,2-dimethoxyethane, methyl glycolate, bicyclo[2.2.1]hept-2-ene, 5-vinylbicyclo[2.2.1]hept-2-ene, trans-azobenzene, butyl acrylate, di-tert-butyl ether, and hexane-1,6-diol, J. Chem. Eng. Data, 1996, 41, 1285-1302. [all data]

Wiberg, Morgan, et al., 1994
Wiberg, K.B.; Morgan, K.M.; Maltz, H., Thermochemistry of carbonyl reactions. 6. A study of hydration equilibria, J. Am. Chem. Soc., 1994, 116, 11067-11077. [all data]

Loucks and Laidler, 1967
Loucks, L.F.; Laidler, K.J., Thermochemistry of the methoxymethyl radical, Can. J. Chem., 1967, 45, 2785-2793. [all data]

Meot-Ner (Mautner), Sieck, et al., 1994
Meot-Ner (Mautner), M.; Sieck, L.W.; Liebman, J.F.; Scheiner, S.; Duan, X., The Ionic Hydrogen Bond. 5. Polydentate and Solvent-Bridged Structures. Complexing of the Proton and the Hydronium Ions by Polyethers, J. Am. Chem. Soc., 1994, 116, 17, 7848, https://doi.org/10.1021/ja00096a047 . [all data]

Armentrout and Rodgers, 2000
Armentrout, P.B.; Rodgers, M.T., An Absolute Sodium Cation Affinity Scale: Threshold Collision-Induced Dissociation Experiments and ab Initio Theory, J. Phys. Chem A, 2000, 104, 11, 2238, https://doi.org/10.1021/jp991716n . [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]

More, Ray, et al., 1997
More, M.B.; Ray, D.; Armentrout, P.B., Cation-ether complexes in the gas phase: Bond dissociation energies of Na+(dimethyl ether)(x), x=1-4; Na+(1,2-dimethoxyethane)(x), x=1 and 2; and Na+(12-crown-4), J. Phys. Chem. AJOURNAL OF PHYSICAL CHEMISTRY A 101 (5): 831-839 JAN 30 1997, 1997, 101, 831. [all data]

Castleman, Peterson, et al., 1983
Castleman, A.W.; Peterson, K.I.; Upschulte, B.L.; Schelling, F.J., Energetics and Structure of Na+ Cluster Ions, Int. J. Mass Spectrom. Ion Phys., 1983, 47, 203, https://doi.org/10.1016/0020-7381(83)87171-X . [all data]

McMahon and Ohanessian, 2000
McMahon, T.B.; Ohanessian, G., An Experimental and Ab Initio Study of the Nature of the Binding in Gas-Phase Complexes of Sodium Ions, Chem. Eur. J., 2000, 6, 16, 2931, https://doi.org/10.1002/1521-3765(20000818)6:16<2931::AID-CHEM2931>3.0.CO;2-7 . [all data]

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]

Meot-Ner (Mautner), 1983
Meot-Ner (Mautner), M., The Ionic Hydrogen Bond. 3. Multiple and -CH+...O- Bonds. Complexes of Ammonium Ions with Polyethers and Crown Ethers, J. Am. Chem. Soc., 1983, 105, 15, 4912, https://doi.org/10.1021/ja00353a012 . [all data]

Meot-Ner (Mautner), Sieck, et al., 1996
Meot-Ner (Mautner), M.; Sieck, L.W.; Liebman, J.F.; Scheiner, S., Complexing of the Ammonium Ion by Polyethers. Comparative Complexing Thermochemistry of Ammonium, Hydronium, and Alkali Cations, J. Phys. Chem., 1996, 100, 16, 6445, https://doi.org/10.1021/jp9514943 . [all data]

Koizumi, 2001
Koizumi, H., Collision-Induced Dissociation and Theoretical Studies of Cu+-Dimethoxyethane Complexes, J. Am. Soc. Mass Spectrom., 2001, 12, 5, 480, https://doi.org/10.1016/S1044-0305(01)00242-2 . [all data]

Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G., Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update, J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018 . [all data]

Morlender-Vais and Holmes, 2001
Morlender-Vais, N.; Holmes, J.L., Proton affinities of two weakly bidentate molecules: 1,2-Dimethoxyethane and methoxyacetone, Int. J. Mass Spectrom., 2001, 210/211, 147. [all data]

Baker, Armen, et al., 1983
Baker, A.D.; Armen, G.H.; Funaro, S., Oral levels of crown ethers and related macrocycles studies by ultraviolet photoelectron spectroscopy: Relationship to complexation studies, J. Chem. Soc. Dalton Trans., 1983, 2519. [all data]

Kimura, Katsumata, et al., 1981
Kimura, K.; Katsumata, S.; Achiba, Y.; Yamazaki, T.; Iwata, S., Ionization energies, Ab initio assignments, and valence electronic structure for 200 molecules in Handbook of HeI Photoelectron Spectra of Fundamental Organic Compounds, Japan Scientific Soc. Press, Tokyo, 1981. [all data]

Holmes and Lossing, 1984
Holmes, J.L.; Lossing, F.P., Heats of formation of organic radicals from appearance energies, Int. J. Mass Spectrom. Ion Processes, 1984, 58, 113. [all data]

Lossing, 1977
Lossing, F.P., Heats of formation of some isomeric [CnH2n+1]+ ions. Substitutional effects on ion stability, J. Am. Chem. Soc., 1977, 99, 7526. [all data]

García-Raso, Martínez-Castro, et al., 1987
García-Raso, A.; Martínez-Castro, I.; Páez, M.I.; Sanz, J.; García-Raso, J.; Saura-Calixto, F., Gas Chromatographic Behaviour of Carbohydrate Trimethylsilyl Ethers. I. Aldopentoses, J. Chromatogr., 1987, 398, 9-20, https://doi.org/10.1016/S0021-9673(01)96491-X . [all data]

Tiess, 1984
Tiess, D., Gaschromatographische Retentionsindices von 125 leicht- bis mittelflüchtigen organischen Substanzen toxikologisch-analytischer Relevanz auf SE-30, Wiss. Z. Wilhelm-Pieck-Univ. Rostock Math. Naturwiss. Reihe, 1984, 33, 6-9. [all data]

Bogoslovsky, Anvaer, et al., 1978
Bogoslovsky, Yu.N.; Anvaer, B.I.; Vigdergauz, M.S., Chromatographic constants in gas chromatography (in Russian), Standards Publ. House, Moscow, 1978, 192. [all data]

Tsuge, Ohtan, et al., 2011
Tsuge, S.; Ohtan, H.; Watanabe, C., Pyrolysis - GC/MS Data Book of Synthetic Polymers, Elsevier, 2011, 420. [all data]

Chen, 2008
Chen, H.-F., Quantitative prediction of gas chromatography retention indices with support vector machines, radial basis neutral networks and multiple linear regression, Anal. Chim. Acta, 2008, 609, 1, 24-36, https://doi.org/10.1016/j.aca.2008.01.003 . [all data]

Zenkevich, 1997
Zenkevich, I.G., Influence of the Variations of Dynamics Molecular Parameterts on the Additivity of Chromatigraphic Retention Indices of Products of Organic Reactions Relative to Initial Reagents, Dokl. Akad. Nauk (Rus.), 1997, 353, 5, 625-627. [all data]

Zenkevich, 1995
Zenkevich, I.G., Calculation of Gas-Chromatographic Retention Indices from Physico-Chemical Constants of Organic Compounds, Z. Anal. Chem., 1995, 50, 10, 1048-1056. [all data]

Keiko, Prokop'ev, et al., 1972
Keiko, V.V.; Prokop'ev, B.V.; Kuz'menko, L.P.; Kalinina, N.A.; Modonov, V.B., The use of an additive scheme of calculation of the indices of retention in gas-liquid chromatography communication. 3. Some regularities in the manifestation of the inductive effect, Izv. Akad. Nauk Kaz. SSR Ser. Khim., 1972, 12, 2629-2633. [all data]

Shimadzu, 2012
Shimadzu, Pharmaceutical Related, Analysis of pharmaceutical residual solvent (observation of separation) (1) - GC, 2012, retrieved from www.shimadzu.ru/applications/Applicationspdf/GC/Pharma/Pharmaceutical residual solvents GC.pdf. [all data]

Shimadzu Corporation, 2003
Shimadzu Corporation, Analysis of pharmaceutical residual solvent (observation of separation), 2003, retrieved from http://www.shimadzu.com.br/analitica/aplicacoes/book/pharm69.pdf. [all data]


Notes

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