Ethane, 1,2-dimethoxy-

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Condensed phase thermochemistry data

Go To: Top, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Δfliquid-90.72 ± 0.15kcal/molCcrSteele, Chirico, et al., 1996ALS
Δfliquid-100.4 ± 0.4kcal/molEqkWiberg, Morgan, et al., 1994ALS
Δfliquid-90.02 ± 0.05kcal/molCcrLoucks and Laidler, 1967ALS
Quantity Value Units Method Reference Comment
Δcliquid-627.06 ± 0.37kcal/molCcrSteele, Chirico, et al., 1996Corresponding Δfliquid = -90.717 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
45.684298.15Trejo, Costas, et al., 1991DH
46.20298.15Kusano, Suurkuusk, et al., 1973DH

Phase change data

Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Tboil358. ± 1.KAVGN/AAverage of 11 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus203.94KN/AGuanquan, Ott, et al., 1986Uncertainty assigned by TRC = 0.1 K; TRC
Tfus204.15KN/AAnonymous, 1982TRC
Quantity Value Units Method Reference Comment
Tc537.KN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 2. K; TRC
Tc539.2KN/AQuadri and Kudchadker, 1991Uncertainty assigned by TRC = 0.5 K; TRC
Tc536.KN/AKobe, Ravicz, et al., 1956Uncertainty assigned by TRC = 2. K; TRC
Quantity Value Units Method Reference Comment
Pc39.08atmN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 2.47 atm; from extraploation of obs. vapor pressures to Tc; TRC
Pc38.10atmN/AQuadri and Kudchadker, 1991Uncertainty assigned by TRC = 0.20 atm; TRC
Pc38.19atmN/AKobe, Ravicz, et al., 1956Uncertainty assigned by TRC = 0.2721 atm; TRC
Quantity Value Units Method Reference Comment
Vc0.271l/molN/AKobe, Ravicz, et al., 1956Uncertainty assigned by TRC = 0.005 l/mol; TRC
Quantity Value Units Method Reference Comment
ρc3.25mol/lN/ASteele, Chirico, et al., 1996Uncertainty assigned by TRC = 0.13 mol/l; TRC
Quantity Value Units Method Reference Comment
Δvap9. ± 1.kcal/molAVGN/AAverage of 8 values; Individual data points

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.749358.N/AMajer and Svoboda, 1985 
8.25304. to 358.EBLi, Fang, et al., 2009AC
9.42253.AStephenson and Malanowski, 1987Based on data from 238. to 298. K.; AC
9.35253.AStephenson and Malanowski, 1987Based on data from 238. to 363. K.; AC
8.10240.N/AStull, 1947Based on data from 225. to 366. K.; AC

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
225. to 366.3.832041260.52-37.322Stull, 1947Coefficents calculated by NIST from author's data.

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, Condensed phase thermochemistry data, Phase change data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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
Δr9.2kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr25.0cal/mol*KN/AMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.5225.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
Δr9.5kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr25.0cal/mol*KN/AMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
3.9225.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
Δr10.2kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M
Quantity Value Units Method Reference Comment
Δr25.0cal/mol*KN/AMeot-Ner (Mautner), Sieck, et al., 1994gas phase; Entropy change calculated or estimated; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
5.0208.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
Δr37.8 ± 1.0kcal/molCIDTArmentrout and Rodgers, 2000glyme; RCD
Δr57.6 ± 4.3kcal/molCIDTRodgers and Armentrout, 2000RCD
Δr38.5 ± 1.0kcal/molCIDTMore, Ray, et al., 1997RCD
Δr47.2kcal/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr34.6cal/mol*KHPMSCastleman, Peterson, et al., 1983gas phase; M

Free energy of reaction

ΔrG° (kcal/mol) T (K) Method Reference Comment
31.8298.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
Δr28.4 ± 1.0kcal/molCIDTRodgers and Armentrout, 2000RCD
Δr30.8kcal/molHPMSDavidson and Kebarle, 1976gas phase; M
Quantity Value Units Method Reference Comment
Δr26.8cal/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
Δr27.7 ± 1.9kcal/molCIDTRodgers and Armentrout, 2000RCD
Δr27.2 ± 2.0kcal/molCIDTMore, Ray, et al., 1997RCD
Δr35.1kcal/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr40.5cal/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
Δr19.8kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr29.5cal/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
Δr10.2kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr24.8cal/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
Δr9.8kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr24.4cal/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
Δr10.4kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr24.9cal/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
Δr25.4kcal/molPHPMSMeot-Ner (Mautner), 1983gas phase; glyme; M
Quantity Value Units Method Reference Comment
Δr31.4cal/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
Δr14.0kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr19.4cal/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
Δr13.7kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr27.4cal/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
Δr27.4kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1994gas phase; M
Quantity Value Units Method Reference Comment
Δr30.9cal/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
Δr38. ± 3.kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; possible ether decomposition; M
Quantity Value Units Method Reference Comment
Δr36.cal/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
Δr26.7kcal/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr34.8cal/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
Δr29.4kcal/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr35.5cal/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
Δr30.1kcal/molPHPMSMeot-Ner (Mautner), 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr30.1cal/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
Δr14. ± 3.kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr27.3cal/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
Δr23.2kcal/molPHPMSMeot-Ner (Mautner), Sieck, et al., 1996gas phase; M
Quantity Value Units Method Reference Comment
Δr33.5cal/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
Δr23.2kcal/molHPMSCastleman, Peterson, et al., 1983gas phase; M
Quantity Value Units Method Reference Comment
Δr42.2cal/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
Δr8.6 ± 0.2kcal/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-14.8 ± 0.3kcal/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
Δr33.2 ± 2.9kcal/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
Δr12.9 ± 1.7kcal/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
Δr11.7 ± 2.9kcal/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
Δr21.3 ± 2.9kcal/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
Δr43.0 ± 1.4kcal/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
Δr37.8 ± 1.0kcal/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
Δr13.6 ± 1.2kcal/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
Δr22.5 ± 2.2kcal/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
Δr63.1 ± 1.9kcal/molCIDTKoizumi, 2001RCD

Gas phase ion energetics data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, IR Spectrum, Mass spectrum (electron ionization), 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)205.1kcal/molN/AHunter and Lias, 1998HL
Quantity Value Units Method Reference Comment
Gas basicity196.0kcal/molN/AHunter and Lias, 1998HL

Proton affinity at 298K

Proton affinity (kcal/mol) Reference Comment
202.1 ± 0.5Morlender-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

IR Spectrum

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, Mass spectrum (electron ionization), 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Gas Phase Spectrum

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Additional Data

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Owner NIST Standard Reference Data Program
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center
State gas
Instrument HP-GC/MS/IRD

This IR spectrum is from the NIST/EPA Gas-Phase Infrared Database .


Mass spectrum (electron ionization)

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Mass spectrum
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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center, 1990.
NIST MS number 114591

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics 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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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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

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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

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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

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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

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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, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), 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]

Trejo, Costas, et al., 1991
Trejo, L.M.; Costas, M.; Patterson, D., Excess heat capacity of organic mixtures, Internat. DATA Series, Selected Data Mixt., 1991, Ser. [all data]

Kusano, Suurkuusk, et al., 1973
Kusano, K.; Suurkuusk, J.; Wads, I., Thermochemistry of solutions of biochemical model compounds. 2. Alkoxyethanols and 1,2-dialkoxyethanes in water, J. Chem. Thermodynam. 5,757-767 (1973).73LEB/TSV Lebedev, B.V., Tsvetkova, L.Ya., and Rabinovich, I.B., Specific heat and thermodynamic functions of poly(vinyltrimethylsilane), Tr. Khim. Khim. Tekhnol., 1973, (1), 17-18. [all data]

Guanquan, Ott, et al., 1986
Guanquan, C.; Ott, J.B.; Goates, J.R., (Solid+liquid) phase equilibria and solid-compound formation in 1,2-dimethoxyethane+tetrachloromethane, +trichlorofluoromethane, and +trichloromethane, J. Chem. Thermodyn., 1986, 18, 31. [all data]

Anonymous, 1982
Anonymous, X., Glymes Grant Chemical, 1982, Baton Rouge, LA 1982. [all data]

Quadri and Kudchadker, 1991
Quadri, S.K.; Kudchadker, A.P., Measurement of the critical temperatures and critical pressures of some thermally stable or mildly unstable esters, ketones, and ethers, J. Chem. Thermodyn., 1991, 23, 129-34. [all data]

Kobe, Ravicz, et al., 1956
Kobe, K.A.; Ravicz, A.E.; Vohra, S.P., Critical Properties and Vapor Pressures of Some Ethers and Heterocyclic Compounds, J. Chem. Eng. Data, 1956, 1, 50. [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]

Li, Fang, et al., 2009
Li, Dan; Fang, Wenjun; Xie, Wenjie; Xing, Yan; Guo, Yongsheng; Lin, Ruisen, Measurements on Vapor Pressure and Thermal Conductivity for Pseudo-binary Systems of a Hydrocarbon Fuel with Ethylene and Diethylene Glycol Dimethyl Ethers, Energy Fuels, 2009, 23, 2, 794-798, https://doi.org/10.1021/ef8007163 . [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]

Stull, 1947
Stull, Daniel R., Vapor Pressure of Pure Substances. Organic and Inorganic Compounds, Ind. Eng. Chem., 1947, 39, 4, 517-540, https://doi.org/10.1021/ie50448a022 . [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, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References