Ethane, 1,2-dimethoxy-
- Formula: C4H10O2
- Molecular weight: 90.1210
- IUPAC Standard InChIKey: XTHFKEDIFFGKHM-UHFFFAOYSA-N
- CAS Registry Number: 110-71-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: α,β-Dimethoxyethane; Dimethoxyethane; Dimethyl cellosolve; Ethylene dimethyl ether; Ethylene glycol dimethyl ether; Glycol dimethyl ether; Glyme; Monoethylene glycol dimethyl ether; Monoglyme; 1,2-Dimethoxyethane; 1,2-Ethanediol dimethyl ether; 2,5-Dioxahexane; CH3OCH2CH2OCH3; Egdme; UN 2252; Ansul ether 121; DME; DME (glycol ether); Hisolve MMM; NSC 60542
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Reaction thermochemistry data
Go To: Top, 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+ • 2 • 2) + = (C4H11O2+ • 3 • 2)
By formula: (C4H11O2+ • 2H2O • 2C4H10O2) + H2O = (C4H11O2+ • 3H2O • 2C4H10O2)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.0 | cal/mol*K | N/A | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
3.5 | 225. | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
(C4H11O2+ • 3 • ) + = (C4H11O2+ • 4 • )
By formula: (C4H11O2+ • 3H2O • C4H10O2) + H2O = (C4H11O2+ • 4H2O • C4H10O2)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.5 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.0 | cal/mol*K | N/A | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
3.9 | 225. | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
(C4H11O2+ • 2) + = (C4H11O2+ • 3)
By formula: (C4H11O2+ • 2C4H10O2) + C4H10O2 = (C4H11O2+ • 3C4H10O2)
Bond type: Hydrogen bonds between protonated and neutral organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 25.0 | cal/mol*K | N/A | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
5.0 | 208. | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; Entropy change calculated or estimated; M |
By formula: Na+ + C4H10O2 = (Na+ • C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37.8 ± 1.0 | kcal/mol | CIDT | Armentrout and Rodgers, 2000 | glyme; RCD |
ΔrH° | 57.6 ± 4.3 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
ΔrH° | 38.5 ± 1.0 | kcal/mol | CIDT | More, Ray, et al., 1997 | RCD |
ΔrH° | 47.2 | kcal/mol | HPMS | Castleman, Peterson, et al., 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 34.6 | cal/mol*K | HPMS | Castleman, Peterson, et al., 1983 | gas phase; M |
Free energy of reaction
ΔrG° (kcal/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
31.8 | 298. | IMRE | McMahon and Ohanessian, 2000 | Anchor alanine=39.89; RCD |
By formula: K+ + C4H10O2 = (K+ • C4H10O2)
Bond type: Polydentate bonding in non-hydrogen-bonded positive ions
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 28.4 ± 1.0 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
ΔrH° | 30.8 | kcal/mol | HPMS | Davidson and Kebarle, 1976 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 26.8 | cal/mol*K | HPMS | Davidson and Kebarle, 1976 | gas phase; M |
By formula: (Na+ • C4H10O2) + C4H10O2 = (Na+ • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.7 ± 1.9 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
ΔrH° | 27.2 ± 2.0 | kcal/mol | CIDT | More, Ray, et al., 1997 | RCD |
ΔrH° | 35.1 | kcal/mol | HPMS | Castleman, Peterson, et al., 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 40.5 | cal/mol*K | HPMS | Castleman, Peterson, et al., 1983 | gas phase; M |
(C4H11O2+ • • 2) + = (C4H11O2+ • 2 • 2)
By formula: (C4H11O2+ • C4H10O2 • 2H2O) + C4H10O2 = (C4H11O2+ • 2C4H10O2 • 2H2O)
Bond type: Hydrogen bonds between protonated and neutral organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 19.8 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 29.5 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
(C4H11O2+ • 2 • ) + = (C4H11O2+ • 3 • )
By formula: (C4H11O2+ • 2H2O • C4H10O2) + H2O = (C4H11O2+ • 3H2O • C4H10O2)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.8 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
(C4H11O2+ • • 2) + = (C4H11O2+ • 2 • 2)
By formula: (C4H11O2+ • H2O • 2C4H10O2) + H2O = (C4H11O2+ • 2H2O • 2C4H10O2)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 9.8 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
(C4H11O2+ • • ) + = (C4H11O2+ • 2 • )
By formula: (C4H11O2+ • H2O • C4H10O2) + H2O = (C4H11O2+ • 2H2O • C4H10O2)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 10.4 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 24.9 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
By formula: C5H6N+ + C4H10O2 = (C5H6N+ • C4H10O2)
Bond type: Hydrogen bonds with polydentate bonding in positive ions
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 25.4 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1983 | gas phase; glyme; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 31.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1983 | gas phase; glyme; M |
By formula: (H4N+ • C4H10O2) + H3N = (H4N+ • H3N • C4H10O2)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14.0 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 19.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
(C4H11O2+ • ) + = (C4H11O2+ • • )
By formula: (C4H11O2+ • C4H10O2) + H2O = (C4H11O2+ • H2O • C4H10O2)
Bond type: Hydrogen bond (positive ion to hydride)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.7 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.4 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
By formula: C4H11O2+ + C4H10O2 = (C4H11O2+ • C4H10O2)
Bond type: Hydrogen bonds between protonated and neutral organics
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 27.4 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 30.9 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1994 | gas phase; M |
By formula: H4N+ + C4H10O2 = (H4N+ • C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 38. ± 3. | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; possible ether decomposition; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 36. | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; possible ether decomposition; M |
By formula: C3H10N+ + C4H10O2 = (C3H10N+ • C4H10O2)
Bond type: Hydrogen bonds with polydentate bonding in positive ions
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 26.7 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 34.8 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1983 | gas phase; M |
By formula: C6H14N+ + C4H10O2 = (C6H14N+ • C4H10O2)
Bond type: Hydrogen bonds with polydentate bonding in positive ions
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 29.4 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 35.5 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1983 | gas phase; M |
By formula: CH6N+ + C4H10O2 = (CH6N+ • C4H10O2)
Bond type: Hydrogen bonds with polydentate bonding in positive ions
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 30.1 | kcal/mol | PHPMS | Meot-Ner (Mautner), 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 30.1 | cal/mol*K | PHPMS | Meot-Ner (Mautner), 1983 | gas phase; M |
By formula: (H4N+ • 2C4H10O2) + C4H10O2 = (H4N+ • 3C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 14. ± 3. | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 27.3 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
By formula: (H4N+ • C4H10O2) + C4H10O2 = (H4N+ • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.2 | kcal/mol | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 33.5 | cal/mol*K | PHPMS | Meot-Ner (Mautner), Sieck, et al., 1996 | gas phase; M |
By formula: (Na+ • 2C4H10O2) + C4H10O2 = (Na+ • 3C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 23.2 | kcal/mol | HPMS | Castleman, Peterson, et al., 1983 | gas phase; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 42.2 | cal/mol*K | HPMS | Castleman, Peterson, et al., 1983 | gas phase; M |
By formula: C4H10O2 + H2O = 2CH4O + C2H4O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 8.6 ± 0.2 | kcal/mol | Eqk | Wiberg, Morgan, et al., 1994 | liquid phase; ALS |
By formula: 2CH4O + C2H4O = C4H10O2 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -14.8 ± 0.3 | kcal/mol | Cm | Wiberg, Morgan, et al., 1994 | gas phase; ALS |
By formula: (Li+ • C4H10O2) + C4H10O2 = (Li+ • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 33.2 ± 2.9 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: (Cs+ • C4H10O2) + C4H10O2 = (Cs+ • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 12.9 ± 1.7 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: (Rb+ • C4H10O2) + C4H10O2 = (Rb+ • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 11.7 ± 2.9 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: (K+ • C4H10O2) + C4H10O2 = (K+ • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 21.3 ± 2.9 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: (Cu+ • C4H10O2) + C4H10O2 = (Cu+ • 2C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 43.0 ± 1.4 | kcal/mol | CIDT | Koizumi, 2001 | RCD |
By formula: Li+ + C4H10O2 = (Li+ • C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 37.8 ± 1.0 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: Cs+ + C4H10O2 = (Cs+ • C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 13.6 ± 1.2 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: Rb+ + C4H10O2 = (Rb+ • C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 22.5 ± 2.2 | kcal/mol | CIDT | Rodgers and Armentrout, 2000 | RCD |
By formula: Cu+ + C4H10O2 = (Cu+ • C4H10O2)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 63.1 ± 1.9 | kcal/mol | CIDT | Koizumi, 2001 | RCD |
References
Go To: Top, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
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]
Notes
Go To: Top, Reaction thermochemistry data, References
- Symbols used in this document:
T Temperature ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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