Ethane, 1,1'-oxybis[2-methoxy-
- Formula: C6H14O3
- Molecular weight: 134.1736
- IUPAC Standard InChI: InChI=1S/C6H14O3/c1-7-3-5-9-6-4-8-2/h3-6H2,1-2H3
- IUPAC Standard InChIKey: SBZXBUIDTXKZTM-UHFFFAOYSA-N
- CAS Registry Number: 111-96-6
- 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: Ether, bis(2-methoxyethyl); (2-Methoxyethyl) ether; Bis(2-methoxyethyl) ether; Di(2-Methoxyethyl) ether; Diethylene glycol dimethyl ether; Diglyme; Dimethyl carbitol; Ethanol, 2,2'-oxybis-, dimethyl ether; Glyme-2; Poly-Solv; 2-(2-Methoxyethoxy)-1-methoxyethane; 2,5,8-Trioxanonane; CH3OCH2CH2OCH2CH2OCH3; Dimethoxydiethylene glycol; Dimethyldigol; Diethyl glycol dimethyl ether; 1,1'-Oxybis(2-methoxy)ethane; 2,2'-Oxybisethanol dimethyl ether; Diglycol methyl ether; NSC 59726; Methyl diglyme; diglyme (diethylene glycol dimethyl ether)
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -124.6 | kcal/mol | Semi | Stewart, 2004 | |
| ΔfH°gas | -122.3 | kcal/mol | N/A | Gutner, Lebedeva, et al., 1980 | Value computed using ΔfHliquid° value of -556.4±0.9 kj/mol from Gutner, Lebedeva, et al., 1980 and ΔvapH° value of 44.7 kj/mol from Mansson, 1969.; DRB |
| ΔfH°gas | -125.4 | kcal/mol | N/A | Baroody and Carpenter, 1972 | Value computed using ΔfHliquid° value of -569.4 kj/mol from Baroody and Carpenter, 1972 and ΔvapH° value of 44.7 kj/mol from Mansson, 1969.; DRB |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics 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 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 |
|---|---|---|---|---|---|
| ΔfH°liquid | -133.0 ± 0.2 | kcal/mol | Ccb | Gutner, Lebedeva, et al., 1980 | ALS |
| ΔfH°liquid | -136.1 | kcal/mol | Ccb | Baroody and Carpenter, 1972 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°liquid | -909.5 ± 0.2 | kcal/mol | Ccb | Gutner, Lebedeva, et al., 1980 | Corresponding ΔfHºliquid = -133.0 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| S°liquid | 84.30 | cal/mol*K | N/A | Beaumont, Clegg, et al., 1966 | Extrapolation below 90 K, 79.91 J/mol*K.; DH |
Constant pressure heat capacity of liquid
| Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 66.386 | 298.15 | Trejo, Costas, et al., 1991 | DH |
| 66.883 | 298.15 | Villamanan, Casanova, et al., 1982 | DH |
| 65.51 | 298.15 | Beaumont, Clegg, et al., 1966 | T = 90 to 350 K.; DH |
Gas phase ion energetics data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, 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
Data compiled as indicated in comments:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Proton affinity (review) | 219.6 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
| Quantity | Value | Units | Method | Reference | Comment |
| Gas basicity | 208.2 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
| IE (eV) | Method | Reference | Comment |
|---|---|---|---|
| 9.8 | PE | Baker, Armen, et al., 1983 | Vertical value; LBLHLM |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Stewart, 2004
Stewart, J.J.P.,
Comparison of the accuracy of semiempirical and some DFT methods for predicting heats of formation,
J. Mol. Model, 2004, 10, 1, 6-10, https://doi.org/10.1007/s00894-003-0157-6
. [all data]
Gutner, Lebedeva, et al., 1980
Gutner, N.M.; Lebedeva, N.D.; Dobychin, S.L.; Kiseleva, N.N.,
Thermochemical study of aliphatic ethers,
J. Appl. Chem. USSR, 1980, 53, 1523-1525. [all data]
Mansson, 1969
Mansson, M.,
Non-bonded oxygen-oxygen interactions in straight-chain compounds,
J. Chem. Thermodyn., 1969, 1, 141-151. [all data]
Baroody and Carpenter, 1972
Baroody, E.E.; Carpenter, G.A.,
Heats of formation of propellant compounds (U), Rpt. Naval Ordnance Systems Command Task No. 331-003/067-1/UR2402-001 for Naval Ordance Station, Indian Head, MD, 1972, 1-9. [all data]
Beaumont, Clegg, et al., 1966
Beaumont, R.H.; Clegg, B.; Gee, G.; Herbert, J.B.M.; Marks, D.J.; Roberts, R.C.; Sims, D.,
Heat capacities of propylene oxide and of some polymers of ethylene and propylene oxides,
Polymer, 1966, 7, 401-416. [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]
Villamanan, Casanova, et al., 1982
Villamanan, M.A.; Casanova, C.; Roux-Desgranges, G.; Grolier, J.-P.E.,
Thermochemical behavior of mixtures of n-alcohol + aliphatic ether: heat capacities and volumes at 298.15 K,
Thermochim. Acta, 1982, 52, 279-283. [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]
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]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°liquid Entropy of liquid at standard conditions ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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