Methyl propyl ether
- Formula: C4H10O
- Molecular weight: 74.1216
- IUPAC Standard InChIKey: VNKYTQGIUYNRMY-UHFFFAOYSA-N
- CAS Registry Number: 557-17-5
- 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: Propane, 1-methoxy-; Ether, methyl propyl; Methyl n-propyl ether; Metopryl; Neothyl; 1-Methoxypropane; n-C3H7OCH3; α-Methoxy propane; UN 2612; Propyl methyl ether
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Gas phase thermochemistry data
Go To: Top, 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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -238.02 ± 0.85 | kJ/mol | Ccb | Fenwick, Harrop, et al., 1975 | ALS |
ΔfH°gas | -237.7 ± 1.1 | kJ/mol | Cm | Pilcher, Pell, et al., 1964 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°gas | -2765.5 ± 1.0 | kJ/mol | Cm | Pilcher, Pell, et al., 1964 | Corresponding ΔfHºgas = -237.7 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 352.0 | J/mol*K | N/A | Andon R.J.L., 1975 | GT |
Gas phase ion energetics data
Go To: Top, Gas 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
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 814.9 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 785.7 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.41 ± 0.07 | EI | Bowen and Maccoll, 1984 | LBLHLM |
9.73 | PE | Bachiri, Mouvier, et al., 1980 | Vertical value; LLK |
References
Go To: Top, Gas 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.
Fenwick, Harrop, et al., 1975
Fenwick, J.O.; Harrop, D.; Head, A.J.,
Thermodynamic properties of organic oxygen compounds. 41. Enthalpies of formation of eight ethers,
J. Chem. Thermodyn., 1975, 7, 943-954. [all data]
Pilcher, Pell, et al., 1964
Pilcher, G.; Pell, A.S.; Coleman, D.J.,
Measurements of heats of combustion by flame calorimetry. Part 2-Dimethyl ether, methyl ethyl ether, methyl n-propyl ether, methyl isopropyl ether,
Trans. Faraday Soc., 1964, 60, 499-505. [all data]
Andon R.J.L., 1975
Andon R.J.L.,
Thermodynamic properties of organic oxygen compounds. 40. Heat capacity and entropy of six ethers,
J. Chem. Thermodyn., 1975, 7, 593-606. [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]
Bowen and Maccoll, 1984
Bowen, R.D.; Maccoll, A.,
Low energy, low temperature mass spectra,
Org. Mass Spectrom., 1984, 19, 379. [all data]
Bachiri, Mouvier, et al., 1980
Bachiri, M.; Mouvier, G.; Carlier, P.; Dubois, J.E.,
Evaluation quantitative des effets de substituants sur les premiers potentiels d'ionisation de composes monofonctionnels aliphatiques,
J. Chim. Phys., 1980, 77, 899. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
S°gas Entropy of gas at standard conditions ΔcH°gas Enthalpy of combustion of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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