1,3-Benzenedicarboxylic acid, dimethyl ester
- Formula: C10H10O4
- Molecular weight: 194.1840
- IUPAC Standard InChIKey: VNGOYPQMJFJDLV-UHFFFAOYSA-N
- CAS Registry Number: 1459-93-4
- 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: Isophthalic acid, dimethyl ester; Dimethyl isophthalate; Dimethyl m-phthalate; Dimethyl 1,3-benzenedicarboxylate; Methyl isophthalate; Methyl 3-(carbomethoxy)benzoate; Dimethylester kyseliny tereftalove; Dimethylester kyseliny isoftalove; Dimethyl benzene-1,3-dicarboxylate; Morflex 1129; Uniplex 270; 1,3-Benzenedicarboxylic acid, 1,3-dimethyl ester; NSC 15313
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -629.2 ± 2.0 | kJ/mol | Ccb | Roux, Jimenez, et al., 1998 | ALS |
ΔfH°gas | -630.0 | kJ/mol | N/A | Colomina, Laynez, et al., 1972 | Value computed using ΔfHsolid° value of -730.9±1.0 kj/mol from Colomina, Laynez, et al., 1972 and ΔsubH° value of 100.9 kj/mol from Roux, Jimenez, et al., 1998.; 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°solid | -730.1 ± 2.0 | kJ/mol | Ccb | Roux, Jimenez, et al., 1998 | |
ΔfH°solid | -730.9 ± 1.0 | kJ/mol | Ccb | Colomina, Laynez, et al., 1972 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -4634.2 ± 1.5 | kJ/mol | Ccb | Roux, Jimenez, et al., 1998 | Corresponding ΔfHºsolid = -730.1 kJ/mol (simple calculation by NIST; no Washburn corrections) |
ΔcH°solid | -4633.37 ± 0.88 | kJ/mol | Ccb | Colomina, Laynez, et al., 1972 | Corresponding ΔfHºsolid = -730.88 kJ/mol (simple calculation by NIST; no Washburn corrections) |
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:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 843.5 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 814.3 | kJ/mol | N/A | Hunter and Lias, 1998 | HL |
Electron affinity determinations
EA (eV) | Method | Reference | Comment |
---|---|---|---|
0.550032 | ECD | Kuhn, Levins, et al., 1968 | Done at constant temperature, accuracy uncertain: Chen and Wentworth, 1989;; B |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.84 ± 0.09 | EI | Kuhn, Levins, et al., 1968 | RDSH |
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.
Roux, Jimenez, et al., 1998
Roux, M.A.; Jimenez, P.; Davalos, J.Z.; Turrion, C.; Afeefy, H.Y.; Liebman, J.F.,
Enthalpies of formation of methyl benzenecarboxylates,
J. Chem. Soc. Faraday Trans., 1998, 94, 887-890. [all data]
Colomina, Laynez, et al., 1972
Colomina, M.; Laynez, J.L.; Perez-Ossorio, R.; Turrion, C.,
Enthalpies of combustion and formation of six methyl esters of benzene carboxylic acids,
J. Chem. Thermodyn., 1972, 4, 499-506. [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]
Kuhn, Levins, et al., 1968
Kuhn, W.F.; Levins, R.J.; Lilly, A.C., Jr.,
Electron affinities and ionization potentials of phthalate compounds,
J. Chem. Phys., 1968, 49, 5550. [all data]
Chen and Wentworth, 1989
Chen, E.C.M.; Wentworth, W.E.,
Experimental Determination of Electron Affinities of Organic Molecules,
Mol. Cryst. Liq. Cryst., 1989, 171, 271. [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:
EA Electron affinity ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
- Customer support for NIST Standard Reference Data products.