2,6-Naphthalenedicarboxylic acid
- Formula: C12H8O4
- Molecular weight: 216.1895
- IUPAC Standard InChI: InChI=1S/C12H8O4/c13-11(14)9-3-1-7-5-10(12(15)16)4-2-8(7)6-9/h1-6H,(H,13,14)(H,15,16)
- IUPAC Standard InChIKey: RXOHFPCZGPKIRD-UHFFFAOYSA-N
- CAS Registry Number: 1141-38-4
- 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: 2,6-Naphthalic acid; naphthalene-2,6-dicarboxylic acid
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Condensed phase 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:
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°solid | -184.09 ± 0.23 | kcal/mol | Ccr | Steele, Chirico, et al., 1991 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -1217.78 ± 0.19 | kcal/mol | Ccr | Steele, Chirico, et al., 1991 | Corresponding ΔfHºsolid = -184.09 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 55.04 | 298.15 | N/A | T = 305 to 665 K. C/R(c) = 0.0763T + 4.983 (305 to 665 K), R = 8.31451 J/mol*K.; DH |
References
Go To: Top, Condensed phase thermochemistry data, 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., 1991
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K.,
DIPPR PROJECT 871: Determination of ideal-gas enthalpies of formation for key compounds: The 1989 project results,
J. Chem. Thermodyn., 1991, 101-134. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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