Benzenehexacarboxylic acid
- Formula: C12H6O12
- Molecular weight: 342.1688
- IUPAC Standard InChI: InChI=1S/C12H6O12/c13-7(14)1-2(8(15)16)4(10(19)20)6(12(23)24)5(11(21)22)3(1)9(17)18/h(H,13,14)(H,15,16)(H,17,18)(H,19,20)(H,21,22)(H,23,24)
- IUPAC Standard InChIKey: YDSWCNNOKPMOTP-UHFFFAOYSA-N
- CAS Registry Number: 517-60-2
- 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: Mellitic acid; Hexacarboxybenzene; Mellic acid; 1,2,3,4,5,6-Benzenehexacarboxylic acid
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Condensed phase thermochemistry data
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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 | -2298.8 ± 1.2 | kJ/mol | Ccb | Yukhno and Bikkulov, 1971 | |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -3280.9 ± 1.2 | kJ/mol | Ccb | Yukhno and Bikkulov, 1971 | Corresponding ΔfHºsolid = -2298.7 kJ/mol (simple calculation by NIST; no Washburn corrections) |
Mass spectrum (electron ionization)
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Spectrum
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Additional Data
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| Owner | NIST Mass Spectrometry Data Center Collection (C) 2014 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
|---|---|
| Origin | Chemical Concepts |
| NIST MS number | 189335 |
References
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Yukhno and Bikkulov, 1971
Yukhno, G.F.; Bikkulov, A.Z.,
Enthalpies of combustion and formation of benzenecarboxylic acids,
Russ. J. Phys. Chem. (Engl. Transl.), 1971, 45, 924-925. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Mass spectrum (electron ionization), References
- Symbols used in this document:
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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