1,4-Benzenedicarboxaldehyde
- Formula: C8H6O2
- Molecular weight: 134.1320
- IUPAC Standard InChI: InChI=1S/C8H6O2/c9-5-7-1-2-8(6-10)4-3-7/h1-6H
- IUPAC Standard InChIKey: KUCOHFSKRZZVRO-UHFFFAOYSA-N
- CAS Registry Number: 623-27-8
- Chemical structure:
This structure is also available as a 2d Mol file - Other names: Terephthaladehyde; p-Benzenedicarboxaldehyde; p-Formylbenzaldehyde; p-Phthalaldehyde; Terephthalaldehyde; Terephthalic aldehyde; 1,4-Diformylbenzene; 4-Formylbenzaldehyde; Terephthaldicarboxaldehyde; Terephthaldialdehyde; Terephthaldehyde; Terephtaldehyde; 1,4-Benzenedialdehyde; 1,4-Benzenedicarbaldehyde; p-Phthaldialdehyde; p-Benzenedialdehyde; NSC 13395
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Gas phase ion energetics 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 as indicated in comments:
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess
View reactions leading to C8H6O2+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 1.236 ± 0.087 | IMRE | Mishima, Huh, et al., 1993 | ΔGea(343 K)=-29.4 kcal/mol. Reanchored to EA(PhNO2), Kebarle and Chowdhury, 1987.; B |
| 1.284 ± 0.087 | IMRE | Huh, Kang, et al., 1999 | ΔG(EA) 343K; anchored to ΔG value. Including anchor ΔS, EA is ca. 0.4 kcal/mol more bound.; B |
| 0.560005 | 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 |
|---|---|---|---|
| 10.13 ± 0.01 | EI | Kuhn, Levins, et al., 1968 | RDSH |
References
Go To: Top, 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.
Mishima, Huh, et al., 1993
Mishima, M.; Huh, C.; Nakamura, H.; Fujio, M.; Tsuno, Y.,
Electron Affinities of Benzaldehydes. Substituent Effects on Stabilities of Aromatic Radical Anions.,
Tetrahed. Lett., 1993, 34, 26, 4223, https://doi.org/10.1016/S0040-4039(00)60533-6
. [all data]
Kebarle and Chowdhury, 1987
Kebarle, P.; Chowdhury, S.,
Electron affinities and electron transfer reactions,
Chem. Rev., 1987, 87, 513. [all data]
Huh, Kang, et al., 1999
Huh, C.; Kang, C.H.; Lee, H.W.; Nakamura, H.; Mishima, M.; Tsuno, Y.; Yamataka, H.,
Thermodynamic stabilities and resonance demand of aromatic radical anions in the gas phase,
Bull. Chem. Soc. Japan, 1999, 72, 5, 1083-1091, https://doi.org/10.1246/bcsj.72.1083
. [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 ion energetics data, References
- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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