Isophthalaldehyde
- Formula: C8H6O2
- Molecular weight: 134.1320
- IUPAC Standard InChI: InChI=1S/C8H6O2/c9-5-7-2-1-3-8(4-7)6-10/h1-6H
- IUPAC Standard InChIKey: IZALUMVGBVKPJD-UHFFFAOYSA-N
- CAS Registry Number: 626-19-7
- 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: m-Phthalaldehyde; Isophthalic dicarboxaldehyde; Isophthaldehyde; 1,3-Benzenedicarboxaldehyde; Isophtaldehydes
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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 by: John E. Bartmess
View reactions leading to C8H6O2+ (ion structure unspecified)
Electron affinity determinations
| EA (eV) | Method | Reference | Comment |
|---|---|---|---|
| 0.971 ± 0.087 | IMRE | Mishima, Huh, et al., 1993 | ΔGea(343 K)=-23.0 kcal/mol. Reanchored to EA(PhNO2), Kebarle and Chowdhury, 1987. |
| 1.010 ± 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. |
Gas Chromatography
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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
Normal alkane RI, polar column, temperature ramp
| Column type | Active phase | I | Reference | Comment |
|---|---|---|---|---|
| Capillary | DB-Wax | 2341. | Lee and Shibamoto, 2001 | 30. m/0.25 mm/0.25 μm, He, 3. K/min, 180. C @ 40. min; Tstart: 50. C |
References
Go To: Top, Gas phase ion energetics data, Gas Chromatography, 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]
Lee and Shibamoto, 2001
Lee, K.-G.; Shibamoto, T.,
Antioxidant property of aroma extract isolated from clove buds [Syzygium aromaticum (L.) Merr. et Perry],
Food Chem., 2001, 74, 4, 443-448, https://doi.org/10.1016/S0308-8146(01)00161-3
. [all data]
Notes
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- Symbols used in this document:
EA Electron affinity - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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