1H-Pyrrole-2-carboxaldehyde
- Formula: C5H5NO
- Molecular weight: 95.0993
- IUPAC Standard InChI: InChI=1S/C5H5NO/c7-4-5-2-1-3-6-5/h1-4,6H
- IUPAC Standard InChIKey: ZSKGQVFRTSEPJT-UHFFFAOYSA-N
- CAS Registry Number: 1003-29-8
- 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: Pyrrole-2-carboxaldehyde; Pyrrole-2-aldehyde; 2-Formylpyrrole; 2-Pyrrolylcarboxaldehyde; α-Pyrrolaldehyde; 2-Pyrrolecarbaldehyde; 2-Pyrrolecarboxaldehyde; 1H-Pyrrole-2-carboxyaldehyde; 2-Carboxaldehyde-1H-pyrrole; 2-Pyrrolaldehyde; 2-Pyrrolcarbaldehyde; NSC 112885; NSC 66394; 1H-Pyrrole-2-carbaldehyde; 129006-63-9; 1-Pyrrole-2-carboxaldehyde; 1( H)-pyrrole carboxaldehyde; Pyrrol-2-carboxaldehyde; pyrrole-2-carbaldehyde
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Condensed phase thermochemistry data
Go To: Top, 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 | -25.44 ± 0.60 | kcal/mol | Ccb | Stern and Klebs, 1933 | Reanalyzed by Cox and Pilcher, 1970, Original value = -24.3 kcal/mol; Heat of combustion at 288 K |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -615.60 ± 0.60 | kcal/mol | Ccb | Stern and Klebs, 1933 | Reanalyzed by Cox and Pilcher, 1970, Original value = -616.7 kcal/mol; Heat of combustion at 288 K |
Gas phase ion energetics data
Go To: Top, 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 compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
| IE (eV) | Method | Reference |
|---|---|---|
| 8.93 ± 0.05 | EI | Linda, Marino, et al., 1971 |
References
Go To: Top, 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.
Stern and Klebs, 1933
Stern, A.; Klebs, G.,
Calorimetrische bestimmungen bei mehrkernigen pyrrolderivaten. IV. 1. Experimentelle daten fur einige porphyrine, chlorine, phaophorbide and purpurine,
Ann. Chim., 1933, 505, 295-306. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Linda, Marino, et al., 1971
Linda, P.; Marino, G.; Pignataro, S.,
A comparison of sensitivities to substituent effects of five- membered heteroaromatic rings in gas phase ionization,
J. Chem. Soc. B, 1971, 1585. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, 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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