2,4-Dimethyl-5-carboxy-1H-pyrrole-3-propanoic acid 5-ethyl ester

Formula: C₁₂H₁₇NO₄
Molecular weight: 239.2677
CAS Registry Number: 37789-64-3
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Condensed phase thermochemistry data

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity	Value	Units	Method	Reference	Comment
Δ_fH°_solid	-935.9 ± 6.3	kJ/mol	Ccb	Rothemund and Beyer, 1932	Reanalyzed by Cox and Pilcher, 1970, Original value = -920.1 ± 6.3 kJ/mol; Author's Hf=-227.2±1.50
Quantity	Value	Units	Method	Reference	Comment
Δ_cH°_solid	-6215.8 ± 6.3	kJ/mol	Ccb	Rothemund and Beyer, 1932	Reanalyzed by Cox and Pilcher, 1970, Original value = -6231.6 ± 6.3 kJ/mol; Author's Hf=-227.2±1.50

References

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Rothemund and Beyer, 1932
Rothemund, P.; Beyer, H., Calorimetrische bestimmungen bei einfachen pyrrolen, Ann. Chim., 1932, 492, 292-298. [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]

Notes

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Symbols used in this document:

Δ_cH°_solid Enthalpy of combustion of solid at standard conditions

Δ_fH°_solid Enthalpy of formation of solid at standard conditions
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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Δ_cH°_solid	Enthalpy of combustion of solid at standard conditions
Δ_fH°_solid	Enthalpy of formation of solid at standard conditions