PQQ(aq)
Formation Gibbs Energy
Estimated ΔfG'm -907.0 ± 21.3 [kJ/mol]    Enter custom concentration »
Estimated ΔfG'° -889.9 ± 21.3 [kJ/mol]
Estimated using Component Contribution (2013)
pH
Ionic strength [M]
General Properties
Formula C14H6N2O8
Common names PQQ; 4,5-Dioxo-4,5-dihydro-1H-pyrrolo[2,3-f]quinoline-2,7,9-tricarboxylate; Methoxatin; Pyrrolo-quinoline quinone; Pyrroloquinoline quinone; Pyrroloquinoline-quinone; C00113
Molar Mass 330.01 [Da]
Structure
Links KEGG »
Species Formation Energies
Phase Net charge #Hydrogens Δf [kJ/mol] ΔfG'° [kJ/mol] Reference
aqueous -4 2 -940.8 -869.5 Component Contribution (2013)
aqueous -3 3 -1006.0 -889.9
aqueous -2 4 -1029.0 -869.3
aqueous -1 5 -1049.2 -847.1
aqueous 0 6 -1066.6 -823.3