L-Cystine(aq)
Formation Gibbs Energy
Estimated ΔfG'm -197.2 ± 5.8 [kJ/mol]    Enter custom concentration »
Estimated ΔfG'° -180.1 ± 5.8 [kJ/mol]
Estimated using Component Contribution (2013)
pH
Ionic strength [M]
General Properties
Formula C6H12N2O4S2
Common names L-Cystine; L-Dicysteine; L-alpha-Diamino-beta-dithiolactic acid; alpha-Diamino-beta-dithiolactic acid; Cystine; Dicysteine; C00491
Molar Mass 240.02 [Da]
Structure
Links KEGG »
Species Formation Energies
Phase Net charge #Hydrogens Δf [kJ/mol] ΔfG'° [kJ/mol] Reference
aqueous -2 10 -563.4 -160.4 Component Contribution (2013)
aqueous -1 11 -616.7 -171.3
aqueous 0 12 -666.6 -180.0
aqueous 1 13 -679.5 -153.0
aqueous 2 14 -688.4 -123.2
aqueous 0 12 -666.5 -179.9 Alberty (2003)