Figure 18From: Design of co-crystals/salts of some Nitrogenous bases and some derivatives of thiophene carboxylic acids through a combination of hydrogen and halogen bondsPlot of ΔpKa vs ΔDc-o for compounds. Blue (cytosine salt) red block (ampy salt) red box (ampy cocrystal) black (bipy cocrystal) green (44TMBP cocrystal).Back to article page