(a) Observed (black points), calculated
(red line), and difference
profiles (green) for the Rietveld refinements of the CARB/CEBG-A cocrystal.
Blue tick marks denote the peak positions. (b) Comparison of the carbamazepine
(CARB, red), methyl paraben (polymorph I and a mixture of I and 107,
blue) products obtained after evaporating 1:1 mixtures of the two
components from acetonitrile and ethanol (green), and the CARB/CEBG-A
cocrystal (black). Dotted lines indicate selected key reflection peak
positions of methyl paraben polymorphs I and 107. (c) Packing diagram
CARB/CEBG-A viewed along the a crystallographic axis.