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Serendipitous isolation of a disappearing conformational polymorph of succinic acid challenges computational polymorph prediction

A conformational polymorph (γ) of succinic acid was discovered in an attempt to purify a leucine dipeptide by cocrystallization from a methanol solution in the presence of various impurities, such as trifluoroacetic acid. The new γ form was found to have crystallized concomitantly with the most stable β form

Authors:   Paolo Lucaioli; Elisa Nauha; Ilaria Gimondi; Louise Price; Rui Guo; Luca Iuzzolino; Ishwar Singh; Matteo Salvalaglio; Sarah L Price; Nicholas Blagden
Journal:   CrystEngComm
DOI:   10.1039/C8CE00625C
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