Predicting and Rationalizing Piezoelectricity in Racemic Bioorganic Molecular Crystals.

Analysis of the chemical structures underlying the low d 33 e f f crystals reveal a clear trend, they are predominantly small, highly hydroxylated molecules or contain multiple polar functional groups, such as polyols ( DL‐mannitol , pentane‐1,2,3,4,5‐pentol ) and hydroxy‐amino acids ( DL‐2‐hydroxyphenylalanine ) and other amino acid or sugar derivatives (Table S7 ).

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