Figure 3
Dimer formation of the DUB·DMF system in the crystal through urea spacers. Symmetry code: (i) 1 − x, 1 − y, 1 − z; π1 and π7 are the centroids of the C1–C6 and C50A–C55A phenyl rings, respectively. Non-interacting hydrogen atoms on the pillar[5]arenes are omitted for clarity. |