Fig. 5: Comparison of the crystal structures between 1α and 1β phase.

a, b View of the packing structures of 1α at 296 K and 1β at 348 K. The disordered bonds are represented by thin lines. The C-bound H atoms have been omitted for clarity.

a, b View of the packing structures of 1α at 296 K and 1β at 348 K. The disordered bonds are represented by thin lines. The C-bound H atoms have been omitted for clarity.