A variable-temperature X-ray diffraction and theoretical study of conformational polymorphism in a complex organic molecule (DTC).

Overall, though, these differences are barely significant, accounting for changes lower than 2.5% in the relative coverage of Hirshfeld surfaces, as expected for weak hydrogen bonded contacts in polymorphs of organic crystals. 66 In general, both the crystal forms of DTC are characterized by similar packing modes, with the A form exploiting a slightly higher packing efficiency, as testified by a lower cell volume (Section 3.1) and by the fact that, on average, similar intermolecular contacts are translated at longer distances in the B phase.

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