Abstract
Six different crystal structures are obtained depending on the crystallization solvent.
Highlights
A systematic study of the influence of solvent on the crystal packing behaviour of Reichardt's dye demonstrates that the structure of the assembly formed in the solid state depends on the nature of the solvent–solute interactions present in the solution phase
Apolar aprotic solvents lead to solvates with a hexagonal channel topology, but this supramolecular assembly is perturbed by the presence of aromatic or polar protic solvents
We report a systematic study of solvatomorphism of 1 based on crystallisation experiments in a wide range of different solvent systems
Summary
A systematic study of the influence of solvent on the crystal packing behaviour of Reichardt's dye demonstrates that the structure of the assembly formed in the solid state depends on the nature of the solvent–solute interactions present in the solution phase. 15) and are filled with disordered solvent molecules.[16] All of the crystal structures with the 7.2 Å channel packing arrangement were very similar. This is the first example of a solid-state structure of Reichardt's dye that does not contain solvent molecules.
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