The importance of pi interactions in crystal engineeringprovides an essential overview of this important aspect of crystal engineering for both entrants to the field as well as established practitioners and for those working in crystallography medicinal and pharmaceutical sciences solid state chemistry physical chemistry materials and . Request pdf the importance of pi interactions in crystal engineering frontiers in crystal engineering introductionprobing aromatic aromatic interactions and ch interactions . Ch pi interactions between the coordinated acetylacetonato ligand and phenyl rings were analyzed in the crystal structures from the cambridge structural database and by quantum chemical calculations. Crystal engineers aim to control the way molecules aggregate in the crystalline phase and are therefore concerned with crystal structure prediction polymorphism and discovering the relative importance of different types of intermolecular forces and their influence on molecular structure in order to design crystal structures knowledge of the types strengths and nature of possible . The importance of pi interactions in crystal engineeringprovides an essential overview of this important aspect of crystal engineering for both entrants to the field as well as established practitioners and for those working in crystallography medicinal and pharmaceutical sciences solid state chemistry physical chemistry materials and