Directional control of π-stacked building blocks for crystal engineering: the 1,8-naphthalimide synthon

Abstract
Incorporating the 1,8-naphthalimide group into bis(pyrazolyl)methane ligands triggers the association of their rhenium(I) complexes into directionally ordered dimers in both solution and solid state, as demonstrated by ES+/MS, PGSE–NMR and X-ray diffraction studies.

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