Rationalization of weak interactions in two fluorescence active imidazo-[1,5-a]-pyridine derivatives: A combined experimental and computational study

Crystal structures and fluorescence property of two bromo substituted imidazo-[1,5-a]-pyridine derivatives have been studied via experimental and computational methods. These compounds exhibit blue emission and their supramolecular assemblies are stabilized through non-classical C−H⋯Br, C−H⋯N hydrogen bonds as well as C−Br⋯π, C−Br⋯Br−C halogen bonds.206