Fluorescence property and solvent effect on m-bromosalicylaldehyde derivative; insights from synthesis, characterization, antimicrobial activity and computational studies

•The compound was synthesized with reaction of 5-bromosalicylaldehyde and ethylenediamine.•Solvation study was done with DLPNO-CCSD(T) coupled cluster using water as the solvent.•The active sites and interaction were determined using molecular electrostatic potential, ELF, LOL, and RDG.•Electronic properties were analysed by UV-Visible spectrum and frontier molecular orbital analysis.•Compound is a good optical material.