Heteroleptic cyclometalated platinum (II) complexes bearing diarylamino-functionalized 1- phenylisoquinoline derivatives as primary ligand and acetyl acetonate as ancillary ligand were prepared and characterized. Single-crystal X-ray diffraction revealed that platinum (II)(4-(isoquinolin-1-yl)-N, N-diphenylbenzenamine-N, C2′)(2, 4-pentanedionato-O, O) displayed square planar molecular geometry with Pt··· Pt separation of 6.328 and 6.275 Å. ...