Synthesis Characterization, Crystal Structure, and Fluorescence of a New Samarium Schiff Base Complex

Abstract

A new samarium Schiff base complex with the formula [Sm^III(NO₃)₃(H₂O)L₂].EtOH, where L = {(E)-2- (((4-(ethoxycarbonyl)phenyl)iminio)-methyl)phenolate}, is synthesized. Its molecular structure is determined by means of single crystal X-ray diffraction (XRD). The complex crystallizes in the orthorhombic space group Pbca with the following unit cell dimensions: a = 14.1304(19) Å, b = 18.0218(13) Å, and c = 31.246(2) Å. Photoluminescence characteristics of the complex are investigated experimentally in the solid state and obtained theoretically using the Sparkle/PM7 modeling. Moreover, several methods such as powder XRD, FT-IR and UV-Visible spectroscopy are utilized to confirm the structure of the complex.