In this study, the new Eu(III) complex was hydrothermally synthesized using oxygen donor ligand and characterized by single crystal X-ray diffraction, elemental analysis, solid UV-Vis spectroscopy, FT-IR and photoluminescence properties. The crystal structure analysis of complex [C 7 H 9 EuO 9 S]( 1) indicates that the central lanthanide ions are coordinated by eight oxygen atoms in which six oxygen atoms from four ssaanionic ligands and two oxygen atoms from a coordinated water molecules. Complex 1 bridged by oxygen atoms from carboxyl and sulfonate groups of the ssaligands are formed in 1D chains. The 1D chains are linked together with ligand ssato form a 2D wave-like layers. All these wave-like layers are further interlinked via strong hydrogen bonding interaction resulting in 3D architecture. Additionally, solid state photoluminescence properties of complex 1 have been investigated in room temperature. The indirect energy transfer mechanism via an Antenna effect in complex 1 has been investigated in detail.