Citation: Maria Vanda Marinho; Maria Irene Yoshida; Kassilio J. Guedes; Klaus Krambrock; Adailton J. Bortoluzzi; Manfredo H\"orner; Fl\'avia C. Machado; Wagner M. Teles (2004). Synthesis, Crystal Structure, and Spectroscopic Characterization of trans-Bis[(\m-1,3-bis(4-pyridyl)propane)(\m-(3-thiopheneacetate-O)) (3-thiopheneacetate-O)]dicopper(II), {[Cu2(O2CCH2C4H3S)4\m-(BPP)2]}n: From a Dinuclear Paddle-Wheel Copper(II) Unit to a 2-D Coordination Polymer Involving Monatomic Carboxylate Bridges. Inorganic Chemistry, 43, pp. 1539-1544.