1. NEW COPPER(I) AND COPPER(II) TETRAORGANODICHALCOGENOIMIDODIPHOSPHINATES. CRYSTAL AND MOLECULAR STRUCTURE OF THE FIRST MONOTHIOIMIDODIPHOSPHINATO COPPER(I) COMPLEX, CU4[(OPME2)(SPPH2)N]4∙6CH2CL2. Authors: ADINA ROTAR, OVIDIU MOLDOVAN, S.I. FARCAS, RICHARD A. VARGA, CRISTIAN SILVESTRU, ANCA SILVESTRU.