2ME4N2CO snPH2CL2: SPECTROSCOPIC STUDIES AN UNEXPECTED IONIC STRUCTURE IN SOLID STATE

A 2:1 tetramethylurea (TMU) diphenyltin dichloride adduct has been synthesized and characterized by elemental analyses, i.r, NMR and M ssbauer spectroscopies. According to the state of the compound (solid or in solution), the structure is ionic or molecular.