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Abstract
In this paper, we report the quantitative synthesis of the cyclopropane-type platinum-silene complex and its unusual interaction with benzene in the solid state, revealed by X-ray crystallography. Thus, three platinum complexes "dock" on hydrogens of one benzene molecule via weak van der Waals-type interactions. The cyclopropane nature of the complex in solution was confirmed by 29Si NMR spectroscopy. Also, an unusual 31P NMR spectrum of the complex in hexane was recorded, in which two phosphorus atoms with different chemical environments have similar chemical shifts but different values of J-coupling with platinum.
