Reactions of platinum cluster ions with benzene

In this work, the cation and anion products of the reactions between platinum clusters produced by laser ablation and the benzene molecules seeded in argon have been studied using a high-resolution reflectron time-of-flight mass spectrometer (RTOFMS). The dominant cation products are C(6n)H(6n - k)](+) and Pt(m)(C(6)H(6))(n)](+) complexes, while the dominant anion products are dehydrogenated species, C(6)H(5)PtH](-), PtC(12)H(k)](-) and Pt(m)C(6)H(4) . . . (C(6)H(6))(n)](-), etc. Some important intermediate structures (PtC(6)H(6)](+), Pt(C(6)H(6))(2)](+), Pt(2)(C(6)H(6))(3)](+), C(6)H(5)PtH](-), Pt(2)C(6)H(4)](-), Pt(3)C(6)H(4)](-) and Pt(4)C(6)H(4)](-)) have been analyzed using density functional theory (DFT) calculations. Different reaction mechanisms are proposed for platinum cluster cations and anions with benzene, respectively.