Tetrahedral [HnPt4(CO)4(P∧P)2]n+ (n = 1, 2; P∧P = CH2C(PPh2)2) Cationic Mono- and Dihydrido Carbonyl Clusters Obtained by Protonation of the Neutral Pt4(CO)4(P∧P)2
收藏Figshare2016-02-22 更新2026-04-29 收录
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https://figshare.com/articles/dataset/Tetrahedral_H_sub_i_n_i_sub_Pt_sub_4_sub_CO_sub_4_sub_P_sup_sup_P_sub_2_sub_sup_i_n_i_sup_i_n_i_1_2_P_sup_sup_P_CH_sub_2_sub_C_PPh_sub_2_sub_sub_2_sub_Cationic_Mono_and_Dihydrido_Carbonyl_Clusters_Obtained_by_Protonation_of_the_Neutral_Pt_sub_4_sub_CO_sub/2559655
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The reaction of [Pt12(CO)24]2– with CH2C(PPh2)2 (P∧P) results in the neutral tetrahedral cluster Pt4(CO)4(P∧P)2. This reacts with strong acids such as HBF4 to afford, first, the [HPt4(CO)4(P∧P)2]+ monohydride monocation and, then, the [H2Pt4(CO)4(P∧P)2]2+ dihydride dication. The three clusters have been fully characterized in solution by means of IR and 1H and 31P NMR spectroscopy. Both Pt4(CO)4(P∧P)2 and [H2Pt4(CO)4(P∧P)2]2+ are static in solution, whereas [HPt4(CO)4(P∧P)2]+ displays a fluxional behavior of the unique hydride ligand. In addition, the molecular structures of all these clusters have been fully determined in the solid state via single-crystal X-ray diffraction, showing that all of them possess the same 56-electron tetrahedral Pt4(CO)4(P∧P)2 core to which the hydride ligands are added stepwise.
创建时间：
2016-02-22
