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- W4308245823 startingPage "7249" @default.
- W4308245823 abstract "Rollover cyclometalated complexes constitute a family of derivatives which differ from classical cyclometalated species in certain aspects. Various potential application fields have been developed for both classes of compounds, which have both similarities and differences. In order to uncover the relationships and distinctions between these two families of compounds, four Pt(II) cyclometalated complexes derived from 2-phenylpyridine (ppy) and 2,2′-bipyridine (bpy), assumed as prototypical ligands, were compared. For this study, an electron rich isostructural and isoelectronic pair of compounds, [Pt(N^C)Me(PPh3)], and an electron-poorer compound, [Pt(N^C)Cl(PPh3)] were chosen (N^C = ppy or bpy). DFT calculations, cyclic voltammetry, and UV-Vis spectra also helped to shed light into these species. Due to the presence of the more electronegative nitrogen in place of a C-H group, the rollover bpy-H ligand becomes a slightly weaker donor than the classical ppy-H ligand, and hence, generates (slightly) more stable cyclometalated complexes, lower energy frontier molecular orbitals, and electron-poorer platinum centers. On the whole, it was revealed that classical and rollover complexes have overall structural similarity, which contrasts to their somewhat different chemical behavior." @default.
- W4308245823 created "2022-11-09" @default.
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- W4308245823 date "2022-10-25" @default.
- W4308245823 modified "2023-10-16" @default.
- W4308245823 title "Classical vs. Non-Classical Cyclometalated Pt(II) Complexes" @default.
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- W4308245823 doi "https://doi.org/10.3390/molecules27217249" @default.
- W4308245823 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/36364075" @default.
- W4308245823 hasPublicationYear "2022" @default.
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