Synthetic Route of 254-60-4, The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.254-60-4, Name is 1,8-Diazanaphthalene, molecular formula is C8H6N2. In a Article£¬once mentioned of 254-60-4
Two new formamidinate-bridged Rh2II,II complexes, cis-[Rh2II,II(mu-DTolF)2(mu-np)2]2+ (3; DTolF = N,N?-di-p-tolylformamidinate; np = 1,8-naphthyridine) and cis-[Rh2II,II(mu-DTolF)2(kappa2-dap)2]2+ (4; dap = 1,12-diazaperylene), were synthesized from cis-[Rh2II,II(mu-DTolF)2(CH3CN)6](BF4)2 (1), and their properties were compared to those of cis-[Rh2II,II(mu-DTolF)2(phen)2](BF4)2 (2). Density functional theory (DFT) and electrochemical analyses support the description of the highest occupied molecular orbitals (HOMOs) of 3 and 4 as possessing contributions from the metals and formamidinate bridging ligands, with Rh2/form character, and lowest unoccupied molecular orbitals (LUMOs) localized on the respective diimine ligand np and dap pi orbitals. Both 3 and 4 display strong, low energy Rh2/form ? diimine(pi) metal/ligand-to-ligand charger transfer (1ML-LCT) transitions with maxima at 566 nm (epsilon = 3600 M-1 cm-1) for 3 and at 630 nm (epsilon = 2900 M-1 cm-1) for 4 in CH3CN. Time dependent-DFT (TD-DFT) calculations support these assignments. The ability of both the bridging np and chelating dap diimine ligands to produce strong absorption of these Rh2II,II complexes throughout the visible region is potentially useful for the development of new photocatalysts for H2 production and photochemotherapeutics.
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Reference£º
1,279-Naphthyridine – Wikipedia,
1,8-Naphthyridine | C8H6N273 – PubChem