名称:
Molecular structure and spectroscopy of divalent first row transition metals, Mn–Zn, with salicylaldiminate ligands
摘要:
The synthesis and spectroscopy of divalent first row transition metals bearing two monoanionic salicylaldiminate ligands is reported. The reaction of MnCl2, FeCl2, CoBr2, 1,2-(Ph2PCH2CH2PPh2)NiCl2, and CuCl2 with 2 equiv. of the alkali metal salt of [(OC6H2Bu2C)-Bu-t(H)=N(C6H3Me2)](1-) produces the corresponding M[(OC6H2Bu2C)-Bu-t(H)=N(C6H3Me2)](2), M = Mn, Fe, Co, Ni, and Cu. Reaction of ZnEt2 with 2 equiv. of the protonated ligand affords Zn[(OC6H2Bu2C)-Bu-t(H)=N(C6H3Me2)](2). The molecular structure of each complex has been analyzed using IR spectroscopy and X-ray crystallography while UV-Vis, CW-EPR, solution magnetic susceptibilities, and OFT calculations were also used to probe their electronic structure. Published by Elsevier Ltd.