First-row transition metal-halide complexes supported by a monoanionic [N(2)P(2)] ligand |
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| Authors: | Chomitz Wayne A Mickenberg Seth F Arnold John |
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| Institution: | Department of Chemistry, University of California, Berkeley, CA 94720-1460, USA. |
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| Abstract: | Metal-halide complexes of a multidentate monoanionic ligand tBuN(H)SiMe2N(CH2CH2PiPr2)2, HN2P2], with Ti, V, Cr, Mn, Fe, Co, and Ni have been isolated and characterized. X-ray crystallographic studies were performed on N2P2]TiCl2 (3), N2P2]CrCl2 (5), N2P2]MnCl (6), N2P2]FeCl (7), N2P2]CoCl (8), and N2P2]NiBr (9), and the results revealed that the N2P2] ligand exhibits considerable flexibility in the manner in which it binds to first-row metals and that three distinct coordination modes are observed: kappa3-N2P (Ti), kappa3-NP2 (Mn, Fe, Co), and kappa4-N2P2 (Cr, Ni). Electrochemical (CV) data and room-temperature magnetic susceptibilities are also described. |
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