Heteroleptic Amidinate Complexes of Heavy Group 15 Elements – Synthesis, X-Ray Crystal Structures and Theoretical Calculations
Monosubstituted amidinate complexes [RC(NR′)2]ECl2 [E = Sb, R = tBu, R′ = iPr 1, Cy 2, 2,6‐iPr2C6H3 (Dipp) 3; R = nBu, R′ = iPr 4; E = Bi, R = tBu, R′ = iPr 5, Dipp 6] were prepared in high yields by salt elimination reactions of ECl3 with Li amidinates. 1–6 were characterized by elemental analyses, NMR and IR spectroscopy and single‐crystal X‐ray diffraction. In addition, computational calculations were performed to clarify the different bonding modes in 1 and 5.
Dedicated to Prof. Dietmar Seyferth on the occasion of his 80th birthday.
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© WILEY-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009