A Monometallic f Element Complex of Dinitrogen: (C<sub>5</sub>Me<sub>5</sub>)<sub>3</sub>U(η-N<sub>2</sub>)
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The reactivities of (C5Me5)3U and (C5Me4H)3U were compared using both common (THF) and nontraditional (N2) ligands for f elements. THF coordinates the less-crowded (C5Me4H)3U to form (C5Me4H)3U(THF) while ring opening occurs with sterically crowded (C5Me5)3U. N2 at 80 psi reacts with (C5Me5)3U to form (C5Me5)3U(η1-N2) [U−N(N2) = 2.492(10) Å, ν(N2) = 2207 cm-1, and cnt−U−N2 = 90°], whereas only (C5Me4H)3U was isolated under 80 psi of N2.
创建时间：
2016-05-07
