Catalytic Silylation of Dinitrogen with a Dicobalt Complex
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https://figshare.com/articles/dataset/Catalytic_Silylation_of_Dinitrogen_with_a_Dicobalt_Complex/2176603
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资源简介：
A dicobalt complex catalyzes N2 silylation with Me3SiCl and KC8 under
1 atm N2 at ambient
temperature. Tris(trimethylsilyl)amine is formed with an initial turnover
rate of 1 N(TMS)3/min, ultimately reaching a turnover number
of ∼200. The dicobalt species features a metal–metal
interaction, which we postulate is important to its function. Although
N2 functionalization occurs at a single cobalt site, the
second cobalt center modifies the electronics at the active site.
Density functional calculations reveal that the Co–Co interaction
evolves during the catalytic cycle: weakening upon N2 binding,
breaking with silylation of the metal-bound N2 and reforming
with expulsion of [N2(SiMe3)3]−.
创建时间：
2016-02-16
