Anionic Stacks of Alkali-Interlinked Yttrium and Dysprosium Bicyclooctatetraenes in Isolation
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资源简介：
Electrospray
ionization of THF solutions of preformed [K(18-c-6)][M(COT)2] (M = Dy(III), Y(III); COT = C8H82–,18-c-6 = C12H24O6) yields the isolated
species [(M(COT)2)n+1 + nK]− with n = 0–3.
High-resolution ion mobility spectrometry combined
with density functional theory calculations performed for the n = 0–2 aggregates indicate that anionic multidecker
stacks interlinked by potassium cations are formed. The alternating
metal ions are aligned linearly: COT2––M3+–COT2––K+–COT2––M3+–COT2–. The different M3+ ionic radii lead to slight but resolvable
changes in mobility and thus collision cross sections indicative of
different overall heights of the multidecker stacks. CID measurements
show that the aggregates fragment by cleavage at the K+ interconnections.
创建时间：
2022-03-17
