首页> 外文期刊>Chemistry: A European journal >Preparation and Crystallographic Characterization of a New Endohedral, Lu_3N@C_80·5(o-xylene), and Comparison with Sc_3N@C_80·5(o-xylene)
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Preparation and Crystallographic Characterization of a New Endohedral, Lu_3N@C_80·5(o-xylene), and Comparison with Sc_3N@C_80·5(o-xylene)

机译:新型内六面体Lu_3N @ C_80·5(邻二甲苯)的制备,晶体学表征及与Sc_3N @ C_80·5(邻二甲苯)的比较

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摘要

The trimetallic nitride template (TNT) approach has been successfully utilized to prepare the new endohedral Lu_3N@C_80. Well-ordered crystals of Lu_3N@C_80·5(o-xylene) form upon cooling of o-xylene solutions of these endohedrals and they are isomorphous. Although the positions of the fullerene cage (which is fully ordered and located at a crystallographic center of symmetry) and the o-xylene molecules are nearly identical in these two structures, the positioning of the metal ions in the two crystals differ in significant ways.However, the expected difference in sizes of lutetium and scandium does not affect the dimensions of the C_80 cage. Nevertheless, the positions of the metal atoms do produce a slight outward dislocation of the immediately adjacent carbon atoms.
机译:三金属氮化物模板(TNT)方法已成功地用于制备新的内面Lu_3N @ C_80。 Lu_3N @ C_80·5(邻二甲苯)的有序晶体在冷却这些内面体的邻二甲苯溶液时形成,并且它们是同晶的。尽管在这两个结构中,富勒烯笼的位置(完全有序并位于晶体学的对称中心)和邻二甲苯分子几乎相同,但两个晶体中金属离子的位置却有很大不同。但是,the和dium尺寸的预期差异不会影响C_80笼的尺寸。然而,金属原子的位置确实会产生紧邻的碳原子的轻微向外位错。

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