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Title: Preparation and Crystallographic Characterization of a New Endohedral, Lu3N@C80.5(o-xylene), and Comparison with Sc3N@C80.5(o-xylene)
Authors: Steve Stevenson;Lee, Hon Man;Marilyn M. Olmstead;Carrie Kozikowski;Paige Stevenson;Alan L. Balch
Contributors: 化學系
Keywords: Endohedrals;Fullerenes;Lutetium;Scandium;Structure elucidation;X-ray diffraction
Date: 2002-10
Issue Date: 2014-08-14T04:28:47Z
Publisher: WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Abstract: The trimetallic nitride template (TNT) approach has been successfully utilized to prepare the new endohedral Lu3N@C80. Well-ordered crystals of Lu3N@C80⋅5 (o-xylene) and Sc3N@C80⋅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 C80 cage. Nevertheless, the positions of the metal atoms do produce a slight outward dislocation of the immediately adjacent carbon atoms.
Relation: Chemistry - A European Journal, 8(19): 4528-4535
Appears in Collections:[化學系] 期刊論文

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