All compounds were studiedīy mass spectrometry, 19F NMR spectroscopy, and DFT calculations. The new compounds C1-C84(CF3)10 (cage isomer unknown), C1-(C84-C2(11))(CF3)12 (X-ray structure reported T he reaction of a mixture of soluble higher fullerenes including C84 and C90 produced (both characterized by X-ray crystallography in this work) C2-(C78-C2v(2))(CF3)10 and C1-C78(CF3)14 (cage The reaction with a mixture of C78-D3(1), C78-C2v(2), and C78-C2v(3) produced
The reaction of trifluoroiodomethane with these and other soluble In carbon-arc fullerene-containing soots. Resulted in different amounts of the hollow higher fullerenes (HHFs) C76-D2(1), C78-C2v(2), and C78-C2v(3) Received JE-mail: Adding 1% of the metallic elements cerium, lanthanum, and yttrium to graphite rod electrodes Institute for Nanotechnology, Forschungszentrum Karlsruhe, Karlsruhe 76021, Germany
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Inorganic and Analytical Chemistry, Free UniVersity Berlin, D-14195 Berlin, Germany, and
Boltalina*,¶ĭepartment of Chemistry, Colorado State UniVersity, Fort Collins, Colorado 80523, Chemistryĭepartment, Moscow State UniVersity, Moscow 119992, Russia, Institute of Problems inĬhemical Physics, Russian Academy of Sciences, ChernogoloVka 142432, Russia, Institute for Twenty-One New Trifluoromethyl Derivatives of Soluble Cage The facility also offers departmental clients access to the Cambridge Structural Database of well over 800,000 organic and organometallic structures.Synthesis and X-ray or NMR/DFT Structure Elucidation of Some research groups with their own crystallographic computing resources use data collected by the facility to solve and refine their own structures. The crystallographer is available for consultation when structural material is to be published, and will gladly assist in the preparation of publication-ready material (tables, descriptions, diagrams, Crystallographic Information Files ) as required by the journal of interest.
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Structures are normally fully solved and refined by the staff crystallographer, with full structure reports (tables of experimental parameters, atomic coordinates, interatomic distances and angles, and structural diagrams) being supplied to the researcher(s). Crystal samples are usually cooled under a cold nitrogen stream during data collection in order to enhance data quality and to protect sensitive samples from decomposition. Data are collected using (a) a Bruker D8 Duo diffractometer / SMART APEX II CCD area detector system equipped with two radiation sources (Cu microsource and and Mo sealed-tube) or (b) a Bruker PLATFORM diffractometer equipped with a SMART APEX II CCD area detector and a sealed-tube (Mo) source. The X-ray Crystallography Laboratory (XCL) provides single-crystal X-ray crystallographic services to the Department.
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