Chloro Derivatives of Isomers of a Giant Fullerene C104: C104(234)Cl16/18, C104(812)Cl12/24, and C104(811)Cl28статья
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Аннотация:The chemistry of a giant fullerene C104 has been extended by the synthesis and structural study of several chloro derivatives of three Isolated-Pentagon-Rule (IPR) isomers of C104 nos. 234, 812, and 811. In the structure of C104(234)Cl16/18, two molecules with 16 and 18 attached Cl atoms occupy the same crystallographic site with an occupancy ratio of 61/39. The structures of C104(812)Cl12 and C104(812)Cl24 demonstrate structure-substructure relationship of their chlorination patterns with single and double Cl attachments to 12 cage pentagons. The structure of C104(811)Cl28 is compared with the known C104(811)Cl24 thus revealing dramatic changes in the chlorination pattern which occur at relatively small increase of the chlorination degree.