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Chlorinated Derivatives of C 78 ‐Fullerene Isomers with Unusually Short Intermolecular Halogen–Halogen Contacts
Author(s) -
Simeonov Kalin S.,
Amsharov Konstantin Yu.,
Jansen Martin
Publication year - 2008
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.200801182
Subject(s) - halogen , fullerene , intermolecular force , chemistry , medicinal chemistry , stereochemistry , organic chemistry , molecule , alkyl
The chlorinated fullerenes C 78 (2)Cl 18 and C 78 (3)Cl 18 were synthesized by highly selective chlorination of the individual isomers. They were crystallized as C 78 (2)Cl 18 ⋅ Br 2 ⋅ TiCl 4 and solvent free C 78 (3)Cl 18 . The carbon connectivities of both isomers have been confirmed through X‐ray single‐crystal analysis. Studious investigation of both crystal packings together with the crystal structure of C 78 (4)Cl 18 has revealed the presence of unusually short intermolecular halogen–halogen contacts, which provide evidence for attractive intermolecular interactions, the nature of which is discussed.