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Fullerene and Carborane in One Coordination Sphere: Synthesis and Structure of a Mixed η 2 ‐C 60 and σ‐Carboranyl Complex of Iridium
Author(s) -
Usatov Alexander V.,
Martynova Ekaterina V.,
Dolgushin Fedor M.,
Peregudov Alexander S.,
Antipin Mikhail Yu.,
Novikov Yurii N.
Publication year - 2002
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/1099-0682(200210)2002:10<2565::aid-ejic2565>3.0.co;2-t
Subject(s) - chemistry , iridium , carborane , coordination sphere , moiety , fullerene , toluene , crystallography , crystal structure , metal , infrared spectroscopy , stereochemistry , organic chemistry , catalysis
The first representative of metal complexes containing two different polyhedral clusters (namely, a fullerene and a carborane) as ligands in the same coordination sphere of the metal atom, [(η 2 ‐C 60 )Ir( o ‐HCB 10 H 9 CCH 2 PPh 2 ‐ B , P )( t BuNC) 2 ] ( II ), was synthesized in the reaction of C 60 with the metallacyclic carboranyliridium dihydride complex [Ir(H) 2 ( o ‐HCB 10 H 9 CCH 2 PPh 2 ‐ B , P )(PPh 3 )(L)] (L = CO or PPh 3 ) by reflux in toluene in the presence of 2 equiv. of t BuNC. The compound obtained was characterized by analytical and spectroscopic (UV, IR, 1 H and 31 P NMR) data. The molecular structure of complex II was determined by single‐crystal X‐ray diffraction analysis, which showed that the most interesting structural feature of II is the distortion of the iridacyclopropane moiety due to the strong trans influence of the B‐σ‐carboranyl fragment. (© Wiley‐VCH Verlag GmbH, 69451 Weinheim, Germany, 2002