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The First Mononuclear η 2 ‐C 60 Complex of Osmium: Synthesis and X‐ray Crystal Structure of [(η 2 ‐C 60 )Os(CO)( t BuNC)(PPh 3 ) 2 ]
Author(s) -
Usatov Alexander V.,
Martynova Ekaterina V.,
Neretin Ivan S.,
Slovokhotov Yuri L.,
Peregudov Alexander S.,
Novikov Yurii N.
Publication year - 2003
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/ejic.200300078
Subject(s) - osmium , chemistry , crystallography , trigonal bipyramidal molecular geometry , ligand (biochemistry) , crystal structure , dithiocarbamate , x ray crystallography , nuclear magnetic resonance spectroscopy , stereochemistry , ruthenium , diffraction , optics , biochemistry , physics , receptor , organic chemistry , catalysis
The interaction of C 60 fullerene with the cis ‐dihydride osmium complex [OsH 2 (CO)(PPh 3 ) 3 ] ( I ) in the presence of t BuNC gives a novel metal complex [(η 2 ‐C 60 )Os(CO)‐( t BuNC)(PPh 3 ) 2 ] ( II ) as the first mononuclear osmium complex with an η 2 ‐coordinated fullerene ligand. Complex II was isolated and characterized by elemental analysis, UV, IR, 1 H and 31 P NMR spectroscopy. An X‐ray diffraction study of II as its dichlorobenzene solvate revealed a distorted trigonal bipyramidal coordination of the Os atom, with a 6/6 bond of C 60 and two PPh 3 ligands in the equatorial plane and CO and t BuNC as axial ligands. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)
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