Author:
Cozak Daniel,Butler Ian S.
Abstract
The 13C nmr shielding effect at the carbonyl ligands due to the paramagnetic current in the non-bonding d orbitals of the metal in the group VIB M(CO)6 complexes has been evaluated. For these complexes, the only contribution of significant importance to the chemical shielding calculated for the carbonyl ligands is opposite to that observed experimentally. The carbonyl chemical shift produced by substitution of one of the carbonyl ligands is discussed in terms of electronic structure of the metal and the metal–carbonyl bond lengths in the M(CO)5L complexes.
Publisher
Canadian Science Publishing
Subject
Organic Chemistry,General Chemistry,Catalysis
Cited by
3 articles.
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