A DFT overview of high-valent iron, cobalt and nickel tetraamidomacrocyclic ligand (TAML) complexes: The end of innocence?

Amidato- N ligands are normally viewed as classic, strongly σ-donating, innocent ligands. However, when coordinated to high-valent transition metal centers, tetraamidomacrocyclic ligands are often substantially noninnocent, i.e., exhibit radical character involving the amido π-systems. Even the so-c...

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Bibliographic Details
Published in:Journal of inorganic biochemistry 2006-04, Vol.100 (4), p.620-626
Main Authors: Conradie, Marrigje Marianne, Conradie, Jeanet, Ghosh, Abhik
Format: Article
Language:English
Subjects:
Cobalt - chemistry
Deprotonated amide
High-valent
Iron - chemistry
Ligands
Macrocyclic Compounds - chemistry
Models, Molecular
Nickel - chemistry
Noninnocence
TAML
Tetraamidomacrocyclic
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Summary:Amidato- N ligands are normally viewed as classic, strongly σ-donating, innocent ligands. However, when coordinated to high-valent transition metal centers, tetraamidomacrocyclic ligands are often substantially noninnocent, i.e., exhibit radical character involving the amido π-systems. Even the so-called MAC ∗ ligand, generally considered to be an innocent ligand, is noninnocent in several of its known complexes.
ISSN:0162-0134
1873-3344
DOI:10.1016/j.jinorgbio.2006.01.028