The Importance of a β-β Bond for Long-Range Antiferromagnetic Coupling in Directly Linked Copper(II) and Silver(II) Diporphyrins

Interaction over a distance: Long‐range antiferromagnetic interactions between distant copper(II) and silver(II) ions are observed only for triply and singly linked diporphyrins with at least one β–β bond, which underscores the critical importance of this direct bond for antiferromagnetic coupling....

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2005-10, Vol.44 (42), p.6899-6901
Main Authors: Ikeue, Takahisa, Furukawa, Ko, Hata, Hiroshi, Aratani, Naoki, Shinokubo, Hiroshi, Kato, Tatsuhisa, Osuka, Atsuhiro
Format: Article
Language:English
Subjects:
copper
Copper - chemistry
Magnetics
magnetochemistry
metal-metal interactions
Models, Chemical
Molecular Structure
Organometallic Compounds - chemistry
porphyrinoids
Porphyrins - chemistry
silver
Silver - chemistry
Temperature
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Summary:Interaction over a distance: Long‐range antiferromagnetic interactions between distant copper(II) and silver(II) ions are observed only for triply and singly linked diporphyrins with at least one β–β bond, which underscores the critical importance of this direct bond for antiferromagnetic coupling. These results can be qualitatively accounted for in terms of the spin distribution of copper(II) and silver(II) porphyrins (see picture).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.200501943