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Geometries that confer unusual spin and oxidation states to first row metals

Peters, Jonas C. (2006) Geometries that confer unusual spin and oxidation states to first row metals. Abstracts of Papers of the American Chemical Society, 231 . INOR 631. ISSN 0065-7727. https://resolver.caltech.edu/CaltechAUTHORS:20140729-143927509

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Abstract

Stereochem. and electronic structure phenomena of the first row transition ions are central issues in coordination chem. These properties are strongly coupled, and the exptl. detn. of one often intimates a great deal about the other. Our group has an ongoing interest in using ligand design and the methods of inorg. synthesis to prep. transition metal complexes that have unusual spin and oxidn. states. For example, we have been able to prep. examples of pseudotetrahedral Fe(II), Fe(III), and Fe(IV) complexes in which the iron center in each complex is low spin. Likewise, we have reported examples of pseudotetrahedral Co(II) and Co(III) complexes that populated low spin ground states. In this talk I will discuss new data for these types of systems, and I will also discuss ligands and complexes that have been receiving our lab's attention more recently. For instance, we have been able to prep. a family of dicopper complexes whose copper centers are pseudotetrahedral that can reversibly access the oxidn. states Cu(I)Cu(I), Cu(1.5)Cu(1.5), and Cu(II)Cu(II) with minimal changes to their overall structural topologies, but large changes to their Cu-Cu distances and their Cu-X-Cu angles (where X is a bridging ligand) as a function of oxidn. state. By manipulating the auxiliary ligands of these dicopper systems, their geometric and electronic properties can be perturbed in a fascinating way.


Item Type:Article
ORCID:
AuthorORCID
Peters, Jonas C.0000-0002-6610-4414
Additional Information:© 2006 American Chemical Society.
Record Number:CaltechAUTHORS:20140729-143927509
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140729-143927509
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:47566
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:30 Jul 2014 18:44
Last Modified:26 Nov 2019 11:15

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