A new class of single-molecule magnets: mixed-valent [Mn12O8Cl4(O2CPh)8(hmp)6]

Colette Boskovic; Euan K. Brechin; William E. Streib; Kirsten Folting; David N. Hendrickson; George Christou

doi:10.1039/B010038M

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A new class of single-molecule magnets: mixed-valent [Mn₁₂O₈Cl₄(O₂CPh)₈( hmp)₆]

Colette Boskovic,^a Euan K. Brechin,^a William E. Streib,^a Kirsten Folting,^a David N. Hendrickson*^b and George Christou*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry and the Molecular Structure Center, Indiana University, Bloomington, IN, USA.
E-mail: christou@indiana.edu

^b Department of Chemistry-0358, University of California at San Diego, La Jolla, CA, USA.
E-mail: dhendrickson@ucsd.edu

Abstract

The reaction of (NBuⁿ₄)[Mn₈O₆Cl₆(O ₂CPh)₇(H₂O)₂] with 2-(hydroxymethyl)pyridine (hmpH) or 2-(hydroxyethyl)pyridine (hepH) gives the Mn^II₂Mn^III₁₀ complexes [Mn₁₂O₈- Cl₄(O₂CPh)₈(hxp)₆] [hxp⁻ = hmp⁻ (1) or hep⁻ (2)]; these compounds are core isomers with markedly different magnetic properties, compound 1 having an S = 7 ground state and displaying strong out-of-phase ac susceptibility signals that establish it as a new class of single-molecule magnet, whereas compound 2 is a low-spin molecule with an S = 0 ground state.

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Supplementary files

Crystal structure data TXT (88K)

Additions and corrections

Correction HTM (3K)

Article information

DOI: https://doi.org/10.1039/B010038M
Article type: Communication
Submitted: 15 Dec 2000
Accepted: 12 Jan 2001
First published: 19 Feb 2001

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Chem. Commun., 2001, 467-468

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A new class of single-molecule magnets: mixed-valent [Mn₁₂O₈Cl₄(O₂CPh)₈( hmp)₆]

C. Boskovic, E. K. Brechin, W. E. Streib, K. Folting, D. N. Hendrickson and G. Christou, Chem. Commun., 2001, 467 DOI: 10.1039/B010038M

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