Interpenetrating diruthenium tetraformate monocation, [RuII/III2(O2CH)4]+, based 3-D molecule-based magnets

Bretni S. Kennon; Kevin H. Stone; Peter W. Stephens; Joel S. Miller

doi:10.1039/B906437K

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Interpenetrating diruthenium tetraformate monocation, [Ru^II^/III₂(O₂CH)₄]⁺, based 3-D molecule-based magnets†

Bretni S. Kennon,^a Kevin H. Stone,^b Peter W. Stephens^b and Joel S. Miller*^a

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* Corresponding authors

^a Department of Chemistry, University of Utah, 315 S. 1400 E. RM 2124, Salt Lake City, Utah, USA
E-mail: jsmiller@chem.utah.edu

^b Department of Physics and Astronomy, Stony Brook University, Stony Brook, NY, USA
E-mail: Peter.Stephens@sunysb.edu

Abstract

Synthesis of [Ru₂(O₂CH)₄]₃[M^III(CN)₆] (M = Co, Fe) possessing an interpenetrating body center cubic (bcc) lattices was investigated utilizing several synthetic methods. The targeted interpenetrating bcc [a = 12.6621(3) Å] structure was obtained for [Ru₂(O₂CH)₄]₃[Co(CN)₆], and it exhibits χT(T) that is fit to a model which includes zero field splitting. Cyanide abstraction from [Cr(CN)₆]³⁻ occurs thwarting the formation of [Ru₂(O₂CH)₄]₃[M(CN)₆]. [Ru₂(O₂CH)₄]₃[Fe(CN)₆] also exhibits the desired bcc structure [12.7071(3) Å], and its 13.4 K T_c is a 6-fold enhancement with respect to that observed for [Ru₂(O₂CMe)₄]₃[Fe(CN)₆].

This article is part of the themed collection: Crystal engineering in molecular magnetism

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DOI: https://doi.org/10.1039/B906437K
Article type: Paper
Submitted: 31 Mar 2009
Accepted: 26 May 2009
First published: 30 Jun 2009

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CrystEngComm, 2009,11, 2185-2191

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Interpenetrating diruthenium tetraformate monocation, [Ru^II^/III₂(O₂CH)₄]⁺, based 3-D molecule-based magnets

B. S. Kennon, K. H. Stone, P. W. Stephens and J. S. Miller, CrystEngComm, 2009, 11, 2185 DOI: 10.1039/B906437K

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