A new family of Mn6 SMMs using phosphinate ligands

Ross Inglis; Scott J. Dalgarno; Euan K. Brechin

doi:10.1039/b927303d

A new family of Mn₆ SMMs using phosphinate ligands

Ross Inglis, Scott J. Dalgarno, Euan K. Brechin

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

A new family of hexametallic [Mn^III₆] Single-Molecule Magnets with general formula [Mn₆O₂(R-sao) ₆(X)₂(MeOH)_4-6] (R = H, Me, Et or Ph; X = O₂PHPh or O₂P(Ph)₂) have been synthesised and characterised. The molecules are new members of the [Mn₆] family of SMMs in which the carboxylate ligands have been replaced with phenyl- and diphenylphosphinate. The magnetic cores remain largely unaltered meaning that structural distortions of the Mn-N-O-Mn torsion angles in the [Mn₃O] subunits can be used to tune the magnetic properties, switching pairwise exchange interactions from antiferromagnetic to ferromagnetic. The results suggest that the Mn₆ building block, be it ferro- or antiferromagnetically coupled, could be an important building block for the formation of novel, functional 0-3D materials. © The Royal Society of Chemistry 2010.

Original language	English
Pages (from-to)	4826-4831
Number of pages	6
Journal	Dalton Transactions
Volume	39
Issue number	20
DOIs	https://doi.org/10.1039/b927303d
Publication status	Published - 2010

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title = "A new family of Mn6 SMMs using phosphinate ligands",

abstract = "A new family of hexametallic [MnIII6] Single-Molecule Magnets with general formula [Mn6O2(R-sao) 6(X)2(MeOH)4-6] (R = H, Me, Et or Ph; X = O2PHPh or O2P(Ph)2) have been synthesised and characterised. The molecules are new members of the [Mn6] family of SMMs in which the carboxylate ligands have been replaced with phenyl- and diphenylphosphinate. The magnetic cores remain largely unaltered meaning that structural distortions of the Mn-N-O-Mn torsion angles in the [Mn3O] subunits can be used to tune the magnetic properties, switching pairwise exchange interactions from antiferromagnetic to ferromagnetic. The results suggest that the Mn6 building block, be it ferro- or antiferromagnetically coupled, could be an important building block for the formation of novel, functional 0-3D materials. {\textcopyright} The Royal Society of Chemistry 2010.",

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T1 - A new family of Mn6 SMMs using phosphinate ligands

AU - Inglis, Ross

AU - Dalgarno, Scott J.

AU - Brechin, Euan K.

PY - 2010

Y1 - 2010

N2 - A new family of hexametallic [MnIII6] Single-Molecule Magnets with general formula [Mn6O2(R-sao) 6(X)2(MeOH)4-6] (R = H, Me, Et or Ph; X = O2PHPh or O2P(Ph)2) have been synthesised and characterised. The molecules are new members of the [Mn6] family of SMMs in which the carboxylate ligands have been replaced with phenyl- and diphenylphosphinate. The magnetic cores remain largely unaltered meaning that structural distortions of the Mn-N-O-Mn torsion angles in the [Mn3O] subunits can be used to tune the magnetic properties, switching pairwise exchange interactions from antiferromagnetic to ferromagnetic. The results suggest that the Mn6 building block, be it ferro- or antiferromagnetically coupled, could be an important building block for the formation of novel, functional 0-3D materials. © The Royal Society of Chemistry 2010.

AB - A new family of hexametallic [MnIII6] Single-Molecule Magnets with general formula [Mn6O2(R-sao) 6(X)2(MeOH)4-6] (R = H, Me, Et or Ph; X = O2PHPh or O2P(Ph)2) have been synthesised and characterised. The molecules are new members of the [Mn6] family of SMMs in which the carboxylate ligands have been replaced with phenyl- and diphenylphosphinate. The magnetic cores remain largely unaltered meaning that structural distortions of the Mn-N-O-Mn torsion angles in the [Mn3O] subunits can be used to tune the magnetic properties, switching pairwise exchange interactions from antiferromagnetic to ferromagnetic. The results suggest that the Mn6 building block, be it ferro- or antiferromagnetically coupled, could be an important building block for the formation of novel, functional 0-3D materials. © The Royal Society of Chemistry 2010.

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A new family of Mn₆ SMMs using phosphinate ligands

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