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Issue 45, 2011
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Control of the transition temperatures of metallomesogens by specific interface design: application to Mn12 single molecule magnets

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Abstract

Reaction of the Single Molecule Magnet [Mn12O12(CH3CO2)16(H2O)4] (Mn12) with mesogenic dendritic ligands Li (i = 4, 5) quantitatively yields functional clusters [Mn12O12(Li-H)16(H2O)4] (i = 4, 5) that self-organize into a thermotropic SmA-type liquid crystalline phase. The perturbation of the molecular interface by methylation of the terminal mesogenic cyanobiphenyl groups induces a significant decrease of the clearing temperature without affecting the magnetic properties and the supramolecular organization of the Mn12-based clusters.

Graphical abstract: Control of the transition temperatures of metallomesogens by specific interface design: application to Mn12 single molecule magnets

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Article information


Submitted
13 May 2011
Accepted
21 Jun 2011
First published
22 Aug 2011

Dalton Trans., 2011,40, 12028-12032
Article type
Communication

Control of the transition temperatures of metallomesogens by specific interface design: application to Mn12 single molecule magnets

E. Terazzi, T. B. Jensen, B. Donnio, K. Buchwalder, C. Bourgogne, G. Rogez, B. Heinrich, J. Gallani and C. Piguet, Dalton Trans., 2011, 40, 12028
DOI: 10.1039/C1DT10908A

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