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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Antiferromagnetic ordering based on intermolecular London dispersion interactions in amphiphilic TEMPO ammonium salts

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Author(s):
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Exner, Jessica [1] ; Eusterwiemann, Steffen [1] ; Janka, Oliver [2] ; Doerenkamp, Carsten [3, 4] ; Massolle, Anja [1, 5] ; Niehaus, Oliver [2] ; Daniliuc, Constantin G. [1] ; Poettgen, Rainer [2] ; Neugebauer, Johannes [1, 5] ; Studer, Armido [1] ; Eckert, Hellmut [3, 4]
Total Authors: 11
Affiliation:
[1] Westfalische Wilhelms Univ Munster, Inst Organ Chem, Corrensstr 40, D-48149 Munster - Germany
[2] Westfalische Wilhelms Univ Munster, Inst Anorgan & Analyt Chem, Corrensstr 30, D-48149 Munster - Germany
[3] Westfalische Wilhelms Univ Munster, Inst Phys Chem, Corrensstr 28-30, D-48149 Munster - Germany
[4] Univ Sao Paulo, Sao Carlos Inst Phys, Av Trab Sao Carlense 400, BR-13566590 Sao Carlos, SP - Brazil
[5] Ctr Multiscale Theory & Computat, Corrensstr 40, D-48149 Munster - Germany
Total Affiliations: 5
Document type: Journal article
Source: Physical Chemistry Chemical Physics; v. 20, n. 46, p. 28979-28983, DEC 14 2018.
Web of Science Citations: 0
Abstract

Antiferromagnetic coupling in TEMPO-based radicals can be enhanced via self-assembly through London dispersion interactions in amphiphilic solids. The synthesis, magnetic characterization, and three crystal structures of the solid radical ion salts (R-DMAT-n)X with various counterions X and alkyl chain lengths n are reported. Magnetic susceptibility and absolute EPR signal intensity measurements show singlet-triplet transitions in a number of cases, which is discussed in relation to the crystal structures. Antiferromagnetic ordering effects are sensitive to both the length of the alkyl chain and the counter anion. (AU)

FAPESP's process: 17/06649-0 - New Optical Materials based on Rare-Earth Doped Oxyfluoride Glasses and Ceramics: Structural Studies by Electron Paramagnetic Resonance Methods
Grantee:Carsten Doerenkamp
Support type: Scholarships in Brazil - Post-Doctorate