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Abstract: A new magnetic ionic liquid (MIL) with 3D antiferromagnetic ordering has been synthetized and characterized. The information obtained from magnetic characterization was supplemented by analysis of DFT calculations and the magneto-structural correlations. The result gives no evidence for direct iron-iron interactions, corroborating that the 3D magnetic ordering in MILs takes place via super-exchange coupling containing two diamagnetic atoms intermediaries. Liquid attraction: The crystal structure, DFT calculations and magnetic properties of a new magnetic ionic liquid (MIL), Dimim[FeCl 4], which displays 3 D magnetic ordering below 6 K, is presented. The study of its magnetostructural correlations points to the relative importance of two influential factors on the strength of the magnetic interaction of MILs: the spin population into the metal complex anion and the distances and angles between the superexchange pathways, type M-X-X-M (M=Metal and X=halide).
Fuente: Chemistry - A European Journal, 2014, 20, 72-76
Publisher: Wiley-VCH Verlag
Publication date: 01/01/2014
No. of pages: 3
Publication type: Article
DOI: 10.1002/chem.201303602
ISSN: 0947-6539,1521-3765
Spanish project: MAT2011-27573-C04-01
Publication Url: http://onlinelibrary.wiley.com/doi/10.1002/chem.201303602/abstract
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ABEL GARCIA SAIZ
MIGOWSKI, PEDRO
VALLCORBA, ORIOL
FRANCISCO JAVIER JUNQUERA QUINTANA
BLANCO, JESÚS ANGEL
JESUS ANTONIO GONZALEZ GOMEZ
FERNÁNDEZ-DÍAZ, MARÍA TERESA
RIUS, JORDI
DUPONT, JAIRTON
JESUS MARIA RODRIGUEZ FERNANDEZ
MANUEL DE PEDRO DEL VALLE
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