Author: Benoit Fleury

0000000001314590

AUTHOR

Benoit Fleury

Co-existence of ferro- and antiferromagnetic interactions in a hexanuclear mixed-valence CoIII2MnII2MnIV2 cluster sustained by a multidentate Schiff base ligand

The successful utilization of the “direct synthesis” approach yielded the unprecedented hexanuclear complex of formula [Co2MnII2MnIV2(L1)4Cl2(μ3-O)2(dmf)4]·2dmf (1) (H3L is the Schiff base derived from the condensation of salicylaldehyde and 3-aminopropane-1,2-diol). Single crystal X-ray analysis revealed that 1 crystallizes in the monoclinic system P21/c and it contains a rare mixed-valence {CoIII2MnII2MnIV2(μ2-O)8(μ3-O)2} core where all metal ions are linked through the phenolato and alkoxo groups of the L3− ligand. Besides the charge balance resulting from the X-ray structure, the oxidation state of the metal ions has been confirmed by XPS spectroscopy. Cryomagnetic studies indicate the …

research product

CCDC 1819913: Experimental Crystal Structure Determination

Related Article: Oleh Stetsiuk, Valentyn Synytsia, Svitlana R. Petrusenko, Vladimir N. Kokozay, Abdelkrim El-Ghayoury, Joan Cano, Francesc Lloret, Miguel Julve, Benoit Fleury, Narcis Avarvari|2019|Dalton Trans.|48|11862|doi:10.1039/C9DT02503K

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