Unprecedented intramolecular pancake bonding in a {Dy2} single-molecule magnet
The first example of unique coordination induced intramolecular pancake bonding was achieved through the reduction of two bis(pyrazolyl)-tetrazine ligands, affording [MIII2(μ-(bpytz)2)(THMD)4](M = Dy, Y; bpytz = 3,6-bis(3,5-dimethyl-pyrazolyl)-1,2,4,5-tetrazine; TMHD = 2,2,6,6-tetramethyl-3,5-heptanedionate). To provide a cohesive magneto-structural correlation, the mono bis(pyrazolyl)-tetrazine bridged congener [DyIII2(μ-bpytz)(THMD)6]·4(C6H6) was also isolated. Both metal complexes exhibit single-molecule magnet behaviour under an applied dc field.
Probing optical and magnetic properties via subtle stereoelectronic effects in mononuclear DyIII-complexes
Tapping into the secondary coordination environment of mononuclear DyIII-complexes leads to drastic changes in luminescence and magnetism. Visualization of effects induced by stereoelectronics on the opto-magnetic properties was achieved through subtle modifications in the ligand framework.
CCDC 2081829: Experimental Crystal Structure Determination
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CCDC 1858840: Experimental Crystal Structure Determination
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CCDC 1976893: Experimental Crystal Structure Determination
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CCDC 1858838: Experimental Crystal Structure Determination
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