Unprecedented intramolecular pancake bonding in a {Dy2} single-molecule magnet†
Niki
Mavragani, 
a
Paul
Richardson,
a
Jaclyn L.
Brusso,
*a
Jani O.
Moilanen
*b
and
Muralee
Murugesu
*a
a
Paul
Richardson,
a
Jaclyn L.
Brusso,
*a
Jani O.
Moilanen
*b
and
Muralee
Murugesu
*a
Abstract
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.
- This article is part of the themed collection: Rare Earth Chemistry – In memory of Professor Xu Guangxian at his centenary
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