A double-dysprosocenium single-molecule magnet bound together with neutral ligands†
Peter
Evans, 
a
Daniel
Reta,
a
Conrad A. P.
Goodwin,
a
Fabrizio
Ortu,
a
Nicholas F.
Chilton
a
and
David P.
Mills
*a
a
Daniel
Reta,
a
Conrad A. P.
Goodwin,
a
Fabrizio
Ortu,
a
Nicholas F.
Chilton
a
and
David P.
Mills
*a
Abstract
A dinuclear dysprosocenium dication has been synthesised that is bound together by weak interactions between {Dy(Cp*)2}+ fragments and neutral NEt3AlMe3 molecules. The axiality of the Dy3+ crystal fields are perturbed by these equatorial interactions but a relatively large effective barrier to magnetisation reversal of 860(60) cm−1 and magnetic hysteresis up to 12 K are observed.
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