Heterotrimetallic {LnOVPt} complexes with antiferromagnetic Ln–V coupling and magnetic memory†
Stephanie A.
Beach, 
a
Mauro
Perfetti,
b
Brooke N.
Livesay,
c
Matthew P.
Shores,
c
Jeffrey W.
Bacon,
a
Arnold L.
Rheingold,
d
Polly L.
Arnold
‡§e
and
Linda H.
Doerrer
*a
a
Mauro
Perfetti,
b
Brooke N.
Livesay,
c
Matthew P.
Shores,
c
Jeffrey W.
Bacon,
a
Arnold L.
Rheingold,
d
Polly L.
Arnold
‡§e
and
Linda H.
Doerrer
*a
Abstract
The new PtVO(SOCR)4 lantern complexes, 1 (R = CH3) and 2 (R = Ph) behave as neutral O-donor ligands to Ln(OR)3 with Ln = Ce, Nd. Four heterotrimetallic complexes with linear {LnOVPt} units were prepared: [Ln(ODtbp)3{PtVO(SOCR)4}] (Ln = Ce, 3Ce (R = CH3), 4Ce (R = Ph); Nd, 3Nd (R = CH3), 4Nd (R = Ph); ODtbp = 2,6-ditertbutylphenolate). Magnetic characterization confirms slow magnetic relaxation behaviour and suggests antiferromagnetic coupling across {Ln–O![[double bond, length as m-dash]](https://www.rsc.org/images/entities/char_e001.gif)
V} in all four complexes, with variations tunable as a function of Ln and R.
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