Heptacoordinated
Nickel(II) as an Ising-Type Anisotropic Building Unit: Illustration
with a Pentanuclear [(NiL)<sub>3</sub>{W(CN)<sub>8</sub>}<sub>2</sub>] Complex
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Abstract
Heptacoordinated
nickel(II) complexes characterized by substantial Ising-type single-ion
anisotropy have been involved in the construction of two pentanuclear
[Ni<sub>3</sub>W<sub>2</sub>] compounds by association with [W(CN)<sub>8</sub>]<sup>3–</sup>. For one of them, slow relaxation of
magnetization was observed to occur concomitantly with antiferromagnetic
ordering
