A Polyoxometalate–Cyanometalate
Multilayered
Coordination Network
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Abstract
The reaction of the ε-Keggin polyoxometalate (POM)
[PMo<sub>12</sub>O<sub>36</sub>(OH)<sub>4</sub>{La(H<sub>2</sub>O)<sub>4</sub>}<sub>4</sub>]<sup>5+</sup> with Fe<sup>II</sup>(CN)<sub>6</sub><sup>4–</sup> under typical bench conditions at room temperature
and ambient pressure has afforded the novel [ε-PMo<sub>12</sub>O<sub>37</sub>(OH)<sub>3</sub>{La(H<sub>2</sub>O)<sub>5</sub>(Fe(CN)<sub>6</sub>)<sub>0.25</sub>}<sub>4</sub>] network, which exhibits a three-dimensional
multilayered structure. The compound has been fully characterized
by synchrotron-radiation X-ray crystallography, IR spectroscopy, elemental
analysis, and thermogravimetric analysis. This coordination network
constitutes the first example of a cyanometalate bonded to a POM unit
