Heterobimetallic coordination polymers involving 3d metal complexes and heavier transition metals cyanometallatesстатья
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Дата последнего поиска статьи во внешних источниках: 17 декабря 2015 г.
Аннотация:The results of the first steps in the design of coordination polymers based on penta- and heptacyanometallates of heavier d transitions metals are presented. The 2D structure of the coordination polymers: [{Mn(acacen)}(2)Ru(NO)(CN)(5)](n) and two complexes composed of different cyanorhenates, [Ni(cyclam)](2) [ReO(OH)(CN)(4)](ClO4)(2)(H2O)(1.25) and [Cu(cyclam)](2)[Re(CN)(7)](H2O)(12), was confirmed by single crystal XRD study, the rhenium oxidation state having been proved by the magnetic measurements. An amorphism of [M(cyclam)](3)[Re(CN)(7)](2) (M=Ni, Cu) polymers does not allow to define strictly their dimensionality and to model anisotropic magnetic behavior of the compounds. However, with high probability a honeycomb like layer structure could be expected for [M(cyclam)](3)[Re(CN)(7)](2) complexes, studied in this work, because such an arrangement is the most common among the bimetallic assemblies of hexa- and octacyanometallates with a ratio [M(cyclam)]/[M(CN)(n)]=3/2. For the first time was prepared and fully characterized a precursor (n-Bu4N)(2)[Ru(NO)(CN)(5)], soluble in organic media.