Coordination Polymers of Scandium Sulfate. Crystal Structures of (H2Bipy)[Sc (H2O)(SO4) 2] 2· 2H2O and (H2Bipy)[HSO4]2статья
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Аннотация:Compounds with the general formula Catx[Sc(H2O)z(SO4)y] · nH2O (Cat = NH4, H2Bipy (Bipy is 4,4′-bipyridine), and HEdp (Edp is ethylenedipyridine) are synthesized and identified by elemental analysis and IR spectral data. The X-ray diffraction analysis of (H2Bipy)[Sc(H2O)(SO4)2]2 · 2H2O shows that in the structure of this compound, the chains of ScO6 octahedra and SO4 tetrahedra are united to form ribbons due to the tridentate coordination of the sulfate ion. The ribbons form a framework, whose infinite cavities contain H2Bipy2+ cations.