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Ln 2 (ClO 4 ) 2 (H 2 I 2 O 10 ) · 8H 2 O (Ln = Sm, Gd), a Lanthanide Perchlorate Mesodiperiodate forming a Novel Layer Structure
Author(s) -
Fischer Andreas
Publication year - 2003
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.200390107
Subject(s) - monoclinic crystal system , lanthanide , perchlorate , crystallography , cationic polymerization , ion , crystal structure , chemistry , evaporation , materials science , inorganic chemistry , organic chemistry , physics , thermodynamics
By slow evaporation of solutions containing Ln(ClO 4 ) 3 (Ln = Sm, Gd), H 5 IO 6 and an excess of HClO 4 , crystals of the title compounds could be obtained. Their structures were determined by single‐crystal X‐ray diffraction. The compounds crystallize in the monoclinic crystal system, space group P 2 1 / c . They contain Ln 3+ ions, which are coordinated by [H 2 I 2 O 10 ] 4— anions forming two‐dimensional, cationic networks. These are separated by perchlorate ions, forming a layered structure.