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Rare‐Earth Cadmium Tellurite Chlorides with a Structural Type Exhibiting [Ln 12 (TeO 3 ) 12 ] Slabs Alternating with CdCl 6 Octahedral Layers
Author(s) -
Kharitonov Ivan D.,
Charkin Dmitri O.,
Berdonosov Peter S.,
Black Cameron,
Downie Lewis J.,
Lightfoot Philip,
Dolgikh Valery A.
Publication year - 2014
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201402177
Subject(s) - chemistry , octahedron , crystallography , tetragonal crystal system , orthorhombic crystal system , chalcogen , halide , crystal structure , inorganic chemistry , metal , salt (chemistry) , cationic polymerization , cadmium , bismuth , organic chemistry
A series of new rare‐earth cadmium metal tellurite chlorides were synthesized by the salt flux technique and characterized by single‐crystal X‐ray diffraction. The new compounds CdSm 2 (TeO 3 ) 2 Cl 4 ( I ), CdEu 2 (TeO 3 ) 2 Cl 4 ( II ), and CdGd 2 (TeO 3 ) 2 Cl 4 ( III ), adopt layered structures corresponding to sequences of metal oxide [LnTeO 3 ] and metal halide [Cd 1– x Cl 3 ] layers. They expand the known family of 2D rare‐earth selenium oxyhalides into the realm of tellurium(IV) compounds and add a new targeted structure type involving rock salt slabs formed by edge‐sharing CdCl 6 octahedra. The major differences in the structures of Se and Te compounds lie in the composition of the cationic slabs {[Ln 11 (SeO 3 ) 12 ] 9+ vs. [Ln 12 (TeO 3 ) 12 ] 12+ } and symmetry (orthorhombic for selenites vs. tetragonal for tellurites).