SAMARIUM TANTALUM OXYSULFIDE, SM2TA3S2O8
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The title compound is isostructural with La2Ta3S2O8. The Sm atoms are in tricapped trigonal prismatic sites enclosed by two S and seven O atoms, The Ta atoms are octahedrally coordinated, one to six O atoms and the other to two trans-O and four S atoms. The structure comprises alternate layers of Sm tricapped trigonal prisms and Ta octahedra. The Ta(1)... Ta(1) distances in the octahedral layers are 3.314(4), 3.775(1) and 4.236(4) Angstrom.
出处ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS，1995,51:1964-1966