The channel structure of trithallium penta-anti-m-on-ate(V), Tl3Sb5O14

Abstract

Single crystals of Tl₃Sb₅O₁₄ were grown by solid-state reaction in a corundum crucible under air (1273 K, 12 h). The structure was determined by single-crystal X-ray diffraction. It is isotypic to the K₃Sb₅O₁₄, Rb₃Sb₅O₁₄ and Cs₃Sb₅O₁₄ analogues with ortho-rhom-bic Pbam symmetry and cell parameters a = 24.2899 (9) Å, b = 7.1931 (3) Å, c = 7.4182 (3) Å. The Sb atoms form irregular [SbO₆] octa-hedra, which are linked via edges and corners into a triperiodic network. The Tl⁺ ions are located in distinct channels of the network extending along [010] and [001].

Keywords: anti­monate(V); channel structure; crystal structure.