Abstract
Two compounds, {[Sm(H 2O) 5] 2(TeMo 6O 24)}·6H 2O ( 1) and {[Eu(H 2O) 7] 2 (TeMo 6O 24)}·5H 2O ( 2) have been synthesized by hydrothermal reactions and characterized by elemental analyses, IR spectra, thermal stability analyses, X-ray powder diffraction, and single-crystal X-ray diffraction. Compound 1 represents the first example of a 2D layer architecture constructed from Anderson-type polyoxoanions [TeMo 6O 24] 6− and rare-earth ions Ln 3+. Compound 2 displays a 1D chain structure built up of alternating Anderson-type polyoxoanions [TeMo 6O 24] 6− and rare-earth ions Eu 3+ along the c-axis. Luminescence measurement of 2 exhibits typical red fluorescent emission of the Eu 3+ ion at room temperature. Furthermore, the emission is intense enough to be observed macroscopically under UV irradiation (365 nm).
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