SrTa₄O₁₁: a Rietveld Refinement Using Neutron Powder Diffraction Data

The structure of SrTa₄O₁₁ contains layers of TaO₇ pentagonal bipyramids sharing edges, as found in U₃O₈. Between the layers lie Sr atoms with distorted cubic coordination geometry and Ta atoms with distorted octahedral coordination geometry.

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