Abstract
Single crystals of natural chabazite zeolite [R3m, a = 9.376(3) Å, α = 93.56(5)°, 182 F(hkl), R = 0.075] with embedded selenium atoms are studied using X-ray diffraction. It is found that a cluster consisting of 12 selenium atoms is formed in some cavities of the chabazite structure. The cluster represents a six-membered puckered ring with six terminal atoms. A number of selenium atoms in the structure are located along the threefold axis and do not incorporate into this cluster. Interaction between Se12 clusters is unlikely.
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Smolin, Y.I., Shepelev, Y.F. Structure of Selenium Clusters in the Crystal Lattice of Chabazite. Glass Physics and Chemistry 29, 476–478 (2003). https://doi.org/10.1023/A:1026391030495
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DOI: https://doi.org/10.1023/A:1026391030495