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Figure 2
Central [Yb6F8] core of the title structure with additional O atoms coordinating to YbIII ions, with the cation partial occupation site occupied by NH4+ (a) and H3O+ (b). For YbIII ions with square-anti­prismatic coordination, polyhedra are drawn in red, for YbIII ions with monocapped square-anti­prismatic coordination, polyhedra are drawn in blue; color code: O (red), F (green), Yb (gray).

Journal logoCRYSTALLOGRAPHIC
COMMUNICATIONS
ISSN: 2056-9890
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