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Alekseev, Chalcogen, Structural properties
Cs-H-O-P-U
B-H-K-O-U
B-Cl-H-O-Pu
B-Cl-H-O-Sm
Ba-Cu-S
chalcogen
alkali
radioactive
actinoid
monoclinic
triclinic
orthorhombic
tetragonal
cubic