ThBi2 Pearson W B Zeitschrift fur Kristallographie 171 (1985) 23-39 The Cu2Sb and related structures _database_code_amcsd 0010899 4.492 4.492 9.298 90 90 90 P4/nmm atom x y z Bi1 0 0 0 Bi2 .5 0 .63 Th .5 0 .28