Samarium Daane A H, Rundle R E, Smith H G, Spedding F H Acta Crystallographica 7 (1954) 532-535 The crystal structure of samarium Locality: synthetic Note: sample 99% pure _database_code_amcsd 0009181 8.996 8.996 8.996 23.22 23.22 23.22 R-3m atom x y z Sm1 0 0 0 Sm2 2/9 2/9 2/9