Poubaite Agaev K A, Semiletov S A Kristallografiya 13 (1968) 258-260 Electron diffraction study of the structure of PbBi2Se4 Locality: synthetic _database_code_amcsd 0014179 4.16 4.16 39.20 90 90 120 R-3m atom x y z occ Biso Pb1 0 0 0 1/3 1 Bi1 0 0 0 2/3 1 Pb2 0 0 .428 1/3 1 Bi2 0 0 .428 2/3 1 Se1 0 0 .139 1 Se2 0 0 .286 1