Paraguanajuatite Nakajima S Journal of Physics and Chemistry of Solids 24 (1963) 479-485 The crystal structure of Bi2Te3-xSex Locality: synthetic _database_code_amcsd 0013195 4.143 4.143 28.636 90 90 120 R-3m atom x y z Biso Bi 0 0 .4008 1.50 Se1 0 0 0 1.50 Se2 0 0 .2117 1.50