Bi0.75 O1.37 Sr0.25 Mercurio D, Champarnaud-Mesjard J, Frit B, Conflant P, Boivin J, Vogt T Journal of Solid State Chemistry 112 (1994) 1-8 Thermal evolution of the crystal structure of the rhombohedral Bi0.75Sr0.25O1.375 phase: a single crystal neutron diffraction study _cod_database_code 1004103 _database_code_amcsd 0013820 4.011 4.011 29.00999 90 90 120 R-3m atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Sr1 0 0 0 .75 .0384 .0384 .0710 .0192 0 0 Bi1 0 0 0 .25 .0384 .0384 .0710 .0192 0 0 Bi2 0 0 .2250 .0527 .0527 .0390 .0263 0 0 O1 0 0 .2950 .0829 .0829 .0515 .0414 0 0 O2 0 0 .0968 .1167 .086 .086 .0218 .0430 0 0 O3 .0682 .1364 .1131 .1556 O4 0 0 .4437 .35 O5 .2260 .4520 .1177 .0389