Fe12 O19 Sr Muller J, Collomb A Journal of Magnetism and Magnetic Materials 103 (1992) 194-203 A new representation of the bipyramidal site in the Sr Fe12 O19 M-type hexagonal ferrite between 4.6 and 195 K _cod_database_code 1008856 _database_code_amcsd 0016722 5.8821 5.8821 23.02299 90 90 120 P6_3/mmc atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Sr1 1/3 2/3 .75 .0137 .0137 .0109 .0069 0 0 Fe1 0 0 0 .0064 .0064 .0057 .0032 0 0 Fe2 0 0 .2558 .5 Fe3 1/3 2/3 .02728 .0074 .0074 .0045 .0037 0 0 Fe4 1/3 2/3 .19080 .0054 .0054 .0062 .0027 0 0 Fe5 .16878 .33756 -.10921 .0057 .0057 .0071 .0029 .0001 .0002 O1 0 0 .1516 .0051 .0051 .008 .0026 0 0 O2 1/3 2/3 -.0552 .0103 .0103 .0033 .0052 0 0 O3 .1828 .3656 .25 .0131 .0049 .0112 .0025 0 0 O4 .1563 .3126 .0524 .0093 .0045 .0079 .0023 .0008 .0015 O5 .5051 .0102 .1510 .0071 .0090 .0101 .0045 .0008 .0015