KEr2F7 Marsh R E, Herbstein F H Acta Crystallographica B44 (1988) 77-88 More space-group changes _database_code_amcsd 0009824 11.82 13.333 7.816 90 90 90 Pnam atom x y z Biso K1 .0839 .0950 .25 1.57 K2 .4343 .0687 .25 3.44 Er1 -.0058 .7420 .25 .55 Er2 .2563 .3365 .0238 .48 Er3 .2096 .0622 .75 .49 F1 .1616 .4204 .25 .87 F2 .1692 .1992 .9138 .87 F3 .2814 .5022 .5150 1.14 F4 .2431 .2388 .25 .99 F5 .3647 .4044 .25 .98 F6 .3124 .3374 .75 1.22 F7 .4270 .2670 .0034 1.66 F8 .0869 .3777 .923 .85 F9 .3764 .1245 .75 1.05 F10 .0245 .0886 .75 1.14