Todorokite Post J E, Heaney P J, Hanson J C American Mineralogist 88 (2003) 142-150 Synchrotron X-ray diffraction study of the structure and dehydration behavior of todorokite _database_code_amcsd 0002955 9.769 2.8512 9.560 90 94.47 90 P2/m atom x y z occ Uiso Mn1 .5 .5 0 .028 Mn2 .7638 0 .0002 .028 Mn3 0 0 .5 .028 Mn4 .9725 .5 .7650 .028 O1 .148 .5 .084 .048 O2 .418 0 .096 .048 O3 .669 .5 .102 .048 O4 .910 0 .150 .048 O5 .905 .5 .395 .048 O6 .890 0 .650 .048 Wat1 .421 0 .391 .84 .048 Wat2 .655 .5 .373 1.18 .048 Wat3 .626 .5 .672 .61 .048 Mg .5 .5 .5 .47 .048