Mereiterite Hertweck B, Giester G, Libowitzky E American Mineralogist 86 (2001) 1282-1292 The crystal structures of the low-temperature phases of leonite-type compounds, K2Me(SO4)2.4H2O (Me=Mg,Mn,Fe) Sample: K2Fe(SO4)2.4H2O, T = 293 K _database_code_amcsd 0002734 11.837 9.547 9.939 90 94.88 90 C2/m atom x y z occ Uiso K .16890 .26351 .24913 .0270 Fe1 0 0 0 .0143 Fe2 0 .5 .5 .0130 S1 .20733 .5 -.04466 .0143 S2 .21291 0 -.48145 .0139 O1 .1567 .3740 -.1119 .0272 O2A .1526 .0950 -.4014 .5 .0254 O2B .1765 .1481 -.4540 .5 .0290 O3 .1716 0 .0656 .0365 O4 .1880 .5 .0974 .0335 O5 .1645 .5 .4373 .0218 O6 .1929 .0240 .3742 .5 .0267 Ow1 .0399 .3374 -.3554 .0211 Ow2 0 .2204 0 .0317 Ow3 .0129 0 -.2145 .0321 H1 .072 .276 -.385 .039 H2 .079 .354 -.279 .045 H3 .044 .269 -.032 .046 H4 .065 0 -.258 .061 H5 -.043 0 -.268 .057