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 = 185 K _database_code_amcsd 0002733 11.834 9.502 9.913 90 94.87 90 P2_1/a atom x y z Uiso K1 .16871 .26936 .23932 .0146 K2 .16905 -.25715 .25871 .0139 Fe1 0 0 0 .0084 Fe2 0 .5 .5 .0078 S1 .20725 .50503 -.04538 .0086 S2 .21392 -.00657 -.48176 .0079 O1A -.1511 .3725 .1152 .0158 O1B .1611 .3738 -.1093 .0173 O2A .1499 .0899 -.4000 .0150 O2B .1819 -.1529 -.4566 .0168 O3 .1716 .0127 .0671 .0217 O4 .1885 .5075 .0977 .0191 O5 .1637 .5111 .4366 .0126 O6 .1934 .0244 .3737 .0163 Ow1A -.0350 .3342 .3572 .0130 Ow1B .0451 .3377 -.3552 .0134 Ow2 -.0060 .2203 -.0141 .0195 Ow3 .0139 -.0121 -.2141 .0191 H1A -.070 .278 .391 .026 H2A -.073 .352 .277 .035 H1B .074 .269 -.383 .021 H2B .083 .356 -.278 .036 H3A -.047 .270 .021 .031 H3B .043 .267 -.039 .034 H4 .067 .007 -.263 .035 H5 -.040 -.015 -.268 .032