Leonite 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: K2Mn(SO4)2.4H2O, T = 185 K _database_code_amcsd 0002731 12.035 9.549 19.839 90 94.99 90 *I2/a .25 .25 .5 atom x y z Uiso K1 -.16978 .26685 -.12080 .0157 K2 .17013 .25936 .12839 .0152 Mn1 0 -.00086 0 .0089 Mn2 0 .5 .25 .0086 S1 .20701 .49730 -.02242 .0088 S2 .21207 .00710 -.24013 .0087 O1A -.1579 -.3747 -.05551 .0167 O1B .1591 -.3718 -.05816 .0166 O2A .1505 -.0926 -.20093 .0211 O2B .1769 .1514 -.22669 .0230 O3 .1726 -.0008 .03002 .0240 O4 .1841 .4934 .04827 .0207 O5 .1676 .4943 .21728 .0133 O6 .1931 .0199 .18716 .0203 Ow1A .0370 .3347 -.17515 .0139 Ow1B .0407 -.3330 -.17715 .0137 Ow2A 0 .2271 0 .0195 Ow2B 0 -.2276 0 .0251 Ow3 .0098 -.0021 -.10993 .0208 H1A .074 .277 -.192 .031 H2A .076 .352 -.137 .030 H1B .071 -.271 -.192 .030 H2B .082 -.349 .138 .029 H3A .043 .276 -.016 .040 H3B .043 -.278 -.015 .041 H4 .056 -.013 -.134 .035 H5 -.046 .006 -.136 .042