Letovicite Friese K, Aroyo M I, Schwalowsky I, Adiwidjaja G, Bismayer U Journal of Solid State Chemistry 165 (2002) 136-147 The disordered high-temperature structure of (NH4)3H(SO4)2 and its relationship to the room-temperature phase Locality: synthetic Sample: T = 293 K _database_code_amcsd 0014022 15.418 5.905 10.223 90 102.806 90 C2/c atom x y z Uiso N1 .5 .2308 .25 .0415 N2 .19879 .2750 .15293 .0453 H1 0 0 0 .117 H2 .472 .160 .189 .117 H3 .465 .291 .272 .117 H4 .253 .293 .160 .117 H5 .176 .365 .097 .117 H6 .188 .154 .116 .117 H7 .185 .287 .206 .117 S .11419 .21844 .46134 .0324 O1 .01482 .1851 .44230 .0495 O2 .15028 .2228 .60524 .0507 O3 .12875 .4325 .39863 .0530 O4 .14900 .0275 .39841 .0526