Hemimorphite Libowitzky E, Kohler T, Armbruster T, Rossman G R European Journal of Mineralogy 9 (1997) 803-810 Proton disorder in dehydrated hemimorphite - IR spectroscopy and X-ray structure refinement at low and ambient temperatures T = 293 K _database_code_amcsd 0006697 8.191 10.824 5.088 90 90 90 Imm2 atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) Zn .79052 .84184 0 .00926 .01076 .00916 .00756 -.00181 -.0002 .00024 Si 0 .85625 .4917 .00635 .0079 .0059 .0053 0 0 .0004 O1 .8371 .7960 .3645 .0120 .0141 .0141 .0080 -.0068 -.0024 .0026 O2 0 .8402 .8074 .0104 .0100 .0154 .0059 0 0 .0009 O3 .6842 0 .9490 .0206 .0153 .0101 .036 0 -.0042 0 O4 0 0 .3992 .0119 .0186 .0048 .0124 0 0 0 H3 .65 0 .772 .5 .05 H3' .569 0 .94 .5 .05