Eglestonite Mereiter K, Zemann J, Hewat A W American Mineralogist 77 (1992) 839-842 Eglestonite, (Hg2)3Cl3O2H: confirmation of the chemical formula by neutron powder diffraction sample SN examined by powder neutron diffraction _database_code_amcsd 0001530 16.036 16.036 16.036 90 90 90 Ia-3d atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Hg .17229 .01331 .00910 .00087 .00294 .00254 -.00002 .00001 .00005 Cl .125 .36352 .88648 1.50 O .0449 .0449 .0449 1.12 H .0069 .0069 .0069 .5 1.63