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 SX examined by single-crystal X-ray diffraction _database_code_amcsd 0001529 16.036 16.036 16.036 90 90 90 Ia-3d atom x y z Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) Hg .17220 .01354 .00911 .001011 .002994 .002693 .000039 .000165 .000117 Cl .125 .36416 .88584 1.96 O .0446 .0446 .0446 1.13