data_global _chemical_name_mineral 'Kuznetsovite' loop_ _publ_author_name 'Weil M' _journal_name_full 'Zeitschrift fur Naturforschung' _journal_volume B56 _journal_year 2001 _journal_page_first 753 _journal_page_last 758 _publ_section_title ; Preparation and crystal structures of (Hg3)(PO4)Cl, (Hg3)(AsO4)Cl and (Hg3)(AsO4)Br - mercury compounds with the triangular Hg4+3 cluster ; _database_code_amcsd 0015847 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Hg3 As O4 Cl' _cell_length_a 8.3983 _cell_length_b 8.3983 _cell_length_c 8.3983 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 592.344 _exptl_crystal_density_diffrn 8.703 _symmetry_space_group_name_H-M 'P 21 3' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2-z,-x,1/2+y' '-z,1/2+x,1/2-y' '1/2+z,1/2-x,-y' 'z,x,y' '1/2+y,1/2-z,-x' '1/2-y,-z,1/2+x' '-y,1/2+z,1/2-x' 'y,z,x' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Hg 0.39762 0.64198 0.44560 0.03620 As 0.98440 0.98440 0.98440 0.00890 O1 0.87090 0.87090 0.87090 0.01500 O2 0.10910 0.10310 0.87690 0.01500 Cl 0.23890 0.23890 0.23890 0.01900 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Hg 0.02420 0.01740 0.06700 0.00440 -0.00570 0.01370 As 0.00890 0.00890 0.00890 0.00140 0.00140 0.00140 O1 0.01500 0.01500 0.01500 -0.00300 -0.00300 -0.00300 O2 0.02200 0.01200 0.01200 0.00100 0.00200 -0.00500 Cl 0.01900 0.01900 0.01900 0.00190 0.00190 0.00190