data_global _chemical_name_mineral 'Edgarbaileyite' loop_ _publ_author_name 'Angel R J' 'Cressey G' 'Criddle A J' _journal_name_full 'American Mineralogist' _journal_volume 75 _journal_year 1990 _journal_page_first 1192 _journal_page_last 1196 _publ_section_title ; Edgarbaileyite, Hg6Si2O7: The crystal structure of the first mercury silicate ; _database_code_amcsd 0001331 _chemical_formula_sum 'Hg6 Si2 O7' _cell_length_a 11.755 _cell_length_b 7.678 _cell_length_c 5.991 _cell_angle_alpha 90 _cell_angle_beta 111.73 _cell_angle_gamma 90 _cell_volume 502.293 _exptl_crystal_density_diffrn 9.069 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Hg1 0.11400 0.00000 0.04900 0.01976 Hg2 0.11550 0.24230 0.57890 0.01798 Si 0.64910 0.00000 0.10500 0.01520 O1 0.30300 0.00000 0.11300 0.02280 O2 0.31100 0.16800 0.72800 0.02153 O3 0.50000 0.00000 0.00000 0.00127 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 Hg1 0.00906 0.03046 0.02008 0.00000 0.00585 0.00000 Hg2 0.00967 0.02150 0.02118 0.00085 0.00339 0.00216