data_global _chemical_name_mineral 'Reederite-(Y)' loop_ _publ_author_name 'Grice J D' 'Gault R A' 'Chao G Y' _journal_name_full 'American Mineralogist' _journal_volume 80 _journal_year 1995 _journal_page_first 1059 _journal_page_last 1064 _publ_section_title ; Reederite -(Y), a new sodium rare-earth mineral with a unique fluorosulfate anion ; _database_code_amcsd 0001759 _chemical_formula_sum 'Y2 Na15 Cl C9 O30 S F' _cell_length_a 8.773 _cell_length_b 8.773 _cell_length_c 10.746 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 716.265 _exptl_crystal_density_diffrn 2.776 _symmetry_space_group_name_H-M 'P -6' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,-z' '-y,x-y,z' 'x,y,-z' '-x+y,-x,z' '-y,x-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Y 0.00000 0.00000 0.17810 1.00000 0.01000 Na1 0.33333 0.66667 0.19830 1.00000 0.01800 Na2 0.35250 0.90320 0.26150 1.00000 0.02200 Na3 0.61370 0.96330 0.00000 1.00000 0.04600 Na4 0.44340 0.12090 0.50000 1.00000 0.02200 Na5 0.00000 0.00000 0.50000 1.00000 0.02400 Cl 0.33333 0.66667 0.00000 1.00000 0.27000 C1 0.71400 0.64630 0.00000 1.00000 0.01300 C2 0.32030 0.25210 0.69970 1.00000 0.01300 O1 0.90890 0.34550 0.89770 1.00000 0.03200 O2 0.83270 0.81050 0.00000 1.00000 0.02200 O3 0.88850 0.53040 0.65430 1.00000 0.01900 O4 0.86450 0.77250 0.65960 1.00000 0.01600 O5 0.04600 0.74810 0.79010 1.00000 0.01800 O6 0.19340 0.49300 0.50000 1.00000 0.09700 S 0.33333 0.66667 0.50000 1.00000 0.01800 F 0.33333 0.66667 0.35330 0.50000 0.01500