data_global _chemical_name_mineral 'Morelandite' loop_ _publ_author_name 'Bell A M T' 'Henderson C M B' 'Wendlandt R F' 'Harrison W J' _journal_name_full 'Acta Crystallographica, Section E' _journal_volume 64 _journal_year 2008 _journal_page_first i63 _journal_page_last i64 _publ_section_title ; Rietveld refinement of Ba5(AsO4)3Cl from high-resolution synchrotron data ; _database_code_amcsd 0010488 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Ba5 As3 O12 Cl' _cell_length_a 10.5570 _cell_length_b 10.5570 _cell_length_c 7.73912 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 746.970 _exptl_crystal_density_diffrn 5.063 _symmetry_space_group_name_H-M 'P 63/m' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x+y,-x,1/2-z' 'x-y,x,1/2+z' 'y,-x+y,-z' '-y,x-y,z' 'x,y,1/2-z' '-x,-y,1/2+z' 'x-y,x,-z' '-x+y,-x,z' '-y,x-y,1/2-z' 'y,-x+y,1/2+z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Ba1 0.33333 0.66667 0.00610 0.05900 Ba2 0.24450 0.98740 0.25000 0.06500 As 0.40470 0.37160 0.25000 0.05900 O1 0.34700 0.49500 0.25000 0.13000 O2 0.59100 0.47300 0.25000 0.08000 O3 0.35400 0.28000 0.06800 0.06500 Cl 0.00000 0.00000 0.00000 0.07000