data_global _amcsd_formula_title 'Sr5(AsO4)3Cl' 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 65 _journal_year 2009 _journal_page_first i16 _journal_page_last i17 _publ_section_title ; Rietveld refinement of Sr5(AsO4)3Cl from high-resolution synchrotron data Note: Apatite structure ; _database_code_amcsd 0010490 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Sr5 As3 O12 Cl' _cell_length_a 10.1969 _cell_length_b 10.1969 _cell_length_c 7.28108 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 655.636 _exptl_crystal_density_diffrn 4.510 _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 Sr1 0.33333 0.66667 0.00800 0.02460 Sr2 0.24960 0.99360 0.25000 0.02460 As 0.40570 0.37180 0.25000 0.02900 O1 0.33700 0.49600 0.25000 0.01500 O2 0.59800 0.46400 0.25000 0.01500 O3 0.35400 0.28400 0.06300 0.01500 Cl 0.00000 0.00000 0.00000 0.03100