data_global _chemical_name_mineral 'Apatite-(SrOH)' loop_ _publ_author_name 'Sudarsanan K' 'Young R A' _journal_name_full 'Acta Crystallographica, Section B' _journal_volume 28 _journal_year 1972 _journal_page_first 3668 _journal_page_last 3670 _publ_section_title ; Structure of strontium hydroxide phosphate, Sr5(PO4)3OH ; _database_code_amcsd 0009467 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Sr4.894 P3 O12.886 H.886' _cell_length_a 9.745 _cell_length_b 9.745 _cell_length_c 7.265 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 120 _cell_volume 597.489 _exptl_crystal_density_diffrn 4.051 _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_occupancy Sr1 0.33333 0.66667 0.00010 0.97360 Sr2 0.24420 0.98560 0.25000 0.98240 P 0.40020 0.36790 0.25000 1.00000 O1 0.33290 0.48120 0.25000 1.00000 O2 0.58340 0.46280 0.25000 1.00000 O3 0.34560 0.26110 0.07860 1.00000 O-H 0.00000 0.00000 0.18560 0.44300 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 Sr1 0.01082 0.01082 0.00668 0.00541 0.00000 0.00000 Sr2 0.00830 0.00938 0.00909 0.00397 0.00000 0.00000 P 0.00722 0.00686 0.00695 0.00397 0.00000 0.00000 O1 0.01263 0.01263 0.01444 0.01010 0.00000 0.00000 O2 0.00758 0.01191 0.02166 0.00397 0.00000 0.00000 O3 0.03103 0.01588 0.01096 0.01552 -0.00963 -0.00621 O-H 0.00649 0.00649 0.02540 0.00325 0.00000 0.00000