data_global _amcsd_formula_title 'Al2 F2 O8 P2 Sr' loop_ _publ_author_name 'Le Meins J' 'Courbion G' _journal_name_full 'European Journal of Solid State and Inorganic Chemistry' _journal_volume 45 _journal_year 1998 _journal_page_first 639 _journal_page_last 653 _publ_section_title ; Hydrothermal synthesis and crystal structure of Sr Al2 (P O4)2 F2: a new three-dimensional framework with channels delimited by a helical anionic border _cod_database_code 1000488 ; _database_code_amcsd 0012631 _chemical_formula_sum 'Sr Al2 P2 O8 F2' _cell_length_a 12.026 _cell_length_b 12.199 _cell_length_c 4.666 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 684.526 _exptl_crystal_density_diffrn 3.586 _symmetry_space_group_name_H-M 'P 21 21 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,1/2+y,1/2-z' '1/2+x,1/2-y,-z' '1/2-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Sr1 0.00430 0.23660 0.25120 Al1 0.25010 0.39360 0.25270 Al2 0.14390 -0.00270 0.49530 P1 0.24030 0.21680 0.75450 P2 -0.03420 -0.00100 -0.02690 O1 0.04780 0.04030 0.20330 O2 0.19530 0.28210 0.01140 O3 0.47270 0.04770 0.21510 O4 0.29400 0.29380 0.53220 O5 0.10540 0.40450 0.40630 O6 0.39570 0.39790 0.10100 O7 0.16130 0.85560 0.34990 O8 0.14230 0.14930 0.63180 F1 0.29170 0.50590 0.48560 F2 0.26220 0.03860 0.28400 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 0.00890 0.00470 0.02490 0.00120 -0.00520 -0.00410 Al1 0.00640 0.00210 0.00370 -0.00020 0.00070 0.00000 Al2 0.00610 0.00260 0.00360 0.00000 0.00000 -0.00020 P1 0.00630 0.00220 0.00410 0.00070 -0.00040 0.00010 P2 0.00600 0.00320 0.00340 0.00040 0.00000 -0.00010 O1 0.00900 0.00400 0.00600 0.00000 -0.00350 0.00000 O2 0.00900 0.00400 0.00500 0.00100 0.00200 -0.00200 O3 0.00900 0.00500 0.00600 -0.00100 -0.00400 0.00000 O4 0.00800 0.00400 0.00700 0.00000 -0.00100 0.00100 O5 0.00800 0.00100 0.00600 -0.00100 0.00150 -0.00100 O6 0.00700 0.00200 0.00700 0.00000 0.00100 0.00100 O7 0.00800 0.00200 0.00800 0.00100 0.00100 -0.00100 O8 0.00700 0.00300 0.01100 0.00000 -0.00200 -0.00200 F1 0.01000 0.00400 0.00700 -0.00030 0.00050 -0.00200 F2 0.00860 0.00500 0.00700 -0.00040 0.00260 -0.00050