data_global _chemical_name_mineral 'Aravaipaite' loop_ _publ_author_name 'Kampf A R' _journal_name_full 'American Mineralogist' _journal_volume 86 _journal_year 2001 _journal_page_first 927 _journal_page_last 931 _publ_section_title ; The crystal structure of aravaipaite ; _database_code_amcsd 0002659 _chemical_formula_sum 'Pb3 Al F9 O' _cell_length_a 25.048 _cell_length_b 5.8459 _cell_length_c 5.6805 _cell_angle_alpha 90 _cell_angle_beta 94.013 _cell_angle_gamma 90 _cell_volume 829.746 _exptl_crystal_density_diffrn 6.689 _symmetry_space_group_name_H-M 'P 1 21/n 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Pb1 0.06747 0.83423 0.69379 Pb2 0.19124 0.82727 0.24796 Pb3 0.19100 0.36170 0.72273 Al 0.09600 0.31610 0.20010 F1 0.11240 0.14900 0.94300 F2 0.16780 0.36800 0.25900 F3 0.02610 0.27100 0.14100 F4 0.08470 0.46400 0.47200 F5 0.10380 0.05500 0.37900 F6 0.09420 0.57100 0.03300 F7 0.25420 0.58000 0.49700 F8 0.25140 0.57700 0.99700 F9 0.16530 0.76400 0.68300 O 0.99250 0.77800 0.34400 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 Pb1 0.01780 0.01260 0.01480 -0.00010 0.00160 0.00120 Pb2 0.01790 0.01480 0.02090 -0.00100 0.00090 -0.00080 Pb3 0.01840 0.01390 0.01460 -0.00180 0.00130 -0.00040 Al 0.01200 0.01100 0.00800 -0.00300 0.00200 0.00400 F1 0.01400 0.04100 0.02300 -0.00700 0.00500 -0.02100 F2 0.01200 0.02900 0.03700 -0.00800 -0.00500 -0.00400 F3 0.01100 0.05300 0.01500 -0.00300 -0.00600 0.00400 F4 0.04000 0.01100 0.02100 -0.00400 0.00300 -0.00800 F5 0.03800 0.01900 0.04300 0.01300 0.02500 0.01800 F6 0.04500 0.02900 0.03600 0.00600 0.00600 0.01400 F7 0.00300 0.01400 0.02000 0.00400 0.00200 -0.00100 F8 0.01700 0.01200 0.01600 -0.00300 -0.00300 0.00300 F9 0.03300 0.01900 0.03800 -0.00500 0.02000 -0.00800 O 0.02300 0.02300 0.01800 -0.00100 0.00100 0.00500