data_global _chemical_name_mineral 'Fourmarierite' loop_ _publ_author_name 'Li Y' 'Burns P C' _journal_name_full 'The Canadian Mineralogist' _journal_volume 38 _journal_year 2000 _journal_page_first 737 _journal_page_last 749 _publ_section_title ; Investigations of crystal-chemical variability in lead uranyl oxide hydrates. II. Fourmarierite Note: sample CMNMC 81099 ; _database_code_amcsd 0005674 _chemical_compound_source 'Shinkolobwe, Democratic Republic of Congo' _chemical_formula_sum 'U4 Pb O19 H10' _cell_length_a 14.014 _cell_length_b 16.412 _cell_length_c 14.322 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 3294.028 _exptl_crystal_density_diffrn 5.942 _symmetry_space_group_name_H-M 'B b 21 m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,y,1/2+z' '-x,1/2+y,z' '1/2-x,1/2+y,1/2+z' 'x,y,-z' '1/2+x,y,1/2-z' '-x,1/2+y,-z' '1/2-x,1/2+y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv U(1) 0.02500 0.11690 0.24300 0.01300 U(2) 0.01540 0.38280 0.23970 0.01400 U(3) 0.27240 0.02140 0.22150 0.01200 U(4) 0.24160 0.25360 0.26160 0.01300 Pb(1) 0.18740 0.38210 0.00000 0.02800 Pb(2) 0.32930 0.60380 0.00000 0.02600 O(1) -0.00360 0.13410 0.12260 0.02900 O(2) 0.05250 0.09510 0.36490 0.02300 O(3) 0.05400 0.37410 0.11980 0.01900 O(4) -0.02760 0.38730 0.35520 0.02800 O(5) 0.29030 0.02520 0.09810 0.02100 O(6) 0.24720 0.01030 0.34170 0.03300 O(7) 0.25270 0.29460 0.14450 0.01900 O(8) 0.23840 0.21550 0.38200 0.02800 O(9) 0.10710 -0.01750 0.19290 0.00600 O(10) -0.07260 0.00740 0.24010 0.01500 O(11) -0.13360 0.15900 0.28990 0.01400 O-H(12) 0.06950 0.25020 0.26990 0.02400 O(13) 0.18020 0.13420 0.21350 0.02400 O(14) -0.11670 0.31440 0.18630 0.02300 O-H(15) 0.18250 0.38150 0.30010 0.01900 Wat(16) 0.13200 0.54080 0.00000 0.03100 Wat(17) 0.37030 0.44840 0.00000 0.02900 Wat(18) 0.13600 0.21400 0.00000 0.05700 Wat(19) 0.46300 0.73400 0.00000 0.11100 Wat(20) 0.11800 -0.04250 0.00000 0.04100 Wat(21) 0.35700 0.16760 0.00000 0.04500 Wat(22) 0.09200 0.77280 0.00000 0.05500 Wat(23) 0.32200 0.86900 0.00000 0.09300