data_global _chemical_name_mineral 'Francoisite-(Nd)' loop_ _publ_author_name 'Piret P' 'Deliens M' 'Piret-Meunier J' _journal_name_full 'Bulletin de Mineralogie' _journal_volume 111 _journal_year 1988 _journal_page_first 443 _journal_page_last 449 _publ_section_title ; La francoisite-(Nd), nouveau phosphate d'uranyle et de terres rares; proprietes et structure cristalline ; _database_code_amcsd 0012091 _chemical_compound_source 'Kamoto, Shaba, Democratic Republic of Congo' _chemical_formula_sum 'Nd U3 P2 O22' _cell_length_a 9.298 _cell_length_b 15.605 _cell_length_c 13.668 _cell_angle_alpha 90 _cell_angle_beta 112.77 _cell_angle_gamma 90 _cell_volume 1828.607 _exptl_crystal_density_diffrn 4.621 _symmetry_space_group_name_H-M 'P 1 21/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-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 _atom_site_U_iso_or_equiv Nd4 0.62450 -0.00520 0.23480 0.02040 U1 0.01110 0.20850 -0.00020 0.01040 U2 -0.20940 0.24230 0.20020 0.00950 U3 0.23610 0.24500 0.31740 0.01160 P5 0.38900 0.18600 0.10300 0.01100 P6 -0.36800 0.18600 -0.09400 0.01500 O7 0.00300 0.32200 0.01600 0.04600 O8 0.01100 0.09300 -0.01100 0.02300 O9 -0.20200 0.35000 0.15500 0.02100 O10 -0.22000 0.13400 0.24700 0.00700 O11 0.23200 0.35300 0.27300 0.03600 O12 0.25300 0.13700 0.37300 0.04100 O13 0.28300 0.19400 -0.01400 0.00800 O14 0.27400 0.20200 0.15800 0.01800 O15 0.52100 0.25000 0.13600 0.01300 O16 0.45700 0.09800 0.12200 0.02800 O17 -0.25400 0.20500 -0.14600 0.01700 O18 -0.26000 0.19300 0.02400 0.02600 O19 -0.49400 0.25600 -0.12100 0.01200 O20 -0.43700 0.09700 -0.12000 0.02800 O21 0.01200 0.19000 0.17100 0.00300 O22 0.01700 0.23300 -0.15900 0.02000 O23 0.70000 -0.00200 0.07800 0.02900 O24 0.63200 -0.09400 0.38200 0.06700 O25 0.64800 0.09200 0.38900 0.04800 O26 0.91100 -0.00600 0.36200 0.04500 O27 0.36700 -0.00200 0.27400 0.10200 O28 0.03900 0.02100 0.19900 0.04100 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 Nd4 0.02220 0.01110 0.02050 -0.00080 0.00470 0.00200 U1 0.00890 0.01510 0.00470 -0.00190 0.00270 0.00010 U2 0.00750 0.01110 0.00730 -0.00030 0.00230 -0.00220 U3 0.00740 0.01540 0.00900 0.00010 0.00420 -0.00130