data_global _chemical_name_mineral 'Sayrite' loop_ _publ_author_name 'Piret P' 'Deliens M' 'Piret-Meunier J' 'Germain G' _journal_name_full 'Bulletin de Mineralogie' _journal_volume 106 _journal_year 1983 _journal_page_first 299 _journal_page_last 304 _publ_section_title ; La sayrite, Pb2[(UO2)5O6(OH)2]*4H2O, nouveau mineral; proprietes et structure cristalline ; _database_code_amcsd 0012080 _chemical_compound_source 'Shinkolobwe, Shaba, Zaire' _chemical_formula_sum 'Pb2 U5 O22 H10' _cell_length_a 10.704 _cell_length_b 6.960 _cell_length_c 14.533 _cell_angle_alpha 90 _cell_angle_beta 116.81 _cell_angle_gamma 90 _cell_volume 966.323 _exptl_crystal_density_diffrn 6.759 _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 Pb 0.28170 0.14730 0.89580 0.00410 U1 0.17910 0.04780 0.60420 0.00050 U2 0.42270 0.04160 0.21740 0.00130 U3 0.00000 0.00000 0.00000 0.00010 O5 0.13000 0.99900 0.70900 0.00440 O6 0.23800 0.09600 0.50900 0.00260 O7 0.40900 0.99700 0.33400 0.00920 O8 0.44500 0.08500 0.10100 0.00120 O9 0.09100 0.03100 0.91800 0.00070 O10 0.18700 0.10800 0.12300 0.00100 O11 0.38600 0.35600 0.23000 0.00010 O-H12 0.65600 0.22000 0.34700 0.00430 O13 0.96400 0.18200 0.49500 0.00830 Wat14 0.12100 0.42700 0.79500 0.02220 Wat15 0.69500 0.26400 0.56500 0.00270