data_global _chemical_name_mineral 'Cuprosklodowskite' loop_ _publ_author_name 'Rosenzweig A' 'Ryan R R' _journal_name_full 'American Mineralogist' _journal_volume 60 _journal_year 1975 _journal_page_first 448 _journal_page_last 453 _publ_section_title ; Refinement of the crystal structure of cuprosklodowskite, Cu[(UO2)2(SiO3OH)2]*6(H2O) Note: y(U) was changed to reproduce reported bond lengths ; _database_code_amcsd 461 _chemical_compound_source 'Musonoi mine, Kolwezi, Katanga, Zaire' _chemical_formula_sum 'U2 Cu Si2 O18 H12' _cell_length_a 7.052 _cell_length_b 9.267 _cell_length_c 6.655 _cell_angle_alpha 109.2 _cell_angle_beta 89.8 _cell_angle_gamma 110.0 _cell_volume 383.028 _exptl_crystal_density_diffrn 3.884 _symmetry_space_group_name_H-M 'P -1' loop_ _space_group_symop_operation_xyz 'x,y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z U 0.2589 0.021 0.6397 Cu 0.5 0.5 0.0 Si 0.7735 0.0526 0.8573 O1 0.353 0.235 0.699 O2 0.838 0.193 0.416 O3 0.588 0.024 0.692 O4 0.932 0.018 0.69 O5 0.863 0.248 0.021 O6 0.72 0.94 0.002 Wat7 0.465 0.374 0.193 Wat8 0.231 0.513 0.052 Wat9 0.201 0.482 0.499 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 U 0.00898 0.02058 0.00532 0.0155 0.00395 0.01006 Cu 0.03462 0.02666 0.03508 0.01659 0.00935 0.02553 Si 0.01512 0.02295 0.00769 0.01713 0.00623 0.01109 O1 0.02082 0.03408 0.01991 0.02094 0.00478 0.03172 O2 0.016 0.04589 0.0203 0.03535 0.00935 0.03378 O3 0.02147 0.04218 0.00512 0.03997 0.01372 0.02295 O4 0.01315 0.03645 0.0071 0.02828 0.00852 0.02012 O5 0.04382 0.02835 0.01596 0.03209 0.00852 0.01547 O6 0.01643 0.0297 0.00572 0.02447 0.00478 0.01032 Wat7 0.05434 0.02497 0.02838 0.00489 -0.00831 0.01367 Wat8 0.039 0.04421 0.11313 0.04079 0.04281 0.07427 Wat9 0.05609 0.05838 0.06189 0.02556 0.01081 0.03198