data_global _chemical_name_mineral 'Cuproscheelite' loop_ _publ_author_name 'Redfern S A T' 'Bell A M T' 'Henderson M B' 'Schofield P F' _journal_name_full 'European Journal of Mineralogy' _journal_volume 7 _journal_year 1995 _journal_page_first 1019 _journal_page_last 1028 _publ_section_title ; Rietveld study of the structural phase transition in the sanmartinite (ZnWO4)- cuproscheelite (CuWO4) solid solution Sample: Cu.7Zn.3WO4 ; _database_code_amcsd 0006598 _chemical_formula_sum '(Cu.7 Zn.3) W O4' _cell_length_a 4.699 _cell_length_b 5.817 _cell_length_c 4.887 _cell_angle_alpha 91.33 _cell_angle_beta 92.08 _cell_angle_gamma 83.90 _cell_volume 132.713 _exptl_crystal_density_diffrn 7.806 _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 _atom_site_occupancy _atom_site_U_iso_or_equiv CuM 0.50020 0.66940 0.24440 0.70000 0.01545 ZnM 0.50020 0.66940 0.24440 0.30000 0.01545 W 0.01570 0.17580 0.25390 1.00000 0.00545 O1 0.25000 0.34900 0.41800 1.00000 0.00253 O2 0.21100 0.87800 0.43600 1.00000 0.00253 O3 0.73700 0.37800 0.09400 1.00000 0.00253 O4 0.78300 0.90800 0.05000 1.00000 0.00253