data_global _chemical_name_mineral 'Sanmartinite' 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: x=0.55 ; _database_code_amcsd 0006599 _chemical_formula_sum '(Cu.45 Zn.55) W O4' _cell_length_a 4.689 _cell_length_b 5.77 _cell_length_c 4.899 _cell_angle_alpha 90.84 _cell_angle_beta 91.52 _cell_angle_gamma 85.87 _cell_volume 132.144 _exptl_crystal_density_diffrn 7.852 _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 0.50430 0.68160 0.24450 0.45000 0.01165 ZnM 0.50430 0.68160 0.24450 0.55000 0.01165 W 0.00900 0.17830 0.25250 1.00000 0.00532 O1 0.24900 0.33900 0.40900 1.00000 0.00253 O2 0.19500 0.88000 0.44000 1.00000 0.00253 O3 0.74100 0.37100 0.09600 1.00000 0.00253 O4 0.78400 0.89300 0.05900 1.00000 0.00253