data_global _chemical_name_mineral 'Molybdite' loop_ _publ_author_name 'Kihlborg L' _journal_name_full 'Arkiv for Kemi' _journal_volume 21 _journal_year 1963 _journal_page_first 357 _journal_page_last 364 _publ_section_title ; Least squares refinement of the crystal structure of molybdenum trioxide ; _database_code_amcsd 0018982 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Mo O3' _cell_length_a 3.9628 _cell_length_b 13.855 _cell_length_c 3.6964 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 202.949 _exptl_crystal_density_diffrn 4.711 _symmetry_space_group_name_H-M 'P b n m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,y,1/2-z' '-x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '1/2-x,1/2+y,1/2-z' '1/2-x,1/2+y,z' '1/2+x,1/2-y,-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 Mo 0.08669 0.10164 0.25000 0.00291 O1 0.49940 0.43513 0.25000 0.00711 O2 0.52120 0.08657 0.25000 0.00795 O3 0.03730 0.22140 0.25000 0.01204