data_global _amcsd_formula_title 'Mg O4 W' loop_ _publ_author_name 'Broch E' _journal_name_full 'Skrifter utgitt av det Norske Videnskaps-Akademi i Oslo' _journal_volume 1 _journal_year 1929 _journal_page_first 1 _journal_page_last 618 _publ_section_title ; Untersuchungen ueber Kristallstrukturen des Wolframittypus und des Scheelittypus _cod_database_code 1010642 ; _database_code_amcsd 0017524 _chemical_formula_sum 'W Mg' _cell_length_a 4.68 _cell_length_b 5.66 _cell_length_c 4.92 _cell_angle_alpha 90 _cell_angle_beta 89.67 _cell_angle_gamma 90 _cell_volume 130.323 _exptl_crystal_density_diffrn 5.305 _symmetry_space_group_name_H-M 'P 1 2/c 1' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,-y,1/2+z' '-x,y,1/2-z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z W1 0.00000 0.18200 0.25000 Mg1 0.50000 0.68000 0.25000