data_global _amcsd_formula_title 'Cr Mg O4' loop_ _publ_author_name 'Muller O' 'White W' 'Roy R' _journal_name_full 'Zeitschrift fur Kristallographie' _journal_volume 130 _journal_year 1969 _journal_page_first 112 _journal_page_last 120 _publ_section_title ; X-ray diffraction study of the chromates of nickel, magnesium and cadmium _cod_database_code 1008083 ; _database_code_amcsd 0016025 _chemical_formula_sum 'Mg Cr O4' _cell_length_a 5.497 _cell_length_b 8.368 _cell_length_c 6.147 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 282.755 _exptl_crystal_density_diffrn 3.296 _symmetry_space_group_name_H-M 'C m c m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,1/2+z' '1/2+x,1/2-y,1/2+z' '-x,y,1/2-z' '1/2-x,1/2+y,1/2-z' '-x,y,z' '1/2-x,1/2+y,z' 'x,-y,-z' '1/2+x,1/2-y,-z' 'x,y,1/2-z' '1/2+x,1/2+y,1/2-z' '-x,-y,1/2+z' '1/2-x,1/2-y,1/2+z' '-x,-y,-z' '1/2-x,1/2-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Mg1 0.00000 0.00000 0.00000 Cr1 0.00000 0.35500 0.25000 O1 0.00000 0.24000 0.03000 O2 0.26000 -0.02000 0.25000