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 1008086 ; _database_code_amcsd 0016028 _chemical_formula_sum 'Mg Cr O4' _cell_length_a 9.95 _cell_length_b 9.16 _cell_length_c 6.759 _cell_angle_alpha 90 _cell_angle_beta 103.68 _cell_angle_gamma 90 _cell_volume 598.553 _exptl_crystal_density_diffrn 3.114 _symmetry_space_group_name_H-M 'C 1 2/m 1' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,z' 'x,-y,z' '1/2+x,1/2-y,z' '-x,y,-z' '1/2-x,1/2+y,-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 0.18500 0.50000 Mg2 0.79300 0.00000 0.11400 Cr1 0.00000 0.25600 0.00000 Cr2 0.26900 0.00000 0.39400 O1 0.35000 0.50000 0.46000 O2 0.17000 0.00000 0.19000 O3 0.13000 0.35000 0.11000 O4 0.46000 0.34000 0.17000 O5 0.37000 0.13000 0.48000