# generated using pymatgen data_Na4MgCu(AsO4)2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.39260428 _cell_length_b 6.98493252 _cell_length_c 6.55660963 _cell_angle_alpha 87.10785063 _cell_angle_beta 85.29781548 _cell_angle_gamma 91.16241157 _symmetry_Int_Tables_number 1 _chemical_formula_structural Na4MgCu(AsO4)2 _chemical_formula_sum 'Na4 Mg1 Cu1 As2 O8' _cell_volume 245.74891825 _cell_formula_units_Z 1 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' loop_ _atom_site_type_symbol _atom_site_label _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Na Na0 1 0.14849018 0.49020830 0.21694595 1.0 Na Na1 1 0.85150982 0.50979170 0.78305405 1.0 Na Na2 1 0.39157966 0.26353407 0.74255004 1.0 Na Na3 1 0.60842034 0.73646593 0.25744996 1.0 Mg Mg4 1 0.00000000 -0.00000000 0.50000000 1.0 Cu Cu5 1 0.00000000 -0.00000000 -0.00000000 1.0 As As6 1 0.36153303 0.75864663 0.68092976 1.0 As As7 1 0.63846697 0.24135337 0.31907024 1.0 O O8 1 0.78023504 0.25130601 0.55295441 1.0 O O9 1 0.31644423 0.21663697 0.37247322 1.0 O O10 1 0.27553150 0.56189120 0.84727374 1.0 O O11 1 0.68355577 0.78336303 0.62752678 1.0 O O12 1 0.72446850 0.43810880 0.15272626 1.0 O O13 1 0.80128745 0.02701002 0.23821934 1.0 O O14 1 0.19871255 0.97298998 0.76178066 1.0 O O15 1 0.21976496 0.74869399 0.44704559 1.0