# generated using pymatgen data_Mg4Si7 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 4.62036200 _cell_length_b 6.14891200 _cell_length_c 13.84591279 _cell_angle_alpha 89.69686203 _cell_angle_beta 90.00000000 _cell_angle_gamma 90.00000000 _symmetry_Int_Tables_number 1 _chemical_formula_structural Mg4Si7 _chemical_formula_sum 'Mg8 Si14' _cell_volume 393.35963688 _cell_formula_units_Z 2 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 Mg Mg0 1 0.00000000 0.08960400 0.08882300 1.0 Mg Mg1 1 0.00000000 0.37471900 0.53987400 1.0 Mg Mg2 1 0.50000000 0.98354700 0.72601100 1.0 Mg Mg3 1 0.50000000 0.58458600 0.32181000 1.0 Mg Mg4 1 0.00000000 0.56324800 0.17298500 1.0 Mg Mg5 1 0.50000000 0.57950600 0.86100200 1.0 Mg Mg6 1 0.50000000 0.71667500 0.54118200 1.0 Mg Mg7 1 0.50000000 0.11472100 0.42002100 1.0 Si Si8 1 0.00000000 0.30731300 0.91621200 1.0 Si Si9 1 0.00000000 0.68322600 0.97917500 1.0 Si Si10 1 0.50000000 0.79534300 0.04510600 1.0 Si Si11 1 0.50000000 0.16857300 0.96606700 1.0 Si Si12 1 0.00000000 0.75271200 0.42619400 1.0 Si Si13 1 0.00000000 0.95887900 0.57917500 1.0 Si Si14 1 0.00000000 0.89327100 0.83381500 1.0 Si Si15 1 0.50000000 0.97234400 0.20663700 1.0 Si Si16 1 0.00000000 0.32982900 0.34639000 1.0 Si Si17 1 0.00000000 0.25807400 0.74332000 1.0 Si Si18 1 0.50000000 0.41981500 0.68030600 1.0 Si Si19 1 0.50000000 0.33606700 0.12644200 1.0 Si Si20 1 0.00000000 0.96136400 0.28212400 1.0 Si Si21 1 0.00000000 0.66023200 0.69372900 1.0