# generated using pymatgen data_Mg4Si7 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 3.93524400 _cell_length_b 7.04458600 _cell_length_c 14.12338502 _cell_angle_alpha 80.91624172 _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 386.62046247 _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 0.50000000 0.14738300 0.07390900 1.0 Mg Mg1 1 0.50000000 0.34829500 0.49446200 1.0 Mg Mg2 1 0.00000000 0.14813900 0.65248100 1.0 Mg Mg3 1 0.00000000 0.57204800 0.33953900 1.0 Mg Mg4 1 0.50000000 0.61788100 0.15108600 1.0 Mg Mg5 1 0.00000000 0.49789000 0.81343300 1.0 Mg Mg6 1 0.00000000 0.64022900 0.58356100 1.0 Mg Mg7 1 0.00000000 0.05713400 0.42362800 1.0 Si Si8 1 0.00000000 0.45572200 0.01751400 1.0 Si Si9 1 0.00000000 0.85304500 0.02618100 1.0 Si Si10 1 0.50000000 0.66748900 0.94687500 1.0 Si Si11 1 0.00000000 0.16968900 0.93329500 1.0 Si Si12 1 0.50000000 0.74055100 0.44509800 1.0 Si Si13 1 0.50000000 0.95066100 0.56489600 1.0 Si Si14 1 0.50000000 0.14818800 0.82812200 1.0 Si Si15 1 0.00000000 0.92264300 0.19138400 1.0 Si Si16 1 0.50000000 0.28880000 0.30087800 1.0 Si Si17 1 0.00000000 0.88048900 0.81727300 1.0 Si Si18 1 0.50000000 0.40981600 0.68895200 1.0 Si Si19 1 0.00000000 0.30256200 0.18831500 1.0 Si Si20 1 0.50000000 0.93411100 0.29124100 1.0 Si Si21 1 0.50000000 0.75086800 0.72435900 1.0