# generated using pymatgen data_MgSi2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 3.63162200 _cell_length_b 5.33238800 _cell_length_c 11.86567472 _cell_angle_alpha 85.55892577 _cell_angle_beta 90.00000000 _cell_angle_gamma 90.00000000 _symmetry_Int_Tables_number 1 _chemical_formula_structural MgSi2 _chemical_formula_sum 'Mg4 Si8' _cell_volume 229.09145342 _cell_formula_units_Z 4 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 0.98057500 0.96064000 1.0 Mg Mg1 1 0.00000000 0.16867800 0.17803300 1.0 Mg Mg2 1 0.00000000 0.65152500 0.35619600 1.0 Mg Mg3 1 0.50000000 0.35568500 0.59375400 1.0 Si Si4 1 0.50000000 0.47732200 0.04205400 1.0 Si Si5 1 0.50000000 0.48174200 0.84005500 1.0 Si Si6 1 0.50000000 0.86784900 0.71717400 1.0 Si Si7 1 0.50000000 0.25739300 0.34916800 1.0 Si Si8 1 0.00000000 0.20971700 0.79219200 1.0 Si Si9 1 0.00000000 0.69275100 0.11911700 1.0 Si Si10 1 0.00000000 0.09708800 0.45570700 1.0 Si Si11 1 0.00000000 0.75974300 0.59581100 1.0