# generated using pymatgen
data_Mg7Si4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.15654300
_cell_length_b   5.98325066
_cell_length_c   14.26470366
_cell_angle_alpha   92.75068161
_cell_angle_beta   94.93359366
_cell_angle_gamma   96.50012334
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg7Si4
_chemical_formula_sum   'Mg14 Si8'
_cell_volume   434.91664829
_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  0.63173900  0.09352600  0.09073000  1.0
  Mg  Mg1  1  0.29214500  0.45612800  0.36050800  1.0
  Mg  Mg2  1  0.77113300  0.42821200  0.49449100  1.0
  Mg  Mg3  1  0.72074700  0.12551700  0.30006700  1.0
  Mg  Mg4  1  0.52075900  0.60622400  0.15794900  1.0
  Mg  Mg5  1  0.79131300  0.71498900  0.69301600  1.0
  Mg  Mg6  1  0.82258600  0.21740400  0.69416900  1.0
  Mg  Mg7  1  0.73994600  0.92130100  0.48584200  1.0
  Mg  Mg8  1  0.13849900  0.27095700  0.00741000  1.0
  Mg  Mg9  1  0.03630300  0.75985100  0.04755300  1.0
  Mg  Mg10  1  0.58542400  0.23423900  0.88487000  1.0
  Mg  Mg11  1  0.51366800  0.73613200  0.90616600  1.0
  Mg  Mg12  1  0.26483900  0.69892000  0.56736200  1.0
  Mg  Mg13  1  0.26184700  0.19801400  0.54895400  1.0
  Si  Si14  1  0.03225400  0.94593100  0.85886000  1.0
  Si  Si15  1  0.01058900  0.43605500  0.18457800  1.0
  Si  Si16  1  0.82799400  0.63010800  0.32325100  1.0
  Si  Si17  1  0.32613800  0.44792300  0.73334300  1.0
  Si  Si18  1  0.00808000  0.53286200  0.85812600  1.0
  Si  Si19  1  0.20059300  0.06982200  0.20121700  1.0
  Si  Si20  1  0.19074600  0.95296600  0.37300100  1.0
  Si  Si21  1  0.30906700  0.01921100  0.72485900  1.0