# generated using pymatgen
data_Mg4Si7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.99151300
_cell_length_b   6.87027717
_cell_length_c   14.84531072
_cell_angle_alpha   103.36995146
_cell_angle_beta   96.31173856
_cell_angle_gamma   91.27731647
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg4Si7
_chemical_formula_sum   'Mg8 Si14'
_cell_volume   393.18620513
_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  0.21466600  0.70051000  0.06544000  1.0
  Mg  Mg1  1  0.39001000  0.15113600  0.49374200  1.0
  Mg  Mg2  1  0.97585300  0.23317100  0.64880900  1.0
  Mg  Mg3  1  0.82242700  0.04674100  0.34227100  1.0
  Mg  Mg4  1  0.25909700  0.11971400  0.15744700  1.0
  Mg  Mg5  1  0.65790200  0.75645500  0.89720900  1.0
  Mg  Mg6  1  0.91097800  0.80218700  0.58077800  1.0
  Mg  Mg7  1  0.86090900  0.49699000  0.42102600  1.0
  Si  Si8  1  0.71626100  0.36748100  0.03551400  1.0
  Si  Si9  1  0.68304200  0.00015800  0.03763000  1.0
  Si  Si10  1  0.17447200  0.40972300  0.93527300  1.0
  Si  Si11  1  0.13997400  0.07155000  0.90421600  1.0
  Si  Si12  1  0.36713400  0.79625700  0.44570100  1.0
  Si  Si13  1  0.43578600  0.48872000  0.56000000  1.0
  Si  Si14  1  0.57772900  0.15233500  0.79638000  1.0
  Si  Si15  1  0.77393100  0.80141000  0.19686200  1.0
  Si  Si16  1  0.31185100  0.35814600  0.29959100  1.0
  Si  Si17  1  0.10790200  0.64519100  0.77801200  1.0
  Si  Si18  1  0.45348100  0.92913900  0.69226800  1.0
  Si  Si19  1  0.76959600  0.44118600  0.19079700  1.0
  Si  Si20  1  0.32055300  0.72521700  0.29633900  1.0
  Si  Si21  1  0.56918000  0.50656300  0.72106800  1.0