# generated using pymatgen
data_Mg4Si7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.93530700
_cell_length_b   6.81519200
_cell_length_c   14.67019702
_cell_angle_alpha   86.49615403
_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   392.71733588
_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  0.81048100  0.93165100  1.0
  Mg  Mg1  1  0.50000000  0.55478200  0.50381400  1.0
  Mg  Mg2  1  0.00000000  0.76699400  0.33370700  1.0
  Mg  Mg3  1  0.00000000  0.35306300  0.66192200  1.0
  Mg  Mg4  1  0.50000000  0.33436500  0.83990800  1.0
  Mg  Mg5  1  0.00000000  0.78939700  0.09751900  1.0
  Mg  Mg6  1  0.00000000  0.25343600  0.42612300  1.0
  Mg  Mg7  1  0.00000000  0.85561300  0.58259800  1.0
  Si  Si8  1  0.00000000  0.49965300  0.96121400  1.0
  Si  Si9  1  0.00000000  0.13069100  0.96267100  1.0
  Si  Si10  1  0.50000000  0.48026200  0.07587200  1.0
  Si  Si11  1  0.50000000  0.11544000  0.07095600  1.0
  Si  Si12  1  0.50000000  0.17240800  0.56083300  1.0
  Si  Si13  1  0.50000000  0.93357300  0.44921500  1.0
  Si  Si14  1  0.00000000  0.09583300  0.20397900  1.0
  Si  Si15  1  0.00000000  0.01860500  0.80656100  1.0
  Si  Si16  1  0.50000000  0.64435100  0.69571200  1.0
  Si  Si17  1  0.50000000  0.46665800  0.31537500  1.0
  Si  Si18  1  0.00000000  0.45644000  0.20809100  1.0
  Si  Si19  1  0.00000000  0.65205900  0.80508200  1.0
  Si  Si20  1  0.50000000  0.00617400  0.70861000  1.0
  Si  Si21  1  0.50000000  0.10613100  0.30215700  1.0