# generated using pymatgen
data_Mg7Si4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.21083300
_cell_length_b   5.92571144
_cell_length_c   14.03445227
_cell_angle_alpha   85.22094966
_cell_angle_beta   85.76456986
_cell_angle_gamma   85.49009696
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg7Si4
_chemical_formula_sum   'Mg14 Si8'
_cell_volume   429.52147660
_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  0.02826400  0.10940400  0.71622700  1.0
  Mg  Mg1  1  0.75388700  0.50501600  0.83685800  1.0
  Mg  Mg2  1  0.57718800  0.87297100  0.63719300  1.0
  Mg  Mg3  1  0.51259900  0.38072200  0.65302600  1.0
  Mg  Mg4  1  0.69629300  0.31882500  0.07786100  1.0
  Mg  Mg5  1  0.66058600  0.67226000  0.44312100  1.0
  Mg  Mg6  1  0.45207600  0.08244200  0.30637100  1.0
  Mg  Mg7  1  0.17974900  0.43451700  0.46982100  1.0
  Mg  Mg8  1  0.24658200  0.33160000  0.93495600  1.0
  Mg  Mg9  1  0.42643600  0.78475200  0.98752500  1.0
  Mg  Mg10  1  0.91802000  0.94595600  0.92993300  1.0
  Mg  Mg11  1  0.76209300  0.80571400  0.15593200  1.0
  Mg  Mg12  1  0.91688800  0.34038500  0.28859100  1.0
  Mg  Mg13  1  0.12984600  0.93421100  0.50354900  1.0
  Si  Si14  1  0.19171400  0.07694600  0.11178900  1.0
  Si  Si15  1  0.50155700  0.04258500  0.80875700  1.0
  Si  Si16  1  0.26013600  0.68645800  0.79860700  1.0
  Si  Si17  1  0.38478900  0.55179800  0.26650000  1.0
  Si  Si18  1  0.17843100  0.49644200  0.11725000  1.0
  Si  Si19  1  0.65105200  0.18090800  0.48090800  1.0
  Si  Si20  1  0.02672300  0.60535900  0.65559400  1.0
  Si  Si21  1  0.04505300  0.83331100  0.32329900  1.0