# generated using pymatgen
data_Mg7Si4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.55595500
_cell_length_b   5.89591837
_cell_length_c   13.60069292
_cell_angle_alpha   94.44220467
_cell_angle_beta   96.61324048
_cell_angle_gamma   100.54547888
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg7Si4
_chemical_formula_sum   'Mg14 Si8'
_cell_volume   432.86462207
_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  0.29704200  0.93439700  0.19430800  1.0
  Mg  Mg1  1  0.15636300  0.48386300  0.27884200  1.0
  Mg  Mg2  1  0.90432900  0.93455700  0.35416800  1.0
  Mg  Mg3  1  0.64672600  0.36891300  0.32760000  1.0
  Mg  Mg4  1  0.97615200  0.49775100  0.03994600  1.0
  Mg  Mg5  1  0.14485700  0.79810000  0.54947500  1.0
  Mg  Mg6  1  0.21917600  0.39597900  0.86343400  1.0
  Mg  Mg7  1  0.39258600  0.30205700  0.66700700  1.0
  Mg  Mg8  1  0.45432700  0.32505500  0.07634400  1.0
  Mg  Mg9  1  0.51476700  0.82821900  0.99971800  1.0
  Mg  Mg10  1  0.02405300  0.98402800  0.96504900  1.0
  Mg  Mg11  1  0.34332900  0.85564400  0.76803700  1.0
  Mg  Mg12  1  0.80412400  0.20042500  0.53023900  1.0
  Mg  Mg13  1  0.62255100  0.68273600  0.54783800  1.0
  Si  Si14  1  0.66919400  0.21132900  0.87732500  1.0
  Si  Si15  1  0.82096300  0.10755600  0.16359800  1.0
  Si  Si16  1  0.75896300  0.69002400  0.18033900  1.0
  Si  Si17  1  0.93828700  0.50275700  0.69599300  1.0
  Si  Si18  1  0.72524900  0.60961500  0.83687200  1.0
  Si  Si19  1  0.41473500  0.92640000  0.40109600  1.0
  Si  Si20  1  0.28045700  0.29256800  0.45669600  1.0
  Si  Si21  1  0.88810900  0.06058000  0.72234800  1.0