# generated using pymatgen
data_Mg7Si4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.28780100
_cell_length_b   6.25405217
_cell_length_c   16.84677798
_cell_angle_alpha   99.01575717
_cell_angle_beta   93.76685417
_cell_angle_gamma   89.79465628
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg7Si4
_chemical_formula_sum   'Mg14 Si8'
_cell_volume   445.20973204
_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  0.42551900  0.85989300  0.86181400  1.0
  Mg  Mg1  1  0.90457900  0.12889500  0.77553100  1.0
  Mg  Mg2  1  0.34620000  0.10700800  0.53615200  1.0
  Mg  Mg3  1  0.38693000  0.40248000  0.70336400  1.0
  Mg  Mg4  1  0.43113700  0.37888800  0.88839800  1.0
  Mg  Mg5  1  0.28421600  0.54561800  0.33615700  1.0
  Mg  Mg6  1  0.28913100  0.02854100  0.29749600  1.0
  Mg  Mg7  1  0.34747400  0.60904400  0.53630700  1.0
  Mg  Mg8  1  0.96152100  0.65912700  0.97898700  1.0
  Mg  Mg9  1  0.95532100  0.15771000  0.97286200  1.0
  Mg  Mg10  1  0.48637700  0.94386900  0.06958300  1.0
  Mg  Mg11  1  0.47886200  0.46388800  0.10687800  1.0
  Mg  Mg12  1  0.81579900  0.83053700  0.43329900  1.0
  Mg  Mg13  1  0.81533900  0.31413200  0.42669000  1.0
  Si  Si14  1  0.00224500  0.16799500  0.14014200  1.0
  Si  Si15  1  0.91570600  0.56783700  0.81159800  1.0
  Si  Si16  1  0.37985600  0.92487100  0.67811200  1.0
  Si  Si17  1  0.76745200  0.71973100  0.26687100  1.0
  Si  Si18  1  0.00447900  0.77604900  0.14515500  1.0
  Si  Si19  1  0.88336400  0.71989100  0.68510800  1.0
  Si  Si20  1  0.85929200  0.37818000  0.59182700  1.0
  Si  Si21  1  0.75923700  0.32324800  0.26137100  1.0