# generated using pymatgen
data_Mg7Si4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.34287300
_cell_length_b   6.15277202
_cell_length_c   13.92522460
_cell_angle_alpha   96.56144693
_cell_angle_beta   96.57698505
_cell_angle_gamma   97.98464063
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg7Si4
_chemical_formula_sum   'Mg14 Si8'
_cell_volume   446.38905969
_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  0.27844700  0.82754900  0.86727900  1.0
  Mg  Mg1  1  0.86094600  0.26446500  0.75955000  1.0
  Mg  Mg2  1  0.58888900  0.04753100  0.55800200  1.0
  Mg  Mg3  1  0.36668300  0.51094100  0.66443100  1.0
  Mg  Mg4  1  0.39642000  0.34382600  0.88177200  1.0
  Mg  Mg5  1  0.19831300  0.53766800  0.25905900  1.0
  Mg  Mg6  1  0.40168500  0.03327000  0.32747000  1.0
  Mg  Mg7  1  0.51476700  0.54000900  0.44706000  1.0
  Mg  Mg8  1  0.97045700  0.53571800  0.00409700  1.0
  Mg  Mg9  1  0.82745200  0.03904300  0.95255300  1.0
  Mg  Mg10  1  0.52325600  0.74848300  0.10470100  1.0
  Mg  Mg11  1  0.36439600  0.21821600  0.08366600  1.0
  Mg  Mg12  1  0.06519100  0.79642900  0.49165400  1.0
  Mg  Mg13  1  0.97499000  0.25231100  0.42025100  1.0
  Si  Si14  1  0.87463200  0.22239300  0.13642900  1.0
  Si  Si15  1  0.75304700  0.66458500  0.83302100  1.0
  Si  Si16  1  0.29074700  0.05229800  0.70562500  1.0
  Si  Si17  1  0.80352800  0.79979200  0.30289800  1.0
  Si  Si18  1  0.03635500  0.87847400  0.15591700  1.0
  Si  Si19  1  0.88070100  0.82482400  0.69048800  1.0
  Si  Si20  1  0.85272800  0.46899300  0.59123000  1.0
  Si  Si21  1  0.67639900  0.40061000  0.26653900  1.0