# generated using pymatgen
data_Mg7Si4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.40854100
_cell_length_b   6.14718616
_cell_length_c   13.71568531
_cell_angle_alpha   80.13406866
_cell_angle_beta   81.82526577
_cell_angle_gamma   80.49648788
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg7Si4
_chemical_formula_sum   'Mg14 Si8'
_cell_volume   440.04512373
_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  0.99306900  0.10338100  0.70544200  1.0
  Mg  Mg1  1  0.79693500  0.57705800  0.82271600  1.0
  Mg  Mg2  1  0.55173400  0.92799600  0.62321800  1.0
  Mg  Mg3  1  0.39827300  0.44617700  0.68075100  1.0
  Mg  Mg4  1  0.71878300  0.34177900  0.07460400  1.0
  Mg  Mg5  1  0.66902000  0.70099000  0.42767400  1.0
  Mg  Mg6  1  0.43854200  0.07267100  0.27924800  1.0
  Mg  Mg7  1  0.29322100  0.35333900  0.46906500  1.0
  Mg  Mg8  1  0.27591000  0.34749900  0.93194700  1.0
  Mg  Mg9  1  0.41164400  0.77811500  0.00060100  1.0
  Mg  Mg10  1  0.89819200  0.99551500  0.93371800  1.0
  Mg  Mg11  1  0.78197100  0.74859400  0.15855400  1.0
  Mg  Mg12  1  0.88324800  0.28924100  0.31486600  1.0
  Mg  Mg13  1  0.12294800  0.88972500  0.49532800  1.0
  Si  Si14  1  0.12619500  0.03846600  0.12598100  1.0
  Si  Si15  1  0.51071400  0.05663000  0.81068200  1.0
  Si  Si16  1  0.27069800  0.75019800  0.81564700  1.0
  Si  Si17  1  0.39764800  0.51560300  0.26774700  1.0
  Si  Si18  1  0.19036700  0.41538400  0.12992200  1.0
  Si  Si19  1  0.78928900  0.27499600  0.52253200  1.0
  Si  Si20  1  0.91640100  0.54441900  0.61226100  1.0
  Si  Si21  1  0.06515400  0.82480300  0.30116700  1.0