# generated using pymatgen
data_Mg7Si4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.27026600
_cell_length_b   6.10218830
_cell_length_c   14.17669465
_cell_angle_alpha   96.39052134
_cell_angle_beta   94.41254066
_cell_angle_gamma   100.99763342
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg7Si4
_chemical_formula_sum   'Mg14 Si8'
_cell_volume   442.51293704
_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  0.43373400  0.28207200  0.10106400  1.0
  Mg  Mg1  1  0.76661000  0.07083500  0.35673600  1.0
  Mg  Mg2  1  0.18537100  0.48999800  0.47784300  1.0
  Mg  Mg3  1  0.30619400  0.22534900  0.30106500  1.0
  Mg  Mg4  1  0.48745300  0.80123500  0.13637100  1.0
  Mg  Mg5  1  0.20361400  0.74831800  0.69188500  1.0
  Mg  Mg6  1  0.15770400  0.24201900  0.68169800  1.0
  Mg  Mg7  1  0.19611400  0.97858600  0.48009800  1.0
  Mg  Mg8  1  0.95609800  0.45285900  0.03407400  1.0
  Mg  Mg9  1  0.95502600  0.93160200  0.01386300  1.0
  Mg  Mg10  1  0.47367300  0.51688700  0.91436400  1.0
  Mg  Mg11  1  0.43733200  0.00560600  0.89757000  1.0
  Mg  Mg12  1  0.69682200  0.82396800  0.57126000  1.0
  Mg  Mg13  1  0.67697500  0.32123400  0.55085900  1.0
  Si  Si14  1  0.99363900  0.61603000  0.85955800  1.0
  Si  Si15  1  0.89531700  0.19513800  0.17991300  1.0
  Si  Si16  1  0.32654100  0.75463800  0.31602200  1.0
  Si  Si17  1  0.63592900  0.12098800  0.72815500  1.0
  Si  Si18  1  0.98963000  0.19866200  0.86336200  1.0
  Si  Si19  1  0.89923000  0.60132000  0.22929700  1.0
  Si  Si20  1  0.68402600  0.57933900  0.38499100  1.0
  Si  Si21  1  0.64654700  0.53966700  0.72632400  1.0