# generated using pymatgen
data_Mg4Si7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.91522200
_cell_length_b   7.16829325
_cell_length_c   14.17138577
_cell_angle_alpha   80.84907220
_cell_angle_beta   89.37420659
_cell_angle_gamma   87.12344136
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg4Si7
_chemical_formula_sum   'Mg8 Si14'
_cell_volume   392.16801038
_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  0.00000000  0.00000000  0.00000000  1.0
  Mg  Mg1  1  0.50000000  0.50000000  0.50000000  1.0
  Mg  Mg2  1  0.99618700  0.26256700  0.65995400  1.0
  Mg  Mg3  1  0.00381300  0.73743300  0.34004600  1.0
  Mg  Mg4  1  0.53083200  0.79915500  0.15435700  1.0
  Mg  Mg5  1  0.46916800  0.20084500  0.84564300  1.0
  Mg  Mg6  1  0.00619000  0.78737400  0.57880000  1.0
  Mg  Mg7  1  0.99381000  0.21262600  0.42120000  1.0
  Si  Si8  1  0.44318200  0.25305400  0.04981800  1.0
  Si  Si9  1  0.55681800  0.74694600  0.95018200  1.0
  Si  Si10  1  0.91644600  0.38645900  0.95308400  1.0
  Si  Si11  1  0.08355400  0.61354100  0.04691600  1.0
  Si  Si12  1  0.49939800  0.89125500  0.44313200  1.0
  Si  Si13  1  0.50060200  0.10874500  0.55686800  1.0
  Si  Si14  1  0.01274500  0.90300000  0.81516400  1.0
  Si  Si15  1  0.98725500  0.09700000  0.18483600  1.0
  Si  Si16  1  0.49371300  0.45057200  0.30518900  1.0
  Si  Si17  1  0.50628700  0.54942800  0.69481100  1.0
  Si  Si18  1  0.99446300  0.56305500  0.79747000  1.0
  Si  Si19  1  0.00553700  0.43694500  0.20253000  1.0
  Si  Si20  1  0.48455300  0.08770200  0.29056800  1.0
  Si  Si21  1  0.51544700  0.91229800  0.70943200  1.0