data_[Mg4Ni4Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ni  1.9100  1.3500  0.7400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [6.4798]
_cell_length_b [4.1065]
_cell_length_c [6.9389]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [MgNiGe]
_chemical_formula_sum '[Mg4 Ni4 Ge4]'
_cell_volume [184.6377]
_cell_formula_units_Z [4]
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  4  0.0024  0.2500  0.6877  1.0
  Ni  Ni1  4  0.1542  0.7500  0.9456  1.0
  Ge  Ge2  4  0.2103  0.2500  0.1183  1.0
]