data_[Mg4Sn4Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.5000]
_cell_length_b [6.4847]
_cell_length_c [8.4332]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.0031]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [MgSnSb]
_chemical_formula_sum '[Mg4 Sn4 Sb4]'
_cell_volume [334.0167]
_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  0.0000  0.2515  0.0000  1
  Sn  Sn1  4  0.1011  0.0000  0.6907  1
  Sb  Sb2  4  0.1422  0.5000  0.7529  1
]