data_[Eu2Mg4Sn4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.7727]
_cell_length_b [4.7727]
_cell_length_c [12.2231]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [Eu(MgSn)2]
_chemical_formula_sum '[Eu2 Mg4 Sn4]'
_cell_volume [278.4253]
_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
[
  Eu  Eu0  2  0.0000  0.5000  0.7444  1.0
  Mg  Mg1  2  0.0000  0.0000  0.0000  1.0
  Mg  Mg2  2  0.0000  0.5000  0.3630  1.0
  Sn  Sn3  2  0.0000  0.0000  0.5000  1.0
  Sn  Sn4  2  0.0000  0.5000  0.1395  1.0
]