data_[Sr4Mg4Zn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.8302]
_cell_length_b [7.8302]
_cell_length_c [5.3958]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Sr2Mg2Zn]
_chemical_formula_sum '[Sr4 Mg4 Zn2]'
_cell_volume [330.8255]
_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
[
  Sr  Sr0  4  0.1758  0.6758  0.5000  1
  Mg  Mg1  4  0.1365  0.3635  0.0000  1
  Zn  Zn2  2  0.0000  0.0000  0.0000  1
]