data_[Sr4Li2Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Li  0.9800  1.4500  0.9000
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.2002]
_cell_length_b [5.8801]
_cell_length_c [12.1284]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Sr2LiMg]
_chemical_formula_sum '[Sr4 Li2 Mg2]'
_cell_volume [299.5465]
_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  2  0.0000  0.0000  0.9802  1.0
  Sr  Sr1  2  0.0000  0.5000  0.7690  1.0
  Li  Li2  2  0.0000  0.0000  0.5337  1.0
  Mg  Mg3  2  0.0000  0.5000  0.2171  1.0
]