data_[Ba4Sr10Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Sr  0.9500  2.0000  1.3200
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [10.3915]
_cell_length_b [18.5666]
_cell_length_c [4.3616]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Ba2Sr5Mg]
_chemical_formula_sum '[Ba4 Sr10 Mg2]'
_cell_volume [841.5049]
_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
[
  Ba  Ba0  4  0.2085  0.6154  0.5000  1
  Sr  Sr1  4  0.0037  0.7726  0.0000  1
  Sr  Sr2  4  0.2024  0.3856  0.5000  1
  Sr  Sr3  2  0.0000  0.0000  0.0000  1
  Mg  Mg4  2  0.0000  0.5000  0.0000  1
]