data_[Sr6Mg4Sb8]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.3278]
_cell_length_b [4.7712]
_cell_length_c [7.6452]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.2014]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sr3(MgSb2)2]
_chemical_formula_sum '[Sr6 Mg4 Sb8]'
_cell_volume [585.2083]
_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  0.1389  0.0000  0.5716  1.0
  Sr  Sr1  2  0.0000  0.0000  0.0000  1.0
  Mg  Mg2  4  0.1757  0.5000  0.9793  1.0
  Sb  Sb3  4  0.0042  0.5000  0.6918  1.0
  Sb  Sb4  4  0.2088  0.0000  0.2121  1.0
]