data_[Na10Sr12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.3517]
_cell_length_b [13.7955]
_cell_length_c [7.6256]
_cell_angle_alpha [90.0000]
_cell_angle_beta [101.9556]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na5Sr6]
_chemical_formula_sum '[Na10 Sr12]'
_cell_volume [1065.3635]
_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
[
  Na  Na0  4  0.0000  0.2561  0.5000  1.0
  Na  Na1  4  0.0000  0.3827  0.0000  1.0
  Na  Na2  2  0.0000  0.5000  0.5000  1.0
  Sr  Sr3  8  0.1864  0.1534  0.1892  1.0
  Sr  Sr4  4  0.1738  0.0000  0.6930  1.0
]