data_[Na2Sr13]
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 [P-1]
_cell_length_a [7.7998]
_cell_length_b [10.6007]
_cell_length_c [10.6264]
_cell_angle_alpha [66.0347]
_cell_angle_beta [82.2138]
_cell_angle_gamma [82.0079]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Na2Sr13]
_chemical_formula_sum '[Na2 Sr13]'
_cell_volume [792.0492]
_cell_formula_units_Z [1]
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  2  0.1312  0.7902  0.4627  1.0
  Sr  Sr1  2  0.0618  0.4070  0.7193  1.0
  Sr  Sr2  2  0.2005  0.1868  0.2147  1.0
  Sr  Sr3  2  0.2603  0.5931  0.9455  1.0
  Sr  Sr4  2  0.3062  0.9933  0.6586  1.0
  Sr  Sr5  2  0.4280  0.3880  0.4012  1.0
  Sr  Sr6  2  0.4687  0.8004  0.1423  1.0
  Sr  Sr7  1  0.0000  0.0000  0.0000  1.0
]