data_[Na2Sr10Ca4]
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
  Ca  1.0000  1.8000  1.1400
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [8.0599]
_cell_length_b [16.0785]
_cell_length_c [6.1335]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [NaSr5Ca2]
_chemical_formula_sum '[Na2 Sr10 Ca4]'
_cell_volume [794.8426]
_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  2  0.0000  0.5000  0.0000  1.0
  Sr  Sr1  4  0.0718  0.7413  0.0000  1.0
  Sr  Sr2  4  0.1925  0.3880  0.5000  1.0
  Sr  Sr3  2  0.0000  0.0000  0.0000  1.0
  Ca  Ca4  4  0.1848  0.1346  0.5000  1.0
]