data_[Na4Sr4Ca10]
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 [C2/m]
_cell_length_a [14.0538]
_cell_length_b [6.0717]
_cell_length_c [9.4554]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.7514]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na2Sr2Ca5]
_chemical_formula_sum '[Na4 Sr4 Ca10]'
_cell_volume [783.7074]
_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  0.2116  0.0000  0.3099  1
  Sr  Sr1  4  0.1236  0.0000  0.6622  1
  Ca  Ca2  4  0.0683  0.5000  0.3383  1
  Ca  Ca3  4  0.1608  0.5000  0.9813  1
  Ca  Ca4  2  0.0000  0.0000  0.0000  1
]