data_[Ba4Ca4I16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ca  1.0000  1.8000  1.1400
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [9.9750]
_cell_length_b [11.0547]
_cell_length_c [10.9867]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [BaCaI4]
_chemical_formula_sum '[Ba4 Ca4 I16]'
_cell_volume [1211.5177]
_cell_formula_units_Z [4]
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
[
  Ba  Ba0  4  0.0000  0.2500  0.7295  1
  Ca  Ca1  4  0.2500  0.2500  0.2500  1
  I  I2  8  0.0000  0.0671  0.2685  1
  I  I3  8  0.2301  0.2500  0.9638  1
]