data_[Ca1Fe11]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Fe  1.8300  1.4000  0.8525
]
_symmetry_space_group_name_H-M [P6/mmm]
_cell_length_a [8.1292]
_cell_length_b [8.1292]
_cell_length_c [2.4936]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [191]
_chemical_formula_structural [CaFe11]
_chemical_formula_sum '[Ca1 Fe11]'
_cell_volume [142.7112]
_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
[
  Ca  Ca0  1  0.0000  0.0000  0.0000  1
  Fe  Fe1  6  0.1852  0.3705  0.5000  1
  Fe  Fe2  3  0.0000  0.5000  0.0000  1
  Fe  Fe3  2  0.3333  0.6667  0.0000  1
]