data_[Sr6Fe4Cu4Se4O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Fe  1.8300  1.4000  0.8525
  Cu  1.9000  1.3500  0.8200
  Se  2.5500  1.1500  1.0133
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [4.0088]
_cell_length_b [4.0088]
_cell_length_c [27.1535]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Sr3Fe2Cu2Se2O5]
_chemical_formula_sum '[Sr6 Fe4 Cu4 Se4 O10]'
_cell_volume [436.3724]
_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
[
  Sr  Sr0  4  0.0000  0.0000  0.3626  1.0
  Sr  Sr1  2  0.0000  0.0000  0.5000  1.0
  Fe  Fe2  4  0.0000  0.0000  0.0701  1.0
  Cu  Cu3  4  0.0000  0.5000  0.2500  1.0
  Se  Se4  4  0.0000  0.0000  0.1937  1.0
  O  O5  8  0.0000  0.5000  0.0795  1.0
  O  O6  2  0.0000  0.0000  0.0000  1.0
]