data_[Sr2Cr2Cu2Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Cr  1.6600  1.4000  0.9400
  Cu  1.9000  1.3500  0.8200
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.8393]
_cell_length_b [3.9343]
_cell_length_c [8.8975]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.8599]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SrCrCuSe3]
_chemical_formula_sum '[Sr2 Cr2 Cu2 Se6]'
_cell_volume [263.9727]
_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  2  0.2043  0.2500  0.2593  1.0
  Cr  Cr1  2  0.3290  0.7500  0.8466  1.0
  Cu  Cu2  2  0.0778  0.2500  0.5877  1.0
  Se  Se3  2  0.1186  0.2500  0.8714  1.0
  Se  Se4  2  0.2541  0.7500  0.5442  1.0
  Se  Se5  2  0.4531  0.7500  0.1420  1.0
]