data_[Y8Co4Se4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Co  1.8800  1.3500  0.7683
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [4.0740]
_cell_length_b [22.3274]
_cell_length_c [3.9831]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Y2CoSe]
_chemical_formula_sum '[Y8 Co4 Se4]'
_cell_volume [362.3133]
_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
[
  Y  Y0  4  0.0000  0.0643  0.2500  1
  Y  Y1  4  0.0000  0.3253  0.2500  1
  Co  Co2  4  0.0000  0.4744  0.2500  1
  Se  Se3  4  0.0000  0.1939  0.2500  1
]