data_[Y6Er2Co2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [7.4391]
_cell_length_b [6.3189]
_cell_length_c [6.0447]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Y3ErCo]
_chemical_formula_sum '[Y6 Er2 Co2]'
_cell_volume [284.1420]
_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
[
  Y  Y0  4  0.2494  0.6764  0.4254  1.0
  Y  Y1  2  0.0000  0.8449  0.9262  1.0
  Er  Er2  2  0.0000  0.1584  0.4248  1.0
  Co  Co3  2  0.0000  0.4973  0.1763  1.0
]