data_[Ce2Er2Co4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Er  1.2400  1.7500  1.0300
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.8945]
_cell_length_b [5.6745]
_cell_length_c [6.9514]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [CeErCo2]
_chemical_formula_sum '[Ce2 Er2 Co4]'
_cell_volume [153.6198]
_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
[
  Ce  Ce0  2  0.5000  0.3903  0.3108  1.0
  Er  Er1  2  0.0000  0.1103  0.6774  1.0
  Co  Co2  2  0.0000  0.3979  0.0433  1.0
  Co  Co3  2  0.5000  0.1404  0.9685  1.0
]