data_[K4Er4Co4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Er  1.2400  1.7500  1.0300
  Co  1.8800  1.3500  0.7683
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.4686]
_cell_length_b [11.8421]
_cell_length_c [8.9890]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [KErCoO3]
_chemical_formula_sum '[K4 Er4 Co4 O12]'
_cell_volume [369.2247]
_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
[
  K  K0  4  0.0000  0.2219  0.2500  1
  Er  Er1  4  0.0000  0.5000  0.0000  1
  Co  Co2  4  0.0000  0.0537  0.7500  1
  O  O3  8  0.0000  0.1152  0.5545  1
  O  O4  4  0.0000  0.4611  0.7500  1
]