data_[Er4Tm12Co4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Co  1.8800  1.3500  0.7683
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [7.1541]
_cell_length_b [10.0023]
_cell_length_c [7.7183]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [ErTm3Co]
_chemical_formula_sum '[Er4 Tm12 Co4]'
_cell_volume [552.2990]
_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
[
  Er  Er0  4  0.0000  0.2601  0.2500  1
  Tm  Tm1  8  0.2447  0.0000  0.0000  1
  Tm  Tm2  4  0.0000  0.2598  0.7500  1
  Co  Co3  4  0.0000  0.0002  0.7500  1
]