data_[Ho1Er1Ag2Sb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [4.3214]
_cell_length_b [4.3214]
_cell_length_c [10.3948]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [HoEr(AgSb2)2]
_chemical_formula_sum '[Ho1 Er1 Ag2 Sb4]'
_cell_volume [194.1181]
_cell_formula_units_Z [1]
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
[
  Ho  Ho0  1  0.5000  0.5000  0.2355  1
  Er  Er1  1  0.0000  0.0000  0.7646  1
  Ag  Ag2  2  0.0000  0.5000  0.5002  1
  Sb  Sb3  2  0.0000  0.5000  0.9995  1
  Sb  Sb4  1  0.0000  0.0000  0.3135  1
  Sb  Sb5  1  0.5000  0.5000  0.6869  1
]