data_[Y1Er1Co2Ge2]
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
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [4.0295]
_cell_length_b [4.0295]
_cell_length_c [6.6728]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [YEr(CoGe)2]
_chemical_formula_sum '[Y1 Er1 Co2 Ge2]'
_cell_volume [108.3456]
_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
[
  Y  Y0  1  0.5000  0.5000  0.3172  1
  Er  Er1  1  0.0000  0.0000  0.6896  1
  Co  Co2  2  0.0000  0.5000  0.9981  1
  Ge  Ge3  1  0.0000  0.0000  0.2035  1
  Ge  Ge4  1  0.5000  0.5000  0.7936  1
]