data_[Y2Er8Ru4]
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
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.7010]
_cell_length_b [6.2812]
_cell_length_c [7.8791]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.4603]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Y(Er2Ru)2]
_chemical_formula_sum '[Y2 Er8 Ru4]'
_cell_volume [352.2181]
_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
[
  Y  Y0  2  0.0227  0.2500  0.1633  1
  Er  Er1  4  0.2424  0.5010  0.5844  1
  Er  Er2  2  0.3261  0.7500  0.2504  1
  Er  Er3  2  0.3796  0.2500  0.0204  1
  Ru  Ru4  2  0.0235  0.2500  0.7407  1
  Ru  Ru5  2  0.4163  0.2500  0.3759  1
]