data_[Er4Zr2U4Ru10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Zr  1.3300  1.5500  0.8600
  U  1.3800  1.7500  0.9913
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [10.4825]
_cell_length_b [10.4825]
_cell_length_c [3.5270]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Er2ZrU2Ru5]
_chemical_formula_sum '[Er4 Zr2 U4 Ru10]'
_cell_volume [387.5636]
_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
[
  Er  Er0  4  0.1730  0.3270  0.0000  1
  Zr  Zr1  2  0.0000  0.0000  0.0000  1
  U  U2  4  0.1381  0.6381  0.0000  1
  Ru  Ru3  8  0.0503  0.7943  0.5000  1
  Ru  Ru4  2  0.0000  0.5000  0.5000  1
]