data_[Sr4Er2Cd20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Er  1.2400  1.7500  1.0300
  Cd  1.6900  1.5500  1.0900
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [9.2682]
_cell_length_b [13.6862]
_cell_length_c [6.3874]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [Sr2ErCd10]
_chemical_formula_sum '[Sr4 Er2 Cd20]'
_cell_volume [810.2250]
_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
[
  Sr  Sr0  4  0.2016  0.9075  0.5000  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Cd  Cd2  8  0.1493  0.1695  0.2790  1
  Cd  Cd3  4  0.0960  0.7740  0.0000  1
  Cd  Cd4  4  0.1373  0.3602  0.0000  1
  Cd  Cd5  4  0.1522  0.5618  0.0000  1
]