data_[Ce2Sm2Ho2Er4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
  Er  1.2400  1.7500  1.0300
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [5.8213]
_cell_length_b [7.7092]
_cell_length_c [7.1867]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [CeSmHoEr2]
_chemical_formula_sum '[Ce2 Sm2 Ho2 Er4]'
_cell_volume [322.5203]
_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
[
  Ce  Ce0  2  0.0000  0.0000  0.0000  1
  Sm  Sm1  2  0.2500  0.5000  0.8378  1
  Ho  Ho2  2  0.2500  0.0000  0.6130  1
  Er  Er3  4  0.2500  0.2921  0.3221  1
]