data_[Pr2Ho2Tm2Mg2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Ho  1.2300  1.7500  1.0410
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [3.4998]
_cell_length_b [3.4533]
_cell_length_c [20.3985]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [PrHoTmMg]
_chemical_formula_sum '[Pr2 Ho2 Tm2 Mg2]'
_cell_volume [246.5322]
_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
[
  Pr  Pr0  2  0.5000  0.0000  0.2819  1
  Ho  Ho1  2  0.0000  0.0000  0.4347  1
  Tm  Tm2  2  0.5000  0.0000  0.0535  1
  Mg  Mg3  2  0.0000  0.0000  0.6637  1
]