data_[Ca1Nd5Mg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Nd  1.1400  1.8500  1.2765
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.9035]
_cell_length_b [3.9035]
_cell_length_c [20.4499]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [CaNd5Mg4]
_chemical_formula_sum '[Ca1 Nd5 Mg4]'
_cell_volume [311.6045]
_cell_formula_units_Z [1]
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
[
  Ca  Ca0  1  0.0000  0.0000  0.0000  1
  Nd  Nd1  2  0.5000  0.5000  0.1252  1
  Nd  Nd2  2  0.5000  0.5000  0.3101  1
  Nd  Nd3  1  0.5000  0.5000  0.5000  1
  Mg  Mg4  2  0.0000  0.0000  0.2165  1
  Mg  Mg5  2  0.0000  0.0000  0.4048  1
]