data_[Pm8Zn2Ni4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Zn  1.6500  1.3500  0.8800
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [6.8457]
_cell_length_b [6.9774]
_cell_length_c [8.5464]
_cell_angle_alpha [108.0478]
_cell_angle_beta [107.2930]
_cell_angle_gamma [104.1068]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [Pm4ZnNi2]
_chemical_formula_sum '[Pm8 Zn2 Ni4]'
_cell_volume [344.3031]
_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
[
  Pm  Pm0  1  0.2903  0.1944  0.8171  1
  Pm  Pm1  1  0.3911  0.9714  0.2194  1
  Pm  Pm2  1  0.4127  0.5020  0.2822  1
  Pm  Pm3  1  0.4580  0.7251  0.8151  1
  Pm  Pm4  1  0.7271  0.1295  0.6891  1
  Pm  Pm5  1  0.8479  0.5874  0.1047  1
  Pm  Pm6  1  0.8904  0.6538  0.6779  1
  Pm  Pm7  1  0.9961  0.2237  0.3947  1
  Zn  Zn8  1  0.1954  0.8144  0.4849  1
  Zn  Zn9  1  0.9595  0.0644  0.0140  1
  Ni  Ni10  1  0.1528  0.5245  0.9375  1
  Ni  Ni11  1  0.4647  0.3331  0.5632  1
  Ni  Ni12  1  0.6463  0.1754  0.0724  1
  Ni  Ni13  1  0.8178  0.8508  0.4278  1
]