data_[Pm1Tm1Mg1Zn1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [3.5966]
_cell_length_b [3.5966]
_cell_length_c [7.8672]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [PmTmMgZn]
_chemical_formula_sum '[Pm1 Tm1 Mg1 Zn1]'
_cell_volume [101.7673]
_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
[
  Pm  Pm0  1  0.0000  0.0000  0.8818  1
  Tm  Tm1  1  0.0000  0.0000  0.3282  1
  Mg  Mg2  1  0.5000  0.5000  0.5931  1
  Zn  Zn3  1  0.5000  0.5000  0.1248  1
]