data_[Pm6Np2Sn12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Np  1.3600  1.7500  1.0000
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.5278]
_cell_length_b [7.3701]
_cell_length_c [10.0813]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.5502]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pm3NpSn6]
_chemical_formula_sum '[Pm6 Np2 Sn12]'
_cell_volume [576.3381]
_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  4  0.2498  0.0316  0.5006  1
  Pm  Pm1  2  0.5000  0.0000  0.0000  1
  Np  Np2  2  0.0000  0.0000  0.0000  1
  Sn  Sn3  4  0.1000  0.1483  0.7442  1
  Sn  Sn4  4  0.2485  0.7497  0.2480  1
  Sn  Sn5  4  0.3948  0.1422  0.2548  1
]