data_[Pa2Si4Tc4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pa  1.5000  1.8000  1.0400
  Si  1.9000  1.1000  0.5400
  Tc  1.9000  1.3500  0.7417
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.4324]
_cell_length_b [4.2341]
_cell_length_c [9.0303]
_cell_angle_alpha [90.0000]
_cell_angle_beta [91.0784]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pa(SiTc)2]
_chemical_formula_sum '[Pa2 Si4 Tc4]'
_cell_volume [169.4439]
_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
[
  Pa  Pa0  2  0.2430  0.7500  0.2669  1
  Tc  Tc1  2  0.1485  0.7500  0.8954  1
  Tc  Tc2  2  0.2488  0.2500  0.4926  1
  Si  Si3  2  0.2564  0.7500  0.6327  1
  Si  Si4  2  0.3391  0.2500  0.9959  1
]