data_[Pa4Cu2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pa  1.5000  1.8000  1.0400
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [5.2605]
_cell_length_b [5.0069]
_cell_length_c [5.2733]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.5781]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pa2Cu]
_chemical_formula_sum '[Pa4 Cu2]'
_cell_volume [128.2464]
_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  4  0.1442  0.0000  0.3356  1
  Cu  Cu1  2  0.0000  0.5000  0.0000  1
]