data_Na2PW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.84
_cell_length_b   5.23
_cell_length_c   4.89
_cell_angle_alpha   90.0
_cell_angle_beta   105.24
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2PW
_chemical_formula_sum   'Na2 P1 W1'
_cell_volume   70.09
_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
  Na  Na0  1  0.99  0.62  0.16  1.0
  Na  Na1  1  0.57  0.62  0.56  1.0
  P  P2  1  0.0  0.0  0.0  1.0
  W  W3  1  0.36  0.0  0.36  1.0

data_Na2PW
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.84
_cell_length_b   4.89
_cell_length_c   5.23
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   105.24
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2PW
_chemical_formula_sum   'Na2 P1 W1'
_cell_volume   70.09
_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
  Na  Na0  1  0.01  0.84  0.38  1.0
  Na  Na1  1  0.43  0.44  0.38  1.0
  P  P2  1  0.0  0.0  0.0  1.0
  W  W3  1  0.64  0.64  0.0  1.0

Na Na P W