data_Na2HgP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.75
_cell_length_b   5.75
_cell_length_c   5.19
_cell_angle_alpha   104.23
_cell_angle_beta   104.23
_cell_angle_gamma   33.68
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2HgP
_chemical_formula_sum   'Na2 Hg1 P1'
_cell_volume   92.06
_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  Na1  1  0.21  0.0  0.25  1.0
  Na  Na2  1  0.45  0.0  0.43  1.0
  Hg  Hg0  1  0.34  0.0  0.14  1.0
  P  P3  1  0.52  0.0  0.71  1.0

data_Na2HgP
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.33
_cell_length_b   5.19
_cell_length_c   5.75
_cell_angle_alpha   104.23
_cell_angle_beta   106.84
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2HgP
_chemical_formula_sum   'Na2 Hg1 P1'
_cell_volume   92.06
_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  0.0  0.25  0.21  1.0
  Na  Na1  1  0.0  0.43  0.45  1.0
  Hg  Hg2  1  0.0  0.14  0.34  1.0
  P  P3  1  0.0  0.71  0.52  1.0

Na Na Hg P
Na Na Hg P 0 2 o o o 0 1 o o o 1 2 o o o 1 3 o o o 