data_FeHgP
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.27
_cell_length_b   6.27
_cell_length_c   6.27
_cell_angle_alpha   153.68
_cell_angle_beta   153.68
_cell_angle_gamma   37.56
_symmetry_Int_Tables_number   1
_chemical_formula_structural   FeHgP
_chemical_formula_sum   'Fe1 Hg1 P1'
_cell_volume   48.39
_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
  Fe  Fe0  1  0.0  0.0  0.33  1.0
  Hg  Hg1  1  0.0  0.0  0.2  1.0
  P  P2  1  0.0  0.0  0.34  1.0

data_FeHgP
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.04
_cell_length_b   4.04
_cell_length_c   6.27
_cell_angle_alpha   90.0
_cell_angle_beta   108.78
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   FeHgP
_chemical_formula_sum   'Fe2 Hg2 P2'
_cell_volume   96.77
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Fe  Fe0  2  0.33  0.0  0.33  1.0
  Hg  Hg1  2  0.2  0.0  0.2  1.0
  P  P2  2  0.34  0.0  0.34  1.0

Fe Hg P
Fe Hg P 0 2 o o o 0 1 o o o 1 2 o o o 