data_Hg2P
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   15.62
_cell_length_b   15.62
_cell_length_c   3.07
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   168.59
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hg2P
_chemical_formula_sum   'Hg4 P2'
_cell_volume   147.97
_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
  Hg  Hg0  1  0.55  0.56  0.3  1.0
  Hg  Hg1  1  0.55  0.96  0.3  1.0
  Hg  Hg2  1  0.55  0.04  0.77  1.0
  Hg  Hg3  1  0.55  0.44  0.77  1.0
  P  P4  1  0.55  0.24  0.3  1.0
  P  P5  1  0.55  0.76  0.77  1.0

data_Hg2P
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.07
_cell_length_b   3.1
_cell_length_c   15.62
_cell_angle_alpha   95.7
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   Hg2P
_chemical_formula_sum   'Hg4 P2'
_cell_volume   147.97
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-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
  Hg  Hg0  2  0.27  0.04  0.54  1.0
  Hg  Hg1  2  0.27  0.44  0.94  1.0
  P  P2  2  0.27  0.76  0.26  1.0

Hg Hg Hg Hg P P
Hg Hg Hg Hg P P 0 3 o o - 0 3 o o o 0 5 o o o 0 5 o o - 1 2 o + - 1 2 o + o 1 5 o o o 1 5 o o - 2 4 o o + 2 4 o o o 3 4 o o + 3 4 o o o 4 4 + + o 4 4 o o + 5 5 + + o 5 5 o o + 