data_HgSbP4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.4
_cell_length_b   5.4
_cell_length_c   5.4
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HgSbP4
_chemical_formula_sum   'Hg1 Sb1 P4'
_cell_volume   111.59
_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
  Hg  Hg0  1  0.91  0.91  0.91  1.0
  Sb  Sb5  1  0.0  0.0  0.0  1.0
  P  P1  1  0.87  0.87  0.78  1.0
  P  P2  1  0.87  0.78  0.87  1.0
  P  P3  1  0.78  0.87  0.87  1.0
  P  P4  1  0.78  0.78  0.78  1.0

data_HgSbP4
_symmetry_space_group_name_H-M   R3m
_cell_length_a   5.4
_cell_length_b   5.4
_cell_length_c   13.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   160
_chemical_formula_structural   HgSbP4
_chemical_formula_sum   'Hg3 Sb3 P12'
_cell_volume   334.78
_cell_formula_units_Z   3
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  '-y, -x, z'
  5  '-x+y, y, z'
  6  'x, x-y, z'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
  10  '-y+1/3, -x+2/3, z+2/3'
  11  '-x+y+1/3, y+2/3, z+2/3'
  12  'x+1/3, x-y+2/3, z+2/3'
  13  'x+2/3, y+1/3, z+1/3'
  14  '-y+2/3, x-y+1/3, z+1/3'
  15  '-x+y+2/3, -x+1/3, z+1/3'
  16  '-y+2/3, -x+1/3, z+1/3'
  17  '-x+y+2/3, y+1/3, z+1/3'
  18  'x+2/3, x-y+1/3, z+1/3'
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  3  0.0  0.0  0.09  1.0
  Sb  Sb1  3  0.0  0.0  0.0  1.0
  P  P2  9  0.06  0.03  0.16  1.0
  P  P3  3  0.0  0.0  0.22  1.0

Hg Sb P P P P
HgSbP4 is Copper structured and crystallizes in the trigonal R3m space group. The structure is zero-dimensional and consists of three HgSbP4 clusters. Hg(1) is bonded in a distorted rectangular see-saw-like geometry to one Sb(1) and three equivalent P(1) atoms. The Hg(1)-Sb(1) bond length is 1.18 Å. All Hg(1)-P(1) bond lengths are 1.02 Å. Sb(1) is bonded in a single-bond geometry to one Hg(1) atom. There are two inequivalent P sites. In the first P site, P(2) is bonded in a 3-coordinate geometry to three equivalent P(1) atoms. All P(2)-P(1) bond lengths are 0.84 Å. In the second P site, P(1) is bonded in a 2-coordinate geometry to one Hg(1), one P(2), and two equivalent P(1) atoms. Both P(1)-P(1) bond lengths are 0.49 Å.