data_Mn2HgCl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.93
_cell_length_b   4.93
_cell_length_c   3.1
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn2HgCl
_chemical_formula_sum   'Mn2 Hg1 Cl1'
_cell_volume   75.25
_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
  Mn  Mn2  1  0.46  0.0  0.55  1.0
  Mn  Mn3  1  0.0  0.46  0.55  1.0
  Hg  Hg1  1  0.46  0.46  0.0  1.0
  Cl  Cl0  1  0.0  0.0  0.0  1.0

data_Mn2HgCl
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.97
_cell_length_b   6.97
_cell_length_c   3.1
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Mn2HgCl
_chemical_formula_sum   'Mn4 Hg2 Cl2'
_cell_volume   150.49
_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
  Mn  Mn0  4  0.23  0.23  0.55  1.0
  Hg  Hg1  2  0.46  0.0  0.0  1.0
  Cl  Cl2  2  0.0  0.0  0.0  1.0

Mn Mn Hg Cl
Mn2HgCl crystallizes in the monoclinic Cm space group. Mn(1) is bonded in a 8-coordinate geometry to four equivalent Hg(1) and four equivalent Cl(1) atoms. There are a spread of Mn(1)-Hg(1) bond distances ranging from 2.67-3.15 Å. There are a spread of Mn(1)-Cl(1) bond distances ranging from 2.67-3.15 Å. Hg(1) is bonded in a 8-coordinate geometry to eight equivalent Mn(1) atoms. Cl(1) is bonded in a distorted body-centered cubic geometry to eight equivalent Mn(1) atoms.