data_Hg2W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.71
_cell_length_b   5.71
_cell_length_c   5.71
_cell_angle_alpha   102.15
_cell_angle_beta   102.15
_cell_angle_gamma   125.37
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hg2W
_chemical_formula_sum   'Hg4 W2'
_cell_volume   134.9
_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  0.24  0.35  0.0  1.0
  Hg  Hg1  1  0.24  0.65  0.62  1.0
  Hg  Hg2  1  0.35  0.93  0.0  1.0
  Hg  Hg3  1  0.35  0.24  0.62  1.0
  W  W4  1  0.0  0.0  0.31  1.0
  W  W5  1  0.0  0.0  0.93  1.0

data_Hg2W
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.24
_cell_length_b   5.71
_cell_length_c   5.71
_cell_angle_alpha   77.85
_cell_angle_beta   62.69
_cell_angle_gamma   62.69
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Hg2W
_chemical_formula_sum   'Hg4 W2'
_cell_volume   134.9
_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  0.03  0.62  0.59  1.0
  Hg  Hg1  1  0.35  0.0  0.89  1.0
  Hg  Hg2  1  0.62  0.62  0.11  1.0
  Hg  Hg3  1  0.93  -0.0  0.41  1.0
  W  W4  1  0.07  0.93  0.0  1.0
  W  W5  1  0.69  0.31  0.0  1.0

Hg Hg Hg Hg W W