data_KAlHg
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.79
_cell_length_b   6.79
_cell_length_c   6.79
_cell_angle_alpha   149.4
_cell_angle_beta   145.27
_cell_angle_gamma   46.95
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KAlHg
_chemical_formula_sum   'K1 Al1 Hg1'
_cell_volume   90.55
_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
  K  K2  1  0.0  0.0  0.15  1.0
  Al  Al0  1  0.0  0.0  0.57  1.0
  Hg  Hg1  1  0.0  0.0  0.74  1.0

data_KAlHg
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.58
_cell_length_b   4.05
_cell_length_c   6.79
_cell_angle_alpha   107.36
_cell_angle_beta   105.3
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KAlHg
_chemical_formula_sum   'K1 Al1 Hg1'
_cell_volume   90.55
_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
  K  K0  1  0.0  0.15  0.15  1.0
  Al  Al1  1  0.0  0.57  0.57  1.0
  Hg  Hg2  1  0.0  0.74  0.74  1.0

K Al Hg