data_KMg2Cl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.45
_cell_length_b   6.45
_cell_length_c   6.45
_cell_angle_alpha   146.33
_cell_angle_beta   115.57
_cell_angle_gamma   74.7
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KMg2Cl
_chemical_formula_sum   'K1 Mg2 Cl1'
_cell_volume   131.42
_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  K1  1  0.87  0.0  0.98  1.0
  Mg  Mg2  1  0.0  0.0  0.96  1.0
  Mg  Mg3  1  0.0  0.44  0.11  1.0
  Cl  Cl0  1  0.0  0.0  0.44  1.0

data_KMg2Cl
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.73
_cell_length_b   6.45
_cell_length_c   6.45
_cell_angle_alpha   64.43
_cell_angle_beta   73.17
_cell_angle_gamma   73.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KMg2Cl
_chemical_formula_sum   'K1 Mg2 Cl1'
_cell_volume   131.42
_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  0.13  0.98  1.0
  Mg  Mg1  1  0.0  -0.0  0.96  1.0
  Mg  Mg2  1  0.44  0.0  0.67  1.0
  Cl  Cl3  1  0.0  0.0  0.44  1.0

K Mg Mg Cl