data_K2MgPt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.48
_cell_length_b   3.98
_cell_length_c   10.07
_cell_angle_alpha   90.0
_cell_angle_beta   98.96
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2MgPt
_chemical_formula_sum   'K2 Mg1 Pt1'
_cell_volume   137.59
_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
  K  K0  1  0.64  0.0  0.17  1.0
  K  K1  1  0.37  0.99  0.21  1.0
  Mg  Mg2  1  0.16  0.0  0.03  1.0
  Pt  Pt3  1  0.87  0.99  0.46  1.0

data_K2MgPt
_symmetry_space_group_name_H-M   Pm
_cell_length_a   3.48
_cell_length_b   3.98
_cell_length_c   10.07
_cell_angle_alpha   90.0
_cell_angle_beta   98.96
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   K2MgPt
_chemical_formula_sum   'K2 Mg1 Pt1'
_cell_volume   137.59
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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  0.37  0.0  0.21  1.0
  K  K1  1  0.64  0.0  0.17  1.0
  Mg  Mg2  1  0.16  0.0  0.03  1.0
  Pt  Pt3  1  0.87  0.0  0.46  1.0

K K Mg Pt
K K Mg Pt 0 1 o - o 0 2 o o o 0 3 o - o 1 2 o + o 1 3 o o o 1 3 - o o 3 3 + o o 