data_K2MgZn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.07
_cell_length_b   7.07
_cell_length_c   7.07
_cell_angle_alpha   145.06
_cell_angle_beta   128.31
_cell_angle_gamma   63.91
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2MgZn
_chemical_formula_sum   'K2 Mg1 Zn1'
_cell_volume   156.63
_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  0.0  0.58  1.0
  K  K1  1  0.12  0.0  0.22  1.0
  Mg  Mg2  1  0.0  0.0  0.7  1.0
  Zn  Zn3  1  0.0  0.08  0.47  1.0

data_K2MgZn
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.24
_cell_length_b   6.16
_cell_length_c   7.07
_cell_angle_alpha   115.84
_cell_angle_beta   107.47
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2MgZn
_chemical_formula_sum   'K2 Mg1 Zn1'
_cell_volume   156.63
_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  0.42  0.42  0.42  1.0
  K  K1  1  0.9  0.78  0.9  1.0
  Mg  Mg2  1  0.3  0.3  0.3  1.0
  Zn  Zn3  1  0.53  0.61  0.61  1.0

K K Mg Zn