data_K2Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.0
_cell_length_b   7.0
_cell_length_c   10.2
_cell_angle_alpha   110.96
_cell_angle_beta   110.96
_cell_angle_gamma   33.99
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2Ge
_chemical_formula_sum   'K4 Ge2'
_cell_volume   259.29
_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
  K  K2  1  0.19  0.0  0.83  1.0
  K  K3  1  0.89  0.0  0.2  1.0
  K  K4  1  0.39  0.0  0.63  1.0
  K  K5  1  0.69  0.0  0.26  1.0
  Ge  Ge0  1  0.38  0.0  0.33  1.0
  Ge  Ge1  1  0.2  0.0  0.13  1.0

data_K2Ge
_symmetry_space_group_name_H-M   P-1
_cell_length_a   4.09
_cell_length_b   7.0
_cell_length_c   10.1
_cell_angle_alpha   70.6
_cell_angle_beta   78.31
_cell_angle_gamma   73.01
_symmetry_Int_Tables_number   2
_chemical_formula_structural   K2Ge
_chemical_formula_sum   'K4 Ge2'
_cell_volume   259.29
_cell_formula_units_Z   2
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  2  0.0  0.3  0.6  1.0
  K  K1  2  0.0  0.37  0.03  1.0
  Ge  Ge2  2  0.0  0.01  0.9  1.0

K K K K Ge Ge
K K K K Ge Ge 0 2 o o o 0 5 o o + 1 3 o o o 2 4 o o o 4 5 o o o 