data_K2CuW
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.5
_cell_length_b   6.5
_cell_length_c   2.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   125.79
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2CuW
_chemical_formula_sum   'K2 Cu1 W1'
_cell_volume   93.34
_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  0.48  0.89  0.36  1.0
  K  K2  1  0.48  0.11  0.36  1.0
  Cu  Cu0  1  0.0  0.0  0.0  1.0
  W  W3  1  0.96  0.0  0.0  1.0

data_K2CuW
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.73
_cell_length_b   5.92
_cell_length_c   6.5
_cell_angle_alpha   117.11
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2CuW
_chemical_formula_sum   'K2 Cu1 W1'
_cell_volume   93.34
_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  0.36  0.11  0.59  1.0
  K  K1  1  0.36  0.89  0.37  1.0
  Cu  Cu2  1  0.0  0.0  0.0  1.0
  W  W3  1  -0.0  0.0  0.96  1.0

K K Cu W
K K Cu W 0 1 o + o 2 3 - o o 