data_KVPb2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.04
_cell_length_b   5.04
_cell_length_c   8.52
_cell_angle_alpha   116.51
_cell_angle_beta   116.51
_cell_angle_gamma   40.88
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KVPb2
_chemical_formula_sum   'K1 V1 Pb2'
_cell_volume   124.49
_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  0.88  0.0  0.56  1.0
  V  V3  1  0.06  0.0  0.91  1.0
  Pb  Pb1  1  0.39  0.0  0.59  1.0
  Pb  Pb2  1  0.74  0.0  0.18  1.0

data_KVPb2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.52
_cell_length_b   5.04
_cell_length_c   7.72
_cell_angle_alpha   80.79
_cell_angle_beta   76.83
_cell_angle_gamma   69.56
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KVPb2
_chemical_formula_sum   'K1 V1 Pb2'
_cell_volume   124.49
_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  0.32  0.56  1.0
  V  V1  1  0.0  0.16  0.91  1.0
  Pb  Pb2  1  0.0  0.56  0.18  1.0
  Pb  Pb3  1  0.0  0.8  0.59  1.0

K V Pb Pb
K V Pb Pb 0 3 o o o 0 2 o o o 0 2 + o o 0 1 + o o 1 2 - o o 1 1 + - o 1 3 - o + 1 3 o o + 1 3 - + + 2 3 - o o 3 3 + - o 