data_MnNi2Pb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.62
_cell_length_b   4.62
_cell_length_c   4.62
_cell_angle_alpha   130.29
_cell_angle_beta   130.29
_cell_angle_gamma   72.95
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnNi2Pb
_chemical_formula_sum   'Mn1 Ni2 Pb1'
_cell_volume   55.87
_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
  Mn  Mn0  1  0.0  0.0  0.0  1.0
  Ni  Ni1  1  0.94  0.0  0.86  1.0
  Ni  Ni2  1  0.0  0.0  0.71  1.0
  Pb  Pb3  1  0.0  0.94  0.86  1.0

data_MnNi2Pb
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.88
_cell_length_b   3.88
_cell_length_c   4.62
_cell_angle_alpha   114.86
_cell_angle_beta   114.86
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnNi2Pb
_chemical_formula_sum   'Mn1 Ni2 Pb1'
_cell_volume   55.87
_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
  Mn  Mn0  1  0.0  0.0  0.0  1.0
  Ni  Ni1  1  0.14  0.0  0.08  1.0
  Ni  Ni2  1  0.29  0.0  0.29  1.0
  Pb  Pb3  1  0.08  0.94  0.08  1.0

Mn Ni Ni Pb
Mn Ni Ni Pb 0 1 - o - 0 3 o - - 1 3 + - o 1 2 + o o 2 3 o - o 