data_Sr2VPb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.92
_cell_length_b   5.92
_cell_length_c   5.92
_cell_angle_alpha   127.66
_cell_angle_beta   127.66
_cell_angle_gamma   77.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sr2VPb
_chemical_formula_sum   'Sr2 V1 Pb1'
_cell_volume   126.46
_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
  Sr  Sr1  1  0.0  0.61  0.32  1.0
  Sr  Sr2  1  0.61  0.0  0.32  1.0
  V  V3  1  0.0  0.0  0.0  1.0
  Pb  Pb0  1  0.0  0.0  0.63  1.0

data_Sr2VPb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   7.39
_cell_length_b   7.39
_cell_length_c   5.92
_cell_angle_alpha   90.0
_cell_angle_beta   128.59
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Sr2VPb
_chemical_formula_sum   'Sr4 V2 Pb2'
_cell_volume   252.93
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Sr  Sr0  4  0.49  0.19  0.3  1.0
  V  V1  2  0.0  0.0  0.0  1.0
  Pb  Pb2  2  0.37  0.0  0.37  1.0

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