data_Na2CoSb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.31
_cell_length_b   3.31
_cell_length_c   8.54
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2CoSb
_chemical_formula_sum   'Na2 Co1 Sb1'
_cell_volume   93.74
_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
  Na  Na1  1  0.66  0.66  0.04  1.0
  Na  Na2  1  0.0  0.0  0.53  1.0
  Co  Co0  1  0.0  0.0  0.91  1.0
  Sb  Sb3  1  0.66  0.66  0.87  1.0

data_Na2CoSb
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.69
_cell_length_b   4.69
_cell_length_c   8.54
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Na2CoSb
_chemical_formula_sum   'Na4 Co2 Sb2'
_cell_volume   187.48
_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
  Na  Na0  2  0.0  0.0  0.53  1.0
  Na  Na1  2  0.16  0.5  0.04  1.0
  Co  Co2  2  0.0  0.0  0.91  1.0
  Sb  Sb3  2  0.16  0.5  0.87  1.0

Na Na Co Sb
Na Na Co Sb 0 3 o o - 0 2 + + - 1 3 - - o 1 3 - o o 1 3 o - o 1 1 + o o 1 1 o + o 1 2 o o o 2 3 - - o 