data_Na2RhSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.94
_cell_length_b   3.94
_cell_length_c   5.01
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2RhSe
_chemical_formula_sum   'Na2 Rh1 Se1'
_cell_volume   77.88
_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  Na0  1  0.97  0.97  0.25  1.0
  Na  Na1  1  0.97  0.97  0.76  1.0
  Rh  Rh2  1  0.0  0.0  0.51  1.0
  Se  Se3  1  0.0  0.0  0.0  1.0

data_Na2RhSe
_symmetry_space_group_name_H-M   Amm2
_cell_length_a   5.01
_cell_length_b   5.57
_cell_length_c   5.57
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   38
_chemical_formula_structural   Na2RhSe
_chemical_formula_sum   'Na4 Rh2 Se2'
_cell_volume   155.75
_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, y, z'
  4  'x, -y, z'
  5  'x, y+1/2, z+1/2'
  6  '-x, -y+1/2, z+1/2'
  7  '-x, y+1/2, z+1/2'
  8  'x, -y+1/2, z+1/2'
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  4  0.24  0.0  0.97  1.0
  Rh  Rh1  2  0.5  0.0  0.0  1.0
  Se  Se2  2  0.0  0.0  0.0  1.0

Na Na Rh Se