data_[Cs1Sm1P1O1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Sm  1.1700  1.8500  1.2290
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.2424]
_cell_length_b [4.2424]
_cell_length_c [5.3692]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [CsSmPO]
_chemical_formula_sum '[Cs1 Sm1 P1 O1]'
_cell_volume [96.6333]
_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
[
  Cs  Cs0  1  0.0000  0.0000  0.0000  1
  Sm  Sm1  1  0.5000  0.5000  0.5000  1
  P  P2  1  0.0000  0.0000  0.5000  1
  O  O3  1  0.5000  0.5000  0.0000  1
]