data_[Sm4Si1As1Cl2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
  As  2.1800  1.1500  0.6600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.2181]
_cell_length_b [4.1892]
_cell_length_c [7.2851]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5512]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Sm4SiAsCl2]
_chemical_formula_sum '[Sm4 Si1 As1 Cl2]'
_cell_volume [207.5881]
_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
[
  Sm  Sm0  2  0.2226  0.5000  0.2330  1.0
  Sm  Sm1  2  0.2229  0.0000  0.7496  1.0
  Si  Si2  1  0.0000  0.0000  0.0000  1.0
  As  As3  1  0.0000  0.5000  0.5000  1.0
  Cl  Cl4  1  0.5000  0.0000  0.5000  1.0
  Cl  Cl5  1  0.5000  0.5000  0.0000  1.0
]