data_[La2Ce1Sm1As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Ce  1.1200  1.8500  1.0800
  Sm  1.1700  1.8500  1.2290
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.4709]
_cell_length_b [4.3132]
_cell_length_c [7.4804]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4830]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [La2CeSmAs4]
_chemical_formula_sum '[La2 Ce1 Sm1 As4]'
_cell_volume [227.2421]
_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
[
  La  La0  1  0.0000  0.5000  0.5000  1.0
  La  La1  1  0.5000  0.0000  0.5000  1.0
  Ce  Ce2  1  0.5000  0.5000  0.0000  1.0
  Sm  Sm3  1  0.0000  0.0000  0.0000  1.0
  As  As4  2  0.2491  0.5000  0.2407  1.0
  As  As5  2  0.2549  0.0000  0.7605  1.0
]