data_[Ca2Ce6Sm4As12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  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 [C2/m]
_cell_length_a [7.3304]
_cell_length_b [12.6913]
_cell_length_c [7.2938]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5635]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CaCe3(SmAs3)2]
_chemical_formula_sum '[Ca2 Ce6 Sm4 As12]'
_cell_volume [639.3899]
_cell_formula_units_Z [2]
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
[
  Ca  Ca0  2  0.0000  0.0000  0.0000  1
  Ce  Ce1  4  0.0000  0.1657  0.5000  1
  Ce  Ce2  2  0.0000  0.5000  0.5000  1
  Sm  Sm3  4  0.0000  0.3329  0.0000  1
  As  As4  8  0.2464  0.3315  0.7448  1
  As  As5  4  0.2479  0.5000  0.2549  1
]