data_[Rb2Sm4Cr4N12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sm  1.1700  1.8500  1.2290
  Cr  1.6600  1.4000  0.9400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.1500]
_cell_length_b [6.6676]
_cell_length_c [6.8740]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.1229]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbSm2(CrN3)2]
_chemical_formula_sum '[Rb2 Sm4 Cr4 N12]'
_cell_volume [432.8061]
_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
[
  Rb  Rb0  2  0.0000  0.5000  0.5000  1
  Sm  Sm1  4  0.1810  0.0000  0.7996  1
  Cr  Cr2  4  0.1175  0.0000  0.1848  1
  N  N3  8  0.1862  0.2068  0.1355  1
  N  N4  4  0.0794  0.0000  0.3951  1
]