data_[Sm2V2N4O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  V  1.6300  1.3500  0.7775
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.6115]
_cell_length_b [5.8768]
_cell_length_c [5.6682]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [SmVN2O]
_chemical_formula_sum '[Sm2 V2 N4 O2]'
_cell_volume [120.3039]
_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
[
  Sm  Sm0  2  0.5000  0.1693  0.6989  1
  V  V1  2  0.0000  0.3189  0.2227  1
  N  N2  2  0.0000  0.4291  0.5671  1
  N  N3  2  0.5000  0.2359  0.2811  1
  O  O4  2  0.0000  0.0841  0.9807  1
]