data_[Sr8Sn2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.4723]
_cell_length_b [6.5340]
_cell_length_c [9.6390]
_cell_angle_alpha [71.3809]
_cell_angle_beta [79.4211]
_cell_angle_gamma [67.8998]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Sr4SnN4]
_chemical_formula_sum '[Sr8 Sn2 N8]'
_cell_volume [356.9779]
_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
[
  Sr  Sr0  2  0.2294  0.4228  0.8239  1.0
  Sr  Sr1  2  0.2322  0.9567  0.6062  1.0
  Sr  Sr2  2  0.2584  0.7698  0.0187  1.0
  Sr  Sr3  2  0.2710  0.5116  0.4305  1.0
  Sn  Sn4  2  0.2849  0.1517  0.2433  1.0
  N  N5  2  0.0203  0.2999  0.3916  1.0
  N  N6  2  0.1077  0.1673  0.0738  1.0
  N  N7  2  0.4863  0.3701  0.1943  1.0
  N  N8  2  0.4935  0.8208  0.3671  1.0
]