data_[Ca6Sn2N1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Sn  1.9600  1.4500  0.8300
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [7.0190]
_cell_length_b [7.0190]
_cell_length_c [5.7215]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Ca6Sn2N]
_chemical_formula_sum '[Ca6 Sn2 N1]'
_cell_volume [244.1120]
_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
[
  Ca  Ca0  6  0.1646  0.3291  0.7684  1.0
  Sn  Sn1  2  0.3333  0.6667  0.2569  1.0
  N  N2  1  0.0000  0.0000  0.0000  1.0
]