data_[Na1Tm1N2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tm  1.2500  1.7500  1.0950
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.0992]
_cell_length_b [5.0992]
_cell_length_c [7.1126]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [NaTm(NO4)2]
_chemical_formula_sum '[Na1 Tm1 N2 O8]'
_cell_volume [160.1635]
_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
[
  Na  Na0  1  0.0000  0.0000  0.5000  1
  Tm  Tm1  1  0.0000  0.0000  0.0000  1
  N  N2  2  0.3333  0.6667  0.7412  1
  O  O3  6  0.1869  0.8131  0.7993  1
  O  O4  2  0.3333  0.6667  0.5475  1
]