data_[Tm4As4N8O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  As  2.1800  1.1500  0.6600
  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 [7.1976]
_cell_length_b [5.7020]
_cell_length_c [5.5618]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [TmAsN2O]
_chemical_formula_sum '[Tm4 As4 N8 O4]'
_cell_volume [228.2654]
_cell_formula_units_Z [4]
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
[
  Tm  Tm0  2  0.0000  0.1933  0.4283  1
  Tm  Tm1  2  0.5000  0.1810  0.5302  1
  As  As2  4  0.2526  0.3341  0.9716  1
  N  N3  4  0.2927  0.3922  0.3111  1
  N  N4  2  0.0000  0.3665  0.0638  1
  N  N5  2  0.5000  0.1944  0.9437  1
  O  O6  4  0.1995  0.1026  0.7345  1
]