data_[Tm1As1N2O1]
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 [Pmm2]
_cell_length_a [3.4016]
_cell_length_b [3.6325]
_cell_length_c [4.7726]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [25]
_chemical_formula_structural [TmAsN2O]
_chemical_formula_sum '[Tm1 As1 N2 O1]'
_cell_volume [58.9718]
_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
[
  Tm  Tm0  1  0.0000  0.5000  0.1082  1
  As  As1  1  0.5000  0.0000  0.5728  1
  N  N2  1  0.0000  0.0000  0.4064  1
  N  N3  1  0.5000  0.0000  0.9414  1
  O  O4  1  0.5000  0.5000  0.4317  1
]