data_[K4Tb2Tc4N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tb  1.1000  1.7500  0.9815
  Tc  1.9000  1.3500  0.7417
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.9028]
_cell_length_b [3.4911]
_cell_length_c [9.2650]
_cell_angle_alpha [90.0000]
_cell_angle_beta [131.3476]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Tb(TcN2)2]
_chemical_formula_sum '[K4 Tb2 Tc4 N8]'
_cell_volume [313.2986]
_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
[
  K  K0  4  0.1561  0.0000  0.7556  1
  Tb  Tb1  2  0.0000  0.0000  0.0000  1
  Tc  Tc2  4  0.1500  0.5000  0.3715  1
  N  N3  4  0.0346  0.5000  0.8559  1
  N  N4  4  0.2112  0.0000  0.3285  1
]