data_[Tm2Ni2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Ni  1.9100  1.3500  0.7400
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [11.7140]
_cell_length_b [3.6210]
_cell_length_c [19.4527]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [TmNiCl4]
_chemical_formula_sum '[Tm2 Ni2 Cl8]'
_cell_volume [825.1188]
_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
[
  Tm  Tm0  2  0.1766  0.7500  0.4811  1
  Ni  Ni1  2  0.3758  0.2500  0.5197  1
  Cl  Cl2  2  0.0700  0.2500  0.5593  1
  Cl  Cl3  2  0.1637  0.2500  0.3855  1
  Cl  Cl4  2  0.3180  0.7500  0.5899  1
  Cl  Cl5  2  0.4033  0.7500  0.4406  1
]