data_[Tm6Ni3Sn3O18]
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
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.5117]
_cell_length_b [5.5117]
_cell_length_c [14.4408]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Tm2NiSnO6]
_chemical_formula_sum '[Tm6 Ni3 Sn3 O18]'
_cell_volume [379.9215]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0281  1.0
  Tm  Tm1  3  0.0000  0.0000  0.5271  1.0
  Ni  Ni2  3  0.0000  0.0000  0.8129  1.0
  Sn  Sn3  3  0.0000  0.0000  0.3142  1.0
  O  O4  9  0.0205  0.3859  0.5804  1.0
  O  O5  9  0.0265  0.7211  0.4128  1.0
]