data_[Tm3Cr6Ga3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Cr  1.6600  1.4000  0.9400
  Ga  1.8100  1.3000  0.7600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.2404]
_cell_length_b [5.2404]
_cell_length_c [13.9117]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [TmCr2GaO6]
_chemical_formula_sum '[Tm3 Cr6 Ga3 O18]'
_cell_volume [330.8546]
_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  0.1996  1.0
  Cr  Cr1  3  0.0000  0.0000  0.4826  1.0
  Cr  Cr2  3  0.0000  0.0000  0.9860  1.0
  Ga  Ga3  3  0.0000  0.0000  0.6879  1.0
  O  O4  9  0.0070  0.3141  0.0780  1.0
  O  O5  9  0.0276  0.6269  0.2496  1.0
]