data_[Mn3Cr6Sn3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Cr  1.6600  1.4000  0.9400
  Sn  1.9600  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.2731]
_cell_length_b [5.2731]
_cell_length_c [14.0477]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [MnCr2SnO6]
_chemical_formula_sum '[Mn3 Cr6 Sn3 O18]'
_cell_volume [338.2685]
_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
[
  Mn  Mn0  3  0.0000  0.0000  0.8011  1.0
  Cr  Cr1  3  0.0000  0.0000  0.0151  1.0
  Cr  Cr2  3  0.0000  0.0000  0.5162  1.0
  Sn  Sn3  3  0.0000  0.0000  0.3112  1.0
  O  O4  9  0.0371  0.3520  0.5878  1.0
  O  O5  9  0.0573  0.6993  0.0847  1.0
]