data_[Sm18Tc6O36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Tc  1.9000  1.3500  0.7417
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [10.0631]
_cell_length_b [10.0631]
_cell_length_c [9.7910]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Sm3TcO6]
_chemical_formula_sum '[Sm18 Tc6 O36]'
_cell_volume [858.6497]
_cell_formula_units_Z [6]
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
[
  Sm  Sm0  18  0.0480  0.2692  0.6661  1
  Tc  Tc1  3  0.0000  0.0000  0.0000  1
  Tc  Tc2  3  0.0000  0.0000  0.5000  1
  O  O3  18  0.0325  0.2066  0.4041  1
  O  O4  18  0.0428  0.1974  0.8951  1
]