data_[Rb2Tm2Si2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Tm  1.2500  1.7500  1.0950
  Si  1.9000  1.1000  0.5400
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.5361]
_cell_length_b [5.7079]
_cell_length_c [7.6330]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.4607]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTmSiO4]
_chemical_formula_sum '[Rb2 Tm2 Si2 O8]'
_cell_volume [230.0829]
_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
[
  Rb  Rb0  2  0.3069  0.2500  0.0689  1.0
  Tm  Tm1  2  0.2109  0.2500  0.5385  1.0
  Si  Si2  2  0.2489  0.7500  0.3471  1.0
  O  O3  4  0.0493  0.5265  0.3280  1.0
  O  O4  2  0.4307  0.7500  0.2133  1.0
  O  O5  2  0.4457  0.7500  0.5568  1.0
]