data_[Rb2Tm2Be2O6]
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
  Be  1.5700  1.0500  0.5900
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.7008]
_cell_length_b [3.3479]
_cell_length_c [7.8525]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.1191]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbTmBeO3]
_chemical_formula_sum '[Rb2 Tm2 Be2 O6]'
_cell_volume [190.0941]
_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  0.2317  0.7500  0.2038  1
  Tm  Tm1  2  0.1590  0.7500  0.6628  1
  Be  Be2  2  0.3946  0.2500  0.9348  1
  O  O3  2  0.1454  0.2500  0.4710  1
  O  O4  2  0.1787  0.2500  0.8613  1
  O  O5  2  0.4610  0.7500  0.8639  1
]