data_[Rb2H6Se2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  H  2.2000  0.2500  0.0000
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.8139]
_cell_length_b [8.9661]
_cell_length_c [5.2664]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [RbH3Se]
_chemical_formula_sum '[Rb2 H6 Se2]'
_cell_volume [227.3067]
_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  0.0000  0.1906  0.7863  1.0
  H  H1  2  0.5000  0.0378  0.4368  1.0
  H  H2  2  0.5000  0.4142  0.6950  1.0
  H  H3  2  0.5000  0.4758  0.7929  1.0
  Se  Se4  2  0.5000  0.1811  0.2890  1.0
]