data_[Rb2Mg4Sb2H4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Sb  2.0500  1.4500  0.8300
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.0895]
_cell_length_b [5.8526]
_cell_length_c [8.1933]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.9806]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbMg2SbH2]
_chemical_formula_sum '[Rb2 Mg4 Sb2 H4]'
_cell_volume [315.2472]
_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  0.2548  0.2500  0.5347  1
  Mg  Mg1  4  0.1915  0.5021  0.9445  1
  Sb  Sb2  2  0.1823  0.7500  0.2430  1
  H  H3  2  0.2039  0.7500  0.7964  1
  H  H4  2  0.3698  0.2500  0.9587  1
]