data_[Rb2Sr1Mg1H6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Sr  0.9500  2.0000  1.3200
  Mg  1.3100  1.5000  0.8600
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [4.5659]
_cell_length_b [4.5659]
_cell_length_c [8.7358]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [Rb2SrMgH6]
_chemical_formula_sum '[Rb2 Sr1 Mg1 H6]'
_cell_volume [182.1218]
_cell_formula_units_Z [1]
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  0.0000  0.2738  1.0
  Sr  Sr1  1  0.5000  0.5000  0.0000  1.0
  Mg  Mg2  1  0.5000  0.5000  0.5000  1.0
  H  H3  2  0.0000  0.5000  0.0000  1.0
  H  H4  2  0.0000  0.5000  0.5000  1.0
  H  H5  2  0.5000  0.5000  0.2821  1.0
]