data_[Rb6Sr3Cr9H36]
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
  Cr  1.6600  1.4000  0.9400
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [6.8386]
_cell_length_b [6.8386]
_cell_length_c [17.0126]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Rb2Sr(CrH4)3]
_chemical_formula_sum '[Rb6 Sr3 Cr9 H36]'
_cell_volume [689.0255]
_cell_formula_units_Z [3]
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  6  0.0000  0.0000  0.3888  1.0
  Sr  Sr1  3  0.0000  0.0000  0.0000  1.0
  Cr  Cr2  9  0.0000  0.5000  0.5000  1.0
  H  H3  18  0.0305  0.5152  0.3994  1.0
  H  H4  18  0.0786  0.5393  0.8164  1.0
]