data_[Rb4Sr2Ge2I12]
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
  Ge  2.0100  1.2500  0.7700
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [8.4261]
_cell_length_b [8.8391]
_cell_length_c [14.7439]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.3320]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Rb2SrGeI6]
_chemical_formula_sum '[Rb4 Sr2 Ge2 I12]'
_cell_volume [906.8103]
_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  4  0.2201  0.5774  0.7471  1
  Sr  Sr1  2  0.5000  0.0000  0.0000  1
  Ge  Ge2  2  0.0000  0.0000  0.5000  1
  I  I3  4  0.1345  0.7098  0.4501  1
  I  I4  4  0.2459  0.1891  0.4511  1
  I  I5  4  0.3375  0.5197  0.2389  1
]