The compound described by Rb is Hg_xSn-like structured and crystallizes in the tetragonal I4_1/amd space group. Rb(1) is bonded to eight equivalent Rb(1) atoms to form a mixture of corner and edge-sharing RbRb8 hexagonal bipyramids. is represented by the CIF card [CIF]
data_Rb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.131
_cell_length_b   9.131
_cell_length_c   9.131
_cell_angle_alpha   149.796
_cell_angle_beta   149.796
_cell_angle_gamma   43.241
_symmetry_Int_Tables_number   1
_cell_volume   192.169
_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  1  0.250  0.750  0.500  1.0
  Rb  Rb1  1  0.500  0.500  0.000  1.0
[/CIF]
.
The compound described by Rb is Hg_xSn-like structured and crystallizes in the tetragonal I4_1/amd space group. Rb(1) is bonded to eight equivalent Rb(1) atoms to form a mixture of corner and edge-sharing RbRb8 hexagonal bipyramids. is represented by the CIF card [CIF]
data_Rb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.131
_cell_length_b   9.131
_cell_length_c   9.131
_cell_angle_alpha   149.796
_cell_angle_beta   149.796
_cell_angle_gamma   43.241
_symmetry_Int_Tables_number   1
_cell_volume   192.169
_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  1  0.250  0.750  0.500  1.0
  Rb  Rb1  1  0.500  0.500  0.000  1.0
[/CIF]
.