The structure described by Rb3Pm is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to four equivalent Rb(1), four equivalent Rb(2), and four equivalent Pm(1) atoms to form RbRb8Pm4 cuboctahedra that share corners with twelve equivalent Rb(1)Rb8Pm4 cuboctahedra, edges with eight equivalent Rb(1)Rb8Pm4 cuboctahedra, edges with eight equivalent Pm(1)Rb12 cuboctahedra, faces with four equivalent Pm(1)Rb12 cuboctahedra, and faces with ten equivalent Rb(1)Rb8Pm4 cuboctahedra. In the second Rb site, Rb(2) is bonded in a distorted square co-planar geometry to eight equivalent Rb(1) and four equivalent Pm(1) atoms. Pm(1) is bonded to four equivalent Rb(2) and eight equivalent Rb(1) atoms to form PmRb12 cuboctahedra that share corners with four equivalent Pm(1)Rb12 cuboctahedra, edges with eight equivalent Pm(1)Rb12 cuboctahedra, edges with sixteen equivalent Rb(1)Rb8Pm4 cuboctahedra, faces with four equivalent Pm(1)Rb12 cuboctahedra, and faces with eight equivalent Rb(1)Rb8Pm4 cuboctahedra. is represented by the CIF card [CIF]
data_Rb3Pm
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.246
_cell_length_b   8.246
_cell_length_c   8.246
_cell_angle_alpha   136.191
_cell_angle_beta   136.191
_cell_angle_gamma   63.686
_symmetry_Int_Tables_number   1
_cell_volume   265.179
_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  1  0.750  0.250  0.500  1.0
  Rb  Rb1  1  0.250  0.750  0.500  1.0
  Rb  Rb2  1  0.500  0.500  0.000  1.0
  Pm  Pm3  1  0.000  0.000  0.000  1.0
[/CIF]
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The structure described by Rb3Pm is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded to four equivalent Rb(1), four equivalent Rb(2), and four equivalent Pm(1) atoms to form RbRb8Pm4 cuboctahedra that share corners with twelve equivalent Rb(1)Rb8Pm4 cuboctahedra, edges with eight equivalent Rb(1)Rb8Pm4 cuboctahedra, edges with eight equivalent Pm(1)Rb12 cuboctahedra, faces with four equivalent Pm(1)Rb12 cuboctahedra, and faces with ten equivalent Rb(1)Rb8Pm4 cuboctahedra. In the second Rb site, Rb(2) is bonded in a distorted square co-planar geometry to eight equivalent Rb(1) and four equivalent Pm(1) atoms. Pm(1) is bonded to four equivalent Rb(2) and eight equivalent Rb(1) atoms to form PmRb12 cuboctahedra that share corners with four equivalent Pm(1)Rb12 cuboctahedra, edges with eight equivalent Pm(1)Rb12 cuboctahedra, edges with sixteen equivalent Rb(1)Rb8Pm4 cuboctahedra, faces with four equivalent Pm(1)Rb12 cuboctahedra, and faces with eight equivalent Rb(1)Rb8Pm4 cuboctahedra. is represented by the CIF card [CIF]
data_Rb3Pm
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.246
_cell_length_b   8.246
_cell_length_c   8.246
_cell_angle_alpha   136.191
_cell_angle_beta   136.191
_cell_angle_gamma   63.686
_symmetry_Int_Tables_number   1
_cell_volume   265.179
_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  1  0.750  0.250  0.500  1.0
  Rb  Rb1  1  0.250  0.750  0.500  1.0
  Rb  Rb2  1  0.500  0.500  0.000  1.0
  Pm  Pm3  1  0.000  0.000  0.000  1.0
[/CIF]
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