The structure described by Rb3Au7 crystallizes in the orthorhombic Cmmm space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to two equivalent Au(3), four equivalent Au(2), and six equivalent Au(1) atoms. In the second Rb site, Rb(2) is bonded to four equivalent Au(2) and eight equivalent Au(1) atoms to form RbAu12 cuboctahedra that share corners with four equivalent Rb(2)Au12 cuboctahedra, faces with two equivalent Rb(2)Au12 cuboctahedra, and faces with eight equivalent Au(2)Rb6Au6 cuboctahedra. There are three inequivalent Au sites. In the first Au site, Au(1) is bonded in a 10-coordinate geometry to two equivalent Rb(2), three equivalent Rb(1), one Au(3), two equivalent Au(1), and two equivalent Au(2) atoms. In the second Au site, Au(2) is bonded to two equivalent Rb(2), four equivalent Rb(1), two equivalent Au(2), and four equivalent Au(1) atoms to form AuRb6Au6 cuboctahedra that share corners with ten equivalent Au(2)Rb6Au6 cuboctahedra, edges with two equivalent Au(2)Rb6Au6 cuboctahedra, faces with two equivalent Au(2)Rb6Au6 cuboctahedra, and faces with four equivalent Rb(2)Au12 cuboctahedra. In the third Au site, Au(3) is bonded in a body-centered cubic geometry to four equivalent Rb(1) and four equivalent Au(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb3Au7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.642
_cell_length_b   7.310
_cell_length_c   7.268
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   112.698
_symmetry_Int_Tables_number   1
_cell_volume   276.531
_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  0.337  0.673  0.500  1.0
  Rb  Rb1  1  0.663  0.327  0.500  1.0
  Rb  Rb2  1  0.500  0.000  0.000  1.0
  Au  Au3  1  0.108  0.216  0.804  1.0
  Au  Au4  1  0.892  0.784  0.196  1.0
  Au  Au5  1  0.892  0.784  0.804  1.0
  Au  Au6  1  0.108  0.216  0.196  1.0
  Au  Au7  1  0.500  0.500  0.000  1.0
  Au  Au8  1  0.000  0.500  0.000  1.0
  Au  Au9  1  0.000  0.000  0.500  1.0
[/CIF]
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The structure described by Rb3Au7 crystallizes in the orthorhombic Cmmm space group. There are two inequivalent Rb sites. In the first Rb site, Rb(1) is bonded in a 8-coordinate geometry to two equivalent Au(3), four equivalent Au(2), and six equivalent Au(1) atoms. In the second Rb site, Rb(2) is bonded to four equivalent Au(2) and eight equivalent Au(1) atoms to form RbAu12 cuboctahedra that share corners with four equivalent Rb(2)Au12 cuboctahedra, faces with two equivalent Rb(2)Au12 cuboctahedra, and faces with eight equivalent Au(2)Rb6Au6 cuboctahedra. There are three inequivalent Au sites. In the first Au site, Au(1) is bonded in a 10-coordinate geometry to two equivalent Rb(2), three equivalent Rb(1), one Au(3), two equivalent Au(1), and two equivalent Au(2) atoms. In the second Au site, Au(2) is bonded to two equivalent Rb(2), four equivalent Rb(1), two equivalent Au(2), and four equivalent Au(1) atoms to form AuRb6Au6 cuboctahedra that share corners with ten equivalent Au(2)Rb6Au6 cuboctahedra, edges with two equivalent Au(2)Rb6Au6 cuboctahedra, faces with two equivalent Au(2)Rb6Au6 cuboctahedra, and faces with four equivalent Rb(2)Au12 cuboctahedra. In the third Au site, Au(3) is bonded in a body-centered cubic geometry to four equivalent Rb(1) and four equivalent Au(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Rb3Au7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.642
_cell_length_b   7.310
_cell_length_c   7.268
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   112.698
_symmetry_Int_Tables_number   1
_cell_volume   276.531
_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  0.337  0.673  0.500  1.0
  Rb  Rb1  1  0.663  0.327  0.500  1.0
  Rb  Rb2  1  0.500  0.000  0.000  1.0
  Au  Au3  1  0.108  0.216  0.804  1.0
  Au  Au4  1  0.892  0.784  0.196  1.0
  Au  Au5  1  0.892  0.784  0.804  1.0
  Au  Au6  1  0.108  0.216  0.196  1.0
  Au  Au7  1  0.500  0.500  0.000  1.0
  Au  Au8  1  0.000  0.500  0.000  1.0
  Au  Au9  1  0.000  0.000  0.500  1.0
[/CIF]
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