The material structure described by RbMg6Cu crystallizes in the orthorhombic Amm2 space group. Rb(1) is bonded to two equivalent Mg(4), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Cu(1) atoms to form RbMg10Cu2 cuboctahedra that share corners with four equivalent Cu(1)Rb2Mg10 cuboctahedra, corners with six equivalent Rb(1)Mg10Cu2 cuboctahedra, corners with eight equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, edges with two equivalent Cu(1)Rb2Mg10 cuboctahedra, edges with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, faces with two equivalent Rb(1)Mg10Cu2 cuboctahedra, faces with two equivalent Cu(1)Rb2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Rb(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Cu(1) atoms to form distorted MgRb2Mg8Cu2 cuboctahedra that share corners with four equivalent Rb(1)Mg10Cu2 cuboctahedra, corners with four equivalent Cu(1)Rb2Mg10 cuboctahedra, corners with ten equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, edges with two equivalent Rb(1)Mg10Cu2 cuboctahedra, edges with two equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, edges with two equivalent Cu(1)Rb2Mg10 cuboctahedra, faces with two equivalent Rb(1)Mg10Cu2 cuboctahedra, faces with two equivalent Cu(1)Rb2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra. In the second Mg site, Mg(2) is bonded in a 4-coordinate geometry to two equivalent Rb(1), one Mg(4), two equivalent Mg(1), and two equivalent Cu(1) atoms. In the third Mg site, Mg(3) is bonded in a distorted water-like geometry to two equivalent Mg(4), four equivalent Mg(1), and two equivalent Cu(1) atoms. In the fourth Mg site, Mg(4) is bonded in a 10-coordinate geometry to two equivalent Rb(1), two equivalent Mg(2), two equivalent Mg(3), and four equivalent Mg(1) atoms. Cu(1) is bonded to two equivalent Rb(1), two equivalent Mg(3), four equivalent Mg(1), and four equivalent Mg(2) atoms to form distorted CuRb2Mg10 cuboctahedra that share corners with four equivalent Rb(1)Mg10Cu2 cuboctahedra, corners with six equivalent Cu(1)Rb2Mg10 cuboctahedra, corners with eight equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, edges with two equivalent Rb(1)Mg10Cu2 cuboctahedra, edges with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, faces with two equivalent Rb(1)Mg10Cu2 cuboctahedra, faces with two equivalent Cu(1)Rb2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbMg6Cu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.263
_cell_length_b   6.526
_cell_length_c   6.716
_cell_angle_alpha   119.067
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   201.614
_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
  Cu  Cu0  1  0.500  0.161  0.322  1.0
  Mg  Mg1  1  0.500  0.672  0.836  1.0
  Mg  Mg2  1  0.500  0.163  0.836  1.0
  Mg  Mg3  1  0.000  0.856  0.163  1.0
  Mg  Mg4  1  0.000  0.307  0.163  1.0
  Mg  Mg5  1  0.000  0.326  0.653  1.0
  Mg  Mg6  1  0.000  0.846  0.692  1.0
  Rb  Rb7  1  0.500  0.667  0.335  1.0
[/CIF]
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The material structure described by RbMg6Cu crystallizes in the orthorhombic Amm2 space group. Rb(1) is bonded to two equivalent Mg(4), four equivalent Mg(1), four equivalent Mg(2), and two equivalent Cu(1) atoms to form RbMg10Cu2 cuboctahedra that share corners with four equivalent Cu(1)Rb2Mg10 cuboctahedra, corners with six equivalent Rb(1)Mg10Cu2 cuboctahedra, corners with eight equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, edges with two equivalent Cu(1)Rb2Mg10 cuboctahedra, edges with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, faces with two equivalent Rb(1)Mg10Cu2 cuboctahedra, faces with two equivalent Cu(1)Rb2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra. There are four inequivalent Mg sites. In the first Mg site, Mg(1) is bonded to two equivalent Rb(1), two equivalent Mg(1), two equivalent Mg(2), two equivalent Mg(3), two equivalent Mg(4), and two equivalent Cu(1) atoms to form distorted MgRb2Mg8Cu2 cuboctahedra that share corners with four equivalent Rb(1)Mg10Cu2 cuboctahedra, corners with four equivalent Cu(1)Rb2Mg10 cuboctahedra, corners with ten equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, edges with two equivalent Rb(1)Mg10Cu2 cuboctahedra, edges with two equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, edges with two equivalent Cu(1)Rb2Mg10 cuboctahedra, faces with two equivalent Rb(1)Mg10Cu2 cuboctahedra, faces with two equivalent Cu(1)Rb2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra. In the second Mg site, Mg(2) is bonded in a 4-coordinate geometry to two equivalent Rb(1), one Mg(4), two equivalent Mg(1), and two equivalent Cu(1) atoms. In the third Mg site, Mg(3) is bonded in a distorted water-like geometry to two equivalent Mg(4), four equivalent Mg(1), and two equivalent Cu(1) atoms. In the fourth Mg site, Mg(4) is bonded in a 10-coordinate geometry to two equivalent Rb(1), two equivalent Mg(2), two equivalent Mg(3), and four equivalent Mg(1) atoms. Cu(1) is bonded to two equivalent Rb(1), two equivalent Mg(3), four equivalent Mg(1), and four equivalent Mg(2) atoms to form distorted CuRb2Mg10 cuboctahedra that share corners with four equivalent Rb(1)Mg10Cu2 cuboctahedra, corners with six equivalent Cu(1)Rb2Mg10 cuboctahedra, corners with eight equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, edges with two equivalent Rb(1)Mg10Cu2 cuboctahedra, edges with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra, faces with two equivalent Rb(1)Mg10Cu2 cuboctahedra, faces with two equivalent Cu(1)Rb2Mg10 cuboctahedra, and faces with four equivalent Mg(1)Rb2Mg8Cu2 cuboctahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbMg6Cu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.263
_cell_length_b   6.526
_cell_length_c   6.716
_cell_angle_alpha   119.067
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   201.614
_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
  Cu  Cu0  1  0.500  0.161  0.322  1.0
  Mg  Mg1  1  0.500  0.672  0.836  1.0
  Mg  Mg2  1  0.500  0.163  0.836  1.0
  Mg  Mg3  1  0.000  0.856  0.163  1.0
  Mg  Mg4  1  0.000  0.307  0.163  1.0
  Mg  Mg5  1  0.000  0.326  0.653  1.0
  Mg  Mg6  1  0.000  0.846  0.692  1.0
  Rb  Rb7  1  0.500  0.667  0.335  1.0
[/CIF]
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