The compound described by CeBe13 crystallizes in the cubic Fm-3c space group. There are two inequivalent Be sites. In the first Be site, Be(1) is bonded to one Be(2), nine equivalent Be(1), and two equivalent Ce(1) atoms to form distorted BeCe2Be10 cuboctahedra that share  a cornercorner with one Be(2)Be12 cuboctahedra, corners with twenty-seven equivalent Be(1)Ce2Be10 cuboctahedra, edges with eight equivalent Be(1)Ce2Be10 cuboctahedra, faces with two equivalent Be(2)Be12 cuboctahedra, and faces with twenty-three equivalent Be(1)Ce2Be10 cuboctahedra. In the second Be site, Be(2) is bonded to twelve equivalent Be(1) atoms to form a mixture of face and corner-sharing BeBe12 cuboctahedra. Ce(1) is bonded in a 24-coordinate geometry to twenty-four equivalent Be(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_CeBe13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.290
_cell_length_b   7.290
_cell_length_c   7.295
_cell_angle_alpha   59.978
_cell_angle_beta   59.978
_cell_angle_gamma   59.986
_symmetry_Int_Tables_number   1
_cell_volume   273.982
_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
  Ce  Ce0  1  0.750  0.750  0.750  1.0
  Ce  Ce1  1  0.250  0.250  0.250  1.0
  Be  Be2  1  0.938  0.289  0.711  1.0
  Be  Be3  1  0.711  0.062  0.938  1.0
  Be  Be4  1  0.000  0.000  0.000  1.0
  Be  Be5  1  0.500  0.500  0.500  1.0
  Be  Be6  1  0.289  0.938  0.062  1.0
  Be  Be7  1  0.562  0.438  0.789  1.0
  Be  Be8  1  0.789  0.211  0.562  1.0
  Be  Be9  1  0.563  0.789  0.211  1.0
  Be  Be10  1  0.437  0.211  0.789  1.0
  Be  Be11  1  0.438  0.789  0.562  1.0
  Be  Be12  1  0.789  0.438  0.211  1.0
  Be  Be13  1  0.063  0.289  0.938  1.0
  Be  Be14  1  0.938  0.062  0.289  1.0
  Be  Be15  1  0.711  0.289  0.062  1.0
  Be  Be16  1  0.937  0.711  0.062  1.0
  Be  Be17  1  0.711  0.937  0.289  1.0
  Be  Be18  1  0.062  0.938  0.711  1.0
  Be  Be19  1  0.289  0.063  0.711  1.0
  Be  Be20  1  0.289  0.711  0.938  1.0
  Be  Be21  1  0.789  0.563  0.438  1.0
  Be  Be22  1  0.211  0.789  0.438  1.0
  Be  Be23  1  0.211  0.562  0.789  1.0
  Be  Be24  1  0.562  0.211  0.438  1.0
  Be  Be25  1  0.438  0.562  0.211  1.0
  Be  Be26  1  0.211  0.437  0.562  1.0
  Be  Be27  1  0.062  0.711  0.289  1.0
[/CIF]
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The compound described by CeBe13 crystallizes in the cubic Fm-3c space group. There are two inequivalent Be sites. In the first Be site, Be(1) is bonded to one Be(2), nine equivalent Be(1), and two equivalent Ce(1) atoms to form distorted BeCe2Be10 cuboctahedra that share  a cornercorner with one Be(2)Be12 cuboctahedra, corners with twenty-seven equivalent Be(1)Ce2Be10 cuboctahedra, edges with eight equivalent Be(1)Ce2Be10 cuboctahedra, faces with two equivalent Be(2)Be12 cuboctahedra, and faces with twenty-three equivalent Be(1)Ce2Be10 cuboctahedra. In the second Be site, Be(2) is bonded to twelve equivalent Be(1) atoms to form a mixture of face and corner-sharing BeBe12 cuboctahedra. Ce(1) is bonded in a 24-coordinate geometry to twenty-four equivalent Be(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_CeBe13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.290
_cell_length_b   7.290
_cell_length_c   7.295
_cell_angle_alpha   59.978
_cell_angle_beta   59.978
_cell_angle_gamma   59.986
_symmetry_Int_Tables_number   1
_cell_volume   273.982
_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
  Ce  Ce0  1  0.750  0.750  0.750  1.0
  Ce  Ce1  1  0.250  0.250  0.250  1.0
  Be  Be2  1  0.938  0.289  0.711  1.0
  Be  Be3  1  0.711  0.062  0.938  1.0
  Be  Be4  1  0.000  0.000  0.000  1.0
  Be  Be5  1  0.500  0.500  0.500  1.0
  Be  Be6  1  0.289  0.938  0.062  1.0
  Be  Be7  1  0.562  0.438  0.789  1.0
  Be  Be8  1  0.789  0.211  0.562  1.0
  Be  Be9  1  0.563  0.789  0.211  1.0
  Be  Be10  1  0.437  0.211  0.789  1.0
  Be  Be11  1  0.438  0.789  0.562  1.0
  Be  Be12  1  0.789  0.438  0.211  1.0
  Be  Be13  1  0.063  0.289  0.938  1.0
  Be  Be14  1  0.938  0.062  0.289  1.0
  Be  Be15  1  0.711  0.289  0.062  1.0
  Be  Be16  1  0.937  0.711  0.062  1.0
  Be  Be17  1  0.711  0.937  0.289  1.0
  Be  Be18  1  0.062  0.938  0.711  1.0
  Be  Be19  1  0.289  0.063  0.711  1.0
  Be  Be20  1  0.289  0.711  0.938  1.0
  Be  Be21  1  0.789  0.563  0.438  1.0
  Be  Be22  1  0.211  0.789  0.438  1.0
  Be  Be23  1  0.211  0.562  0.789  1.0
  Be  Be24  1  0.562  0.211  0.438  1.0
  Be  Be25  1  0.438  0.562  0.211  1.0
  Be  Be26  1  0.211  0.437  0.562  1.0
  Be  Be27  1  0.062  0.711  0.289  1.0
[/CIF]
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