The material structure described by Be3Co is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Be sites. In the first Be site, Be(1) is bonded to four equivalent Be(1), four equivalent Be(2), and four equivalent Co(1) atoms to form BeBe8Co4 cuboctahedra that share corners with twelve equivalent Be(1)Be8Co4 cuboctahedra, edges with eight equivalent Be(1)Be8Co4 cuboctahedra, edges with eight equivalent Co(1)Be12 cuboctahedra, faces with four equivalent Co(1)Be12 cuboctahedra, and faces with ten equivalent Be(1)Be8Co4 cuboctahedra. In the second Be site, Be(2) is bonded in a distorted square co-planar geometry to eight equivalent Be(1) and four equivalent Co(1) atoms. Co(1) is bonded to four equivalent Be(2) and eight equivalent Be(1) atoms to form CoBe12 cuboctahedra that share corners with four equivalent Co(1)Be12 cuboctahedra, edges with eight equivalent Co(1)Be12 cuboctahedra, edges with sixteen equivalent Be(1)Be8Co4 cuboctahedra, faces with four equivalent Co(1)Be12 cuboctahedra, and faces with eight equivalent Be(1)Be8Co4 cuboctahedra. is represented by the CIF card [CIF]
data_Be3Co
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.122
_cell_length_b   4.122
_cell_length_c   4.122
_cell_angle_alpha   135.934
_cell_angle_beta   135.934
_cell_angle_gamma   64.083
_symmetry_Int_Tables_number   1
_cell_volume   33.411
_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
  Be  Be0  1  0.750  0.250  0.500  1.0
  Be  Be1  1  0.250  0.750  0.500  1.0
  Be  Be2  1  0.500  0.500  0.000  1.0
  Co  Co3  1  0.000  0.000  0.000  1.0
[/CIF]
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The material structure described by Be3Co is Uranium Silicide-like structured and crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Be sites. In the first Be site, Be(1) is bonded to four equivalent Be(1), four equivalent Be(2), and four equivalent Co(1) atoms to form BeBe8Co4 cuboctahedra that share corners with twelve equivalent Be(1)Be8Co4 cuboctahedra, edges with eight equivalent Be(1)Be8Co4 cuboctahedra, edges with eight equivalent Co(1)Be12 cuboctahedra, faces with four equivalent Co(1)Be12 cuboctahedra, and faces with ten equivalent Be(1)Be8Co4 cuboctahedra. In the second Be site, Be(2) is bonded in a distorted square co-planar geometry to eight equivalent Be(1) and four equivalent Co(1) atoms. Co(1) is bonded to four equivalent Be(2) and eight equivalent Be(1) atoms to form CoBe12 cuboctahedra that share corners with four equivalent Co(1)Be12 cuboctahedra, edges with eight equivalent Co(1)Be12 cuboctahedra, edges with sixteen equivalent Be(1)Be8Co4 cuboctahedra, faces with four equivalent Co(1)Be12 cuboctahedra, and faces with eight equivalent Be(1)Be8Co4 cuboctahedra. is represented by the CIF card [CIF]
data_Be3Co
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.122
_cell_length_b   4.122
_cell_length_c   4.122
_cell_angle_alpha   135.934
_cell_angle_beta   135.934
_cell_angle_gamma   64.083
_symmetry_Int_Tables_number   1
_cell_volume   33.411
_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
  Be  Be0  1  0.750  0.250  0.500  1.0
  Be  Be1  1  0.250  0.750  0.500  1.0
  Be  Be2  1  0.500  0.500  0.000  1.0
  Co  Co3  1  0.000  0.000  0.000  1.0
[/CIF]
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