The material structure described by NpYb3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Np(1) is bonded to twelve equivalent Yb(1) atoms to form NpYb12 cuboctahedra that share corners with twelve equivalent Np(1)Yb12 cuboctahedra, edges with twenty-four equivalent Yb(1)Yb8Np4 cuboctahedra, faces with six equivalent Np(1)Yb12 cuboctahedra, and faces with twelve equivalent Yb(1)Yb8Np4 cuboctahedra. Yb(1) is bonded to four equivalent Np(1) and eight equivalent Yb(1) atoms to form YbYb8Np4 cuboctahedra that share corners with twelve equivalent Yb(1)Yb8Np4 cuboctahedra, edges with eight equivalent Np(1)Yb12 cuboctahedra, edges with sixteen equivalent Yb(1)Yb8Np4 cuboctahedra, faces with four equivalent Np(1)Yb12 cuboctahedra, and faces with fourteen equivalent Yb(1)Yb8Np4 cuboctahedra. is represented by the CIF card [CIF]
data_Yb3Np
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.159
_cell_length_b   5.159
_cell_length_c   5.159
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   137.318
_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
  Yb  Yb0  1  0.000  0.500  0.500  1.0
  Yb  Yb1  1  0.500  0.000  0.500  1.0
  Yb  Yb2  1  0.500  0.500  0.000  1.0
  Np  Np3  1  0.000  0.000  0.000  1.0
[/CIF]
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The material structure described by NpYb3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. Np(1) is bonded to twelve equivalent Yb(1) atoms to form NpYb12 cuboctahedra that share corners with twelve equivalent Np(1)Yb12 cuboctahedra, edges with twenty-four equivalent Yb(1)Yb8Np4 cuboctahedra, faces with six equivalent Np(1)Yb12 cuboctahedra, and faces with twelve equivalent Yb(1)Yb8Np4 cuboctahedra. Yb(1) is bonded to four equivalent Np(1) and eight equivalent Yb(1) atoms to form YbYb8Np4 cuboctahedra that share corners with twelve equivalent Yb(1)Yb8Np4 cuboctahedra, edges with eight equivalent Np(1)Yb12 cuboctahedra, edges with sixteen equivalent Yb(1)Yb8Np4 cuboctahedra, faces with four equivalent Np(1)Yb12 cuboctahedra, and faces with fourteen equivalent Yb(1)Yb8Np4 cuboctahedra. is represented by the CIF card [CIF]
data_Yb3Np
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.159
_cell_length_b   5.159
_cell_length_c   5.159
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   137.318
_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
  Yb  Yb0  1  0.000  0.500  0.500  1.0
  Yb  Yb1  1  0.500  0.000  0.500  1.0
  Yb  Yb2  1  0.500  0.500  0.000  1.0
  Np  Np3  1  0.000  0.000  0.000  1.0
[/CIF]
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