The crystal structure described by SmRu4B4 crystallizes in the tetragonal I4_1/acd space group. Sm(1) is bonded in a 24-coordinate geometry to twelve equivalent Ru(1) and twelve equivalent B(1) atoms. Ru(1) is bonded in a 5-coordinate geometry to three equivalent Sm(1) and five equivalent B(1) atoms. B(1) is bonded in a 6-coordinate geometry to three equivalent Sm(1), five equivalent Ru(1), and one B(1) atom. is represented by the CIF file [CIF]
data_Sm(BRu)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.201
_cell_length_b   9.201
_cell_length_c   9.201
_cell_angle_alpha   131.962
_cell_angle_beta   131.961
_cell_angle_gamma   70.295
_symmetry_Int_Tables_number   1
_cell_volume   422.158
_cell_formula_units_Z   4
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
  Sm  Sm0  1  0.250  0.250  1.000  1.0
  Sm  Sm1  1  0.750  0.750  0.000  1.0
  Sm  Sm2  1  0.500  1.000  0.500  1.0
  Sm  Sm3  1  0.000  0.500  0.500  1.0
  B  B4  1  0.224  0.915  0.976  1.0
  B  B5  1  0.724  0.748  0.309  1.0
  B  B6  1  0.165  0.974  0.476  1.0
  B  B7  1  0.665  0.189  0.191  1.0
  B  B8  1  0.526  0.335  0.524  1.0
  B  B9  1  0.026  0.502  0.191  1.0
  B  B10  1  0.585  0.276  0.024  1.0
  B  B11  1  0.085  0.061  0.309  1.0
  B  B12  1  0.439  0.415  0.691  1.0
  B  B13  1  0.939  0.248  0.024  1.0
  B  B14  1  0.998  0.474  0.809  1.0
  B  B15  1  0.498  0.689  0.524  1.0
  B  B16  1  0.311  0.835  0.809  1.0
  B  B17  1  0.811  0.002  0.476  1.0
  B  B18  1  0.752  0.776  0.691  1.0
  B  B19  1  0.252  0.561  0.976  1.0
  Ru  Ru20  1  0.542  0.073  0.238  1.0
  Ru  Ru21  1  0.042  0.804  0.469  1.0
  Ru  Ru22  1  0.323  0.292  0.738  1.0
  Ru  Ru23  1  0.823  0.085  0.031  1.0
  Ru  Ru24  1  0.208  0.177  0.262  1.0
  Ru  Ru25  1  0.708  0.446  0.031  1.0
  Ru  Ru26  1  0.427  0.958  0.762  1.0
  Ru  Ru27  1  0.927  0.165  0.469  1.0
  Ru  Ru28  1  0.335  0.573  0.531  1.0
  Ru  Ru29  1  0.835  0.304  0.762  1.0
  Ru  Ru30  1  0.054  0.792  0.969  1.0
  Ru  Ru31  1  0.554  0.585  0.262  1.0
  Ru  Ru32  1  0.415  0.677  0.969  1.0
  Ru  Ru33  1  0.915  0.946  0.738  1.0
  Ru  Ru34  1  0.696  0.458  0.531  1.0
  Ru  Ru35  1  0.196  0.665  0.238  1.0
[/CIF]
.
The crystal structure described by SmRu4B4 crystallizes in the tetragonal I4_1/acd space group. Sm(1) is bonded in a 24-coordinate geometry to twelve equivalent Ru(1) and twelve equivalent B(1) atoms. Ru(1) is bonded in a 5-coordinate geometry to three equivalent Sm(1) and five equivalent B(1) atoms. B(1) is bonded in a 6-coordinate geometry to three equivalent Sm(1), five equivalent Ru(1), and one B(1) atom. is represented by the CIF file [CIF]
data_Sm(BRu)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.201
_cell_length_b   9.201
_cell_length_c   9.201
_cell_angle_alpha   131.962
_cell_angle_beta   131.961
_cell_angle_gamma   70.295
_symmetry_Int_Tables_number   1
_cell_volume   422.158
_cell_formula_units_Z   4
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
  Sm  Sm0  1  0.250  0.250  1.000  1.0
  Sm  Sm1  1  0.750  0.750  0.000  1.0
  Sm  Sm2  1  0.500  1.000  0.500  1.0
  Sm  Sm3  1  0.000  0.500  0.500  1.0
  B  B4  1  0.224  0.915  0.976  1.0
  B  B5  1  0.724  0.748  0.309  1.0
  B  B6  1  0.165  0.974  0.476  1.0
  B  B7  1  0.665  0.189  0.191  1.0
  B  B8  1  0.526  0.335  0.524  1.0
  B  B9  1  0.026  0.502  0.191  1.0
  B  B10  1  0.585  0.276  0.024  1.0
  B  B11  1  0.085  0.061  0.309  1.0
  B  B12  1  0.439  0.415  0.691  1.0
  B  B13  1  0.939  0.248  0.024  1.0
  B  B14  1  0.998  0.474  0.809  1.0
  B  B15  1  0.498  0.689  0.524  1.0
  B  B16  1  0.311  0.835  0.809  1.0
  B  B17  1  0.811  0.002  0.476  1.0
  B  B18  1  0.752  0.776  0.691  1.0
  B  B19  1  0.252  0.561  0.976  1.0
  Ru  Ru20  1  0.542  0.073  0.238  1.0
  Ru  Ru21  1  0.042  0.804  0.469  1.0
  Ru  Ru22  1  0.323  0.292  0.738  1.0
  Ru  Ru23  1  0.823  0.085  0.031  1.0
  Ru  Ru24  1  0.208  0.177  0.262  1.0
  Ru  Ru25  1  0.708  0.446  0.031  1.0
  Ru  Ru26  1  0.427  0.958  0.762  1.0
  Ru  Ru27  1  0.927  0.165  0.469  1.0
  Ru  Ru28  1  0.335  0.573  0.531  1.0
  Ru  Ru29  1  0.835  0.304  0.762  1.0
  Ru  Ru30  1  0.054  0.792  0.969  1.0
  Ru  Ru31  1  0.554  0.585  0.262  1.0
  Ru  Ru32  1  0.415  0.677  0.969  1.0
  Ru  Ru33  1  0.915  0.946  0.738  1.0
  Ru  Ru34  1  0.696  0.458  0.531  1.0
  Ru  Ru35  1  0.196  0.665  0.238  1.0
[/CIF]
.