The crystal structure described by Re5Si3 crystallizes in the tetragonal I4/mcm space group. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded in a 11-coordinate geometry to two equivalent Re(2), three equivalent Re(1), two equivalent Si(2), and four equivalent Si(1) atoms. In the second Re site, Re(2) is bonded in a 14-coordinate geometry to two equivalent Re(2), eight equivalent Re(1), and four equivalent Si(1) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 10-coordinate geometry to two equivalent Re(2) and eight equivalent Re(1) atoms. In the second Si site, Si(2) is bonded in a distorted q6 geometry to eight equivalent Re(1) and two equivalent Si(2) atoms. is represented by the CIF file [CIF]
data_Re5Si3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.954
_cell_length_b   7.136
_cell_length_c   7.136
_cell_angle_alpha   83.080
_cell_angle_beta   69.690
_cell_angle_gamma   69.690
_symmetry_Int_Tables_number   1
_cell_volume   221.902
_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
  Re  Re0  1  0.723  0.850  0.703  1.0
  Re  Re1  1  0.277  0.150  0.297  1.0
  Re  Re2  1  0.777  0.297  0.150  1.0
  Re  Re3  1  0.223  0.703  0.850  1.0
  Re  Re4  1  0.573  0.703  0.150  1.0
  Re  Re5  1  0.427  0.297  0.850  1.0
  Re  Re6  1  0.073  0.150  0.703  1.0
  Re  Re7  1  0.927  0.850  0.297  1.0
  Re  Re8  1  0.750  0.500  0.500  1.0
  Re  Re9  1  0.250  0.500  0.500  1.0
  Si  Si10  1  0.171  0.500  0.159  1.0
  Si  Si11  1  0.829  0.500  0.841  1.0
  Si  Si12  1  0.329  0.841  0.500  1.0
  Si  Si13  1  0.671  0.159  0.500  1.0
  Si  Si14  1  0.250  0.000  0.000  1.0
  Si  Si15  1  0.750  0.000  0.000  1.0
[/CIF]
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The crystal structure described by Re5Si3 crystallizes in the tetragonal I4/mcm space group. There are two inequivalent Re sites. In the first Re site, Re(1) is bonded in a 11-coordinate geometry to two equivalent Re(2), three equivalent Re(1), two equivalent Si(2), and four equivalent Si(1) atoms. In the second Re site, Re(2) is bonded in a 14-coordinate geometry to two equivalent Re(2), eight equivalent Re(1), and four equivalent Si(1) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 10-coordinate geometry to two equivalent Re(2) and eight equivalent Re(1) atoms. In the second Si site, Si(2) is bonded in a distorted q6 geometry to eight equivalent Re(1) and two equivalent Si(2) atoms. is represented by the CIF file [CIF]
data_Re5Si3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.954
_cell_length_b   7.136
_cell_length_c   7.136
_cell_angle_alpha   83.080
_cell_angle_beta   69.690
_cell_angle_gamma   69.690
_symmetry_Int_Tables_number   1
_cell_volume   221.902
_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
  Re  Re0  1  0.723  0.850  0.703  1.0
  Re  Re1  1  0.277  0.150  0.297  1.0
  Re  Re2  1  0.777  0.297  0.150  1.0
  Re  Re3  1  0.223  0.703  0.850  1.0
  Re  Re4  1  0.573  0.703  0.150  1.0
  Re  Re5  1  0.427  0.297  0.850  1.0
  Re  Re6  1  0.073  0.150  0.703  1.0
  Re  Re7  1  0.927  0.850  0.297  1.0
  Re  Re8  1  0.750  0.500  0.500  1.0
  Re  Re9  1  0.250  0.500  0.500  1.0
  Si  Si10  1  0.171  0.500  0.159  1.0
  Si  Si11  1  0.829  0.500  0.841  1.0
  Si  Si12  1  0.329  0.841  0.500  1.0
  Si  Si13  1  0.671  0.159  0.500  1.0
  Si  Si14  1  0.250  0.000  0.000  1.0
  Si  Si15  1  0.750  0.000  0.000  1.0
[/CIF]
.