The material structure described by IrSi is Modderite structured and crystallizes in the orthorhombic Pnma space group. Ir(1) is bonded in a 6-coordinate geometry to six equivalent Si(1) atoms. Si(1) is bonded in a 6-coordinate geometry to six equivalent Ir(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_SiIr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.235
_cell_length_b   5.557
_cell_length_c   6.304
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   113.342
_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
  Si  Si0  1  0.250  0.682  0.938  1.0
  Si  Si1  1  0.750  0.318  0.062  1.0
  Si  Si2  1  0.250  0.182  0.562  1.0
  Si  Si3  1  0.750  0.818  0.438  1.0
  Ir  Ir4  1  0.250  0.501  0.294  1.0
  Ir  Ir5  1  0.750  0.499  0.706  1.0
  Ir  Ir6  1  0.250  0.001  0.206  1.0
  Ir  Ir7  1  0.750  0.999  0.794  1.0
[/CIF]
.
The material structure described by IrSi is Modderite structured and crystallizes in the orthorhombic Pnma space group. Ir(1) is bonded in a 6-coordinate geometry to six equivalent Si(1) atoms. Si(1) is bonded in a 6-coordinate geometry to six equivalent Ir(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_SiIr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.235
_cell_length_b   5.557
_cell_length_c   6.304
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   113.342
_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
  Si  Si0  1  0.250  0.682  0.938  1.0
  Si  Si1  1  0.750  0.318  0.062  1.0
  Si  Si2  1  0.250  0.182  0.562  1.0
  Si  Si3  1  0.750  0.818  0.438  1.0
  Ir  Ir4  1  0.250  0.501  0.294  1.0
  Ir  Ir5  1  0.750  0.499  0.706  1.0
  Ir  Ir6  1  0.250  0.001  0.206  1.0
  Ir  Ir7  1  0.750  0.999  0.794  1.0
[/CIF]
.