The structure described by IrSe is Wurtzite structured and crystallizes in the hexagonal P6_3mc space group. Ir(1) is bonded to four equivalent Se(1) atoms to form corner-sharing IrSe4 tetrahedra. Se(1) is bonded to four equivalent Ir(1) atoms to form corner-sharing SeIr4 tetrahedra. is represented by the CIF card [CIF]
data_IrSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.804
_cell_length_b   3.804
_cell_length_c   6.857
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   85.925
_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
  Ir  Ir0  1  0.667  0.333  0.509  1.0
  Ir  Ir1  1  0.333  0.667  0.009  1.0
  Se  Se2  1  0.667  0.333  0.866  1.0
  Se  Se3  1  0.333  0.667  0.366  1.0
[/CIF]
.
The structure described by IrSe is Wurtzite structured and crystallizes in the hexagonal P6_3mc space group. Ir(1) is bonded to four equivalent Se(1) atoms to form corner-sharing IrSe4 tetrahedra. Se(1) is bonded to four equivalent Ir(1) atoms to form corner-sharing SeIr4 tetrahedra. is represented by the CIF card [CIF]
data_IrSe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.804
_cell_length_b   3.804
_cell_length_c   6.857
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   85.925
_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
  Ir  Ir0  1  0.667  0.333  0.509  1.0
  Ir  Ir1  1  0.333  0.667  0.009  1.0
  Se  Se2  1  0.667  0.333  0.866  1.0
  Se  Se3  1  0.333  0.667  0.366  1.0
[/CIF]
.