data_BeAs2Ir
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.14
_cell_length_b   4.14
_cell_length_c   3.51
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BeAs2Ir
_chemical_formula_sum   'Be1 As2 Ir1'
_cell_volume   60.17
_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
  Be  Be2  1  0.0  0.0  0.0  1.0
  As  As0  1  0.07  0.0  0.76  1.0
  As  As1  1  0.0  0.07  0.76  1.0
  Ir  Ir3  1  0.07  0.07  0.0  1.0

data_BeAs2Ir
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.85
_cell_length_b   5.85
_cell_length_c   3.51
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   BeAs2Ir
_chemical_formula_sum   'Be2 As4 Ir2'
_cell_volume   120.33
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Be  Be0  2  0.0  0.0  0.0  1.0
  As  As1  4  0.04  0.04  0.76  1.0
  Ir  Ir2  2  0.07  0.0  -0.0  1.0

Be As As Ir
BeIr(As)2 crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two diarsene molecules and two BeIr clusters. In each BeIr cluster, Be(1) is bonded in a single-bond geometry to one Ir(1) atom. The Be(1)-Ir(1) bond length is 0.41 Å. Ir(1) is bonded in a single-bond geometry to one Be(1) atom.