The structure described by Eu2OI2 crystallizes in the orthorhombic Ibam space group. Eu(1) is bonded in a distorted L-shaped geometry to two equivalent O(1) and five equivalent I(1) atoms. O(1) is bonded to four equivalent Eu(1) atoms to form distorted edge-sharing OEu4 tetrahedra. I(1) is bonded in a 5-coordinate geometry to five equivalent Eu(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Eu2I2O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.411
_cell_length_b   7.519
_cell_length_c   8.077
_cell_angle_alpha   117.657
_cell_angle_beta   113.383
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   308.312
_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
  Eu  Eu0  1  0.910  0.584  0.820  1.0
  Eu  Eu1  1  0.590  0.763  0.180  1.0
  Eu  Eu2  1  0.410  0.237  0.820  1.0
  Eu  Eu3  1  0.090  0.416  0.180  1.0
  I  I4  1  0.149  0.999  0.297  1.0
  I  I5  1  0.649  0.297  0.297  1.0
  I  I6  1  0.351  0.703  0.703  1.0
  I  I7  1  0.851  0.001  0.703  1.0
  O  O8  1  0.750  0.500  0.000  1.0
  O  O9  1  0.250  0.500  0.000  1.0
[/CIF]
.
The structure described by Eu2OI2 crystallizes in the orthorhombic Ibam space group. Eu(1) is bonded in a distorted L-shaped geometry to two equivalent O(1) and five equivalent I(1) atoms. O(1) is bonded to four equivalent Eu(1) atoms to form distorted edge-sharing OEu4 tetrahedra. I(1) is bonded in a 5-coordinate geometry to five equivalent Eu(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Eu2I2O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.411
_cell_length_b   7.519
_cell_length_c   8.077
_cell_angle_alpha   117.657
_cell_angle_beta   113.383
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   308.312
_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
  Eu  Eu0  1  0.910  0.584  0.820  1.0
  Eu  Eu1  1  0.590  0.763  0.180  1.0
  Eu  Eu2  1  0.410  0.237  0.820  1.0
  Eu  Eu3  1  0.090  0.416  0.180  1.0
  I  I4  1  0.149  0.999  0.297  1.0
  I  I5  1  0.649  0.297  0.297  1.0
  I  I6  1  0.351  0.703  0.703  1.0
  I  I7  1  0.851  0.001  0.703  1.0
  O  O8  1  0.750  0.500  0.000  1.0
  O  O9  1  0.250  0.500  0.000  1.0
[/CIF]
.