The material described by La2RuFeAs2O2 crystallizes in the tetragonal P-4m2 space group. La(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1,2) atoms. Ru(1) is bonded in a 8-coordinate geometry to four equivalent Fe(1) and four equivalent As(1) atoms. Fe(1) is bonded in a 8-coordinate geometry to four equivalent Ru(1) and four equivalent As(1) atoms. As(1) is bonded in a 8-coordinate geometry to four equivalent La(1), two equivalent Ru(1), and two equivalent Fe(1) atoms. O(1,2) is bonded to four equivalent La(1) atoms to form a mixture of corner and edge-sharing OLa4 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_La2FeAs2RuO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.050
_cell_length_b   4.050
_cell_length_c   9.098
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   149.227
_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
  La  La0  1  0.500  0.000  0.864  1.0
  La  La1  1  0.000  0.500  0.136  1.0
  Fe  Fe2  1  0.500  0.500  0.500  1.0
  As  As3  1  0.500  0.000  0.333  1.0
  As  As4  1  0.000  0.500  0.667  1.0
  Ru  Ru5  1  0.000  0.000  0.500  1.0
  O  O6  1  0.500  0.500  0.000  1.0
  O  O7  1  0.000  0.000  0.000  1.0
[/CIF]
.
The material described by La2RuFeAs2O2 crystallizes in the tetragonal P-4m2 space group. La(1) is bonded in a 4-coordinate geometry to four equivalent As(1) and four equivalent O(1,2) atoms. Ru(1) is bonded in a 8-coordinate geometry to four equivalent Fe(1) and four equivalent As(1) atoms. Fe(1) is bonded in a 8-coordinate geometry to four equivalent Ru(1) and four equivalent As(1) atoms. As(1) is bonded in a 8-coordinate geometry to four equivalent La(1), two equivalent Ru(1), and two equivalent Fe(1) atoms. O(1,2) is bonded to four equivalent La(1) atoms to form a mixture of corner and edge-sharing OLa4 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_La2FeAs2RuO2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.050
_cell_length_b   4.050
_cell_length_c   9.098
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   149.227
_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
  La  La0  1  0.500  0.000  0.864  1.0
  La  La1  1  0.000  0.500  0.136  1.0
  Fe  Fe2  1  0.500  0.500  0.500  1.0
  As  As3  1  0.500  0.000  0.333  1.0
  As  As4  1  0.000  0.500  0.667  1.0
  Ru  Ru5  1  0.000  0.000  0.500  1.0
  O  O6  1  0.500  0.500  0.000  1.0
  O  O7  1  0.000  0.000  0.000  1.0
[/CIF]
.