The structure described by LiBa2Y2(Fe2O5)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a 3-coordinate geometry to one O(10), one O(3), and one O(5) atom. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 6-coordinate geometry to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms. In the second Ba site, Ba(2) is bonded in a 8-coordinate geometry to one O(6), one O(8), two equivalent O(10), two equivalent O(4), and two equivalent O(9) atoms. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a body-centered cubic geometry to one O(5), one O(6), one O(7), one O(8), two equivalent O(3), and two equivalent O(4) atoms. In the second Y site, Y(2) is bonded in a body-centered cubic geometry to one O(5), one O(6), one O(7), one O(8), two equivalent O(1), and two equivalent O(2) atoms. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(3), one O(9), and two equivalent O(7) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the second Fe site, Fe(2) is bonded to one O(10), one O(2), one O(4), and two equivalent O(8) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the third Fe site, Fe(3) is bonded to one O(2), one O(4), one O(9), and two equivalent O(6) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the fourth Fe site, Fe(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(3), and two equivalent O(5) atoms. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Y(2), one Fe(1), and one Fe(4) atom. In the second O site, O(2) is bonded to two equivalent Y(2), one Fe(2), and one Fe(3) atom to form distorted OY2Fe2 tetrahedra that share  a cornercorner with one O(9)Ba4Fe2 octahedra, corners with two equivalent O(2)Y2Fe2 tetrahedra, and corners with two equivalent O(7)Y2Fe2 tetrahedra. The corner-sharing octahedral tilt angles are 63°. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Li(1), two equivalent Y(1), one Fe(1), and one Fe(4) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Ba(2), two equivalent Y(1), one Fe(2), and one Fe(3) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Li(1), one Ba(1), one Y(1), one Y(2), and two equivalent Fe(4) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Ba(2), one Y(1), one Y(2), and two equivalent Fe(3) atoms. In the seventh O site, O(7) is bonded to one Y(1), one Y(2), and two equivalent Fe(1) atoms to form distorted OY2Fe2 tetrahedra that share corners with two equivalent O(9)Ba4Fe2 octahedra, corners with two equivalent O(2)Y2Fe2 tetrahedra, and corners with two equivalent O(7)Y2Fe2 tetrahedra. The corner-sharing octahedral tilt angles range from 60-86°. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Ba(2), one Y(1), one Y(2), and two equivalent Fe(2) atoms. In the ninth O site, O(9) is bonded to two equivalent Ba(1), two equivalent Ba(2), one Fe(1), and one Fe(3) atom to form distorted OBa4Fe2 octahedra that share  a cornercorner with one O(2)Y2Fe2 tetrahedra, corners with two equivalent O(7)Y2Fe2 tetrahedra, and edges with two equivalent O(9)Ba4Fe2 octahedra. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Li(1), one Ba(1), two equivalent Ba(2), and one Fe(2) atom. is represented by the CIF file [CIF]
data_Ba2LiY2(Fe2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.968
_cell_length_b   8.295
_cell_length_c   8.081
_cell_angle_alpha   85.393
_cell_angle_beta   89.433
_cell_angle_gamma   84.810
_symmetry_Int_Tables_number   1
_cell_volume   264.034
_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
  Ba  Ba0  1  0.964  0.958  0.502  1.0
  Ba  Ba1  1  0.081  0.073  0.026  1.0
  Li  Li2  1  0.734  0.835  0.877  1.0
  Y  Y3  1  0.991  0.499  0.012  1.0
  Y  Y4  1  0.983  0.492  0.480  1.0
  Fe  Fe5  1  0.461  0.733  0.230  1.0
  Fe  Fe6  1  0.532  0.273  0.752  1.0
  Fe  Fe7  1  0.520  0.260  0.274  1.0
  Fe  Fe8  1  0.437  0.664  0.730  1.0
  O  O9  1  0.454  0.686  0.489  1.0
  O  O10  1  0.514  0.340  0.510  1.0
  O  O11  1  0.462  0.682  0.982  1.0
  O  O12  1  0.515  0.330  0.994  1.0
  O  O13  1  0.942  0.674  0.741  1.0
  O  O14  1  0.007  0.315  0.256  1.0
  O  O15  1  0.985  0.658  0.235  1.0
  O  O16  1  0.020  0.329  0.756  1.0
  O  O17  1  0.539  0.001  0.257  1.0
  O  O18  1  0.591  0.040  0.781  1.0
[/CIF]
.
The structure described by LiBa2Y2(Fe2O5)2 crystallizes in the triclinic P1 space group. Li(1) is bonded in a 3-coordinate geometry to one O(10), one O(3), and one O(5) atom. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 6-coordinate geometry to one O(10), one O(5), two equivalent O(1), and two equivalent O(9) atoms. In the second Ba site, Ba(2) is bonded in a 8-coordinate geometry to one O(6), one O(8), two equivalent O(10), two equivalent O(4), and two equivalent O(9) atoms. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a body-centered cubic geometry to one O(5), one O(6), one O(7), one O(8), two equivalent O(3), and two equivalent O(4) atoms. In the second Y site, Y(2) is bonded in a body-centered cubic geometry to one O(5), one O(6), one O(7), one O(8), two equivalent O(1), and two equivalent O(2) atoms. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(1), one O(3), one O(9), and two equivalent O(7) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the second Fe site, Fe(2) is bonded to one O(10), one O(2), one O(4), and two equivalent O(8) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the third Fe site, Fe(3) is bonded to one O(2), one O(4), one O(9), and two equivalent O(6) atoms to form distorted corner-sharing FeO5 trigonal bipyramids. In the fourth Fe site, Fe(4) is bonded in a distorted rectangular see-saw-like geometry to one O(1), one O(3), and two equivalent O(5) atoms. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Y(2), one Fe(1), and one Fe(4) atom. In the second O site, O(2) is bonded to two equivalent Y(2), one Fe(2), and one Fe(3) atom to form distorted OY2Fe2 tetrahedra that share  a cornercorner with one O(9)Ba4Fe2 octahedra, corners with two equivalent O(2)Y2Fe2 tetrahedra, and corners with two equivalent O(7)Y2Fe2 tetrahedra. The corner-sharing octahedral tilt angles are 63°. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Li(1), two equivalent Y(1), one Fe(1), and one Fe(4) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to two equivalent Ba(2), two equivalent Y(1), one Fe(2), and one Fe(3) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to one Li(1), one Ba(1), one Y(1), one Y(2), and two equivalent Fe(4) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Ba(2), one Y(1), one Y(2), and two equivalent Fe(3) atoms. In the seventh O site, O(7) is bonded to one Y(1), one Y(2), and two equivalent Fe(1) atoms to form distorted OY2Fe2 tetrahedra that share corners with two equivalent O(9)Ba4Fe2 octahedra, corners with two equivalent O(2)Y2Fe2 tetrahedra, and corners with two equivalent O(7)Y2Fe2 tetrahedra. The corner-sharing octahedral tilt angles range from 60-86°. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Ba(2), one Y(1), one Y(2), and two equivalent Fe(2) atoms. In the ninth O site, O(9) is bonded to two equivalent Ba(1), two equivalent Ba(2), one Fe(1), and one Fe(3) atom to form distorted OBa4Fe2 octahedra that share  a cornercorner with one O(2)Y2Fe2 tetrahedra, corners with two equivalent O(7)Y2Fe2 tetrahedra, and edges with two equivalent O(9)Ba4Fe2 octahedra. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Li(1), one Ba(1), two equivalent Ba(2), and one Fe(2) atom. is represented by the CIF file [CIF]
data_Ba2LiY2(Fe2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.968
_cell_length_b   8.295
_cell_length_c   8.081
_cell_angle_alpha   85.393
_cell_angle_beta   89.433
_cell_angle_gamma   84.810
_symmetry_Int_Tables_number   1
_cell_volume   264.034
_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
  Ba  Ba0  1  0.964  0.958  0.502  1.0
  Ba  Ba1  1  0.081  0.073  0.026  1.0
  Li  Li2  1  0.734  0.835  0.877  1.0
  Y  Y3  1  0.991  0.499  0.012  1.0
  Y  Y4  1  0.983  0.492  0.480  1.0
  Fe  Fe5  1  0.461  0.733  0.230  1.0
  Fe  Fe6  1  0.532  0.273  0.752  1.0
  Fe  Fe7  1  0.520  0.260  0.274  1.0
  Fe  Fe8  1  0.437  0.664  0.730  1.0
  O  O9  1  0.454  0.686  0.489  1.0
  O  O10  1  0.514  0.340  0.510  1.0
  O  O11  1  0.462  0.682  0.982  1.0
  O  O12  1  0.515  0.330  0.994  1.0
  O  O13  1  0.942  0.674  0.741  1.0
  O  O14  1  0.007  0.315  0.256  1.0
  O  O15  1  0.985  0.658  0.235  1.0
  O  O16  1  0.020  0.329  0.756  1.0
  O  O17  1  0.539  0.001  0.257  1.0
  O  O18  1  0.591  0.040  0.781  1.0
[/CIF]
.