The compound described by BaMn3Fe3O11 crystallizes in the orthorhombic Cmc2_1 space group. Ba(1) is bonded to one O(4), one O(6), two equivalent O(2), two equivalent O(3), two equivalent O(5), and four equivalent O(1) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(1)O12 cuboctahedra, edges with two equivalent Mn(2)O6 octahedra, edges with four equivalent Mn(1)O6 octahedra, edges with three equivalent Fe(3)O5 trigonal bipyramids, faces with three equivalent Fe(1)O6 octahedra, and faces with three equivalent Fe(2)O6 octahedra. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O5 trigonal bipyramids, edges with two equivalent Ba(1)O12 cuboctahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the second Mn site, Mn(2) is bonded to one O(7), one O(8), two equivalent O(3), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O5 trigonal bipyramids, edges with two equivalent Ba(1)O12 cuboctahedra, and edges with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 56°. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form FeO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, corners with three equivalent Fe(3)O5 trigonal bipyramids, faces with three equivalent Ba(1)O12 cuboctahedra, and  a faceface with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-56°. In the second Fe site, Fe(2) is bonded to one O(2), one O(6), two equivalent O(1), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, corners with three equivalent Fe(3)O5 trigonal bipyramids, faces with three equivalent Ba(1)O12 cuboctahedra, and  a faceface with one Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-56°. In the third Fe site, Fe(3) is bonded to one O(2), one O(7), one O(8), and two equivalent O(1) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Mn(2)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, and edges with three equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 40-63°. There are eight inequivalent O sites. In the first O site, O(3) is bonded in a 3-coordinate geometry to one Ba(1), one Mn(1), one Mn(2), and one Fe(1) atom. In the second O site, O(4) is bonded in a 4-coordinate geometry to one Ba(1), two equivalent Mn(1), and one Fe(1) atom. In the third O site, O(5) is bonded in a 3-coordinate geometry to one Ba(1), one Mn(1), one Mn(2), and one Fe(2) atom. In the fourth O site, O(6) is bonded in a 4-coordinate geometry to one Ba(1), two equivalent Mn(1), and one Fe(2) atom. In the fifth O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Mn(2), two equivalent Mn(1), and one Fe(3) atom. In the sixth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mn(2), two equivalent Mn(1), and one Fe(3) atom. In the seventh O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Ba(1), one Fe(1), one Fe(2), and one Fe(3) atom. In the eighth O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Ba(1), one Fe(1), one Fe(2), and one Fe(3) atom. is represented by the CIF file [CIF]
data_BaMn3Fe3O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.962
_cell_length_b   5.962
_cell_length_c   13.488
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   121.158
_symmetry_Int_Tables_number   1
_cell_volume   410.273
_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
  Ba  Ba0  1  0.666  0.334  0.251  1.0
  Ba  Ba1  1  0.334  0.666  0.751  1.0
  Mn  Mn2  1  0.001  0.501  0.499  1.0
  Mn  Mn3  1  0.499  0.501  0.499  1.0
  Mn  Mn4  1  0.499  0.999  0.499  1.0
  Mn  Mn5  1  0.999  0.499  0.999  1.0
  Mn  Mn6  1  0.501  0.499  0.999  1.0
  Mn  Mn7  1  0.501  0.001  0.999  1.0
  Fe  Fe8  1  0.002  0.998  0.356  1.0
  Fe  Fe9  1  0.997  0.003  0.643  1.0
  Fe  Fe10  1  0.998  0.002  0.856  1.0
  Fe  Fe11  1  0.003  0.997  0.143  1.0
  Fe  Fe12  1  0.671  0.329  0.740  1.0
  Fe  Fe13  1  0.329  0.671  0.240  1.0
  O  O14  1  0.301  0.153  0.749  1.0
  O  O15  1  0.854  0.146  0.749  1.0
  O  O16  1  0.847  0.699  0.749  1.0
  O  O17  1  0.699  0.847  0.249  1.0
  O  O18  1  0.146  0.854  0.249  1.0
  O  O19  1  0.153  0.301  0.249  1.0
  O  O20  1  0.352  0.172  0.424  1.0
  O  O21  1  0.824  0.176  0.422  1.0
  O  O22  1  0.828  0.648  0.424  1.0
  O  O23  1  0.647  0.829  0.575  1.0
  O  O24  1  0.177  0.823  0.577  1.0
  O  O25  1  0.171  0.353  0.575  1.0
  O  O26  1  0.648  0.828  0.924  1.0
  O  O27  1  0.176  0.824  0.922  1.0
  O  O28  1  0.172  0.352  0.924  1.0
  O  O29  1  0.353  0.171  0.075  1.0
  O  O30  1  0.823  0.177  0.077  1.0
  O  O31  1  0.829  0.647  0.075  1.0
  O  O32  1  0.683  0.317  0.918  1.0
  O  O33  1  0.319  0.681  0.082  1.0
  O  O34  1  0.317  0.683  0.418  1.0
  O  O35  1  0.681  0.319  0.582  1.0
[/CIF]
.
The compound described by BaMn3Fe3O11 crystallizes in the orthorhombic Cmc2_1 space group. Ba(1) is bonded to one O(4), one O(6), two equivalent O(2), two equivalent O(3), two equivalent O(5), and four equivalent O(1) atoms to form distorted BaO12 cuboctahedra that share corners with six equivalent Ba(1)O12 cuboctahedra, edges with two equivalent Mn(2)O6 octahedra, edges with four equivalent Mn(1)O6 octahedra, edges with three equivalent Fe(3)O5 trigonal bipyramids, faces with three equivalent Fe(1)O6 octahedra, and faces with three equivalent Fe(2)O6 octahedra. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O5 trigonal bipyramids, edges with two equivalent Ba(1)O12 cuboctahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-54°. In the second Mn site, Mn(2) is bonded to one O(7), one O(8), two equivalent O(3), and two equivalent O(5) atoms to form MnO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O5 trigonal bipyramids, edges with two equivalent Ba(1)O12 cuboctahedra, and edges with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 56°. There are three inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form FeO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, corners with three equivalent Fe(3)O5 trigonal bipyramids, faces with three equivalent Ba(1)O12 cuboctahedra, and  a faceface with one Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-56°. In the second Fe site, Fe(2) is bonded to one O(2), one O(6), two equivalent O(1), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, corners with three equivalent Fe(3)O5 trigonal bipyramids, faces with three equivalent Ba(1)O12 cuboctahedra, and  a faceface with one Fe(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 53-56°. In the third Fe site, Fe(3) is bonded to one O(2), one O(7), one O(8), and two equivalent O(1) atoms to form distorted FeO5 trigonal bipyramids that share corners with two equivalent Mn(2)O6 octahedra, corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra, corners with four equivalent Mn(1)O6 octahedra, and edges with three equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 40-63°. There are eight inequivalent O sites. In the first O site, O(3) is bonded in a 3-coordinate geometry to one Ba(1), one Mn(1), one Mn(2), and one Fe(1) atom. In the second O site, O(4) is bonded in a 4-coordinate geometry to one Ba(1), two equivalent Mn(1), and one Fe(1) atom. In the third O site, O(5) is bonded in a 3-coordinate geometry to one Ba(1), one Mn(1), one Mn(2), and one Fe(2) atom. In the fourth O site, O(6) is bonded in a 4-coordinate geometry to one Ba(1), two equivalent Mn(1), and one Fe(2) atom. In the fifth O site, O(7) is bonded in a distorted rectangular see-saw-like geometry to one Mn(2), two equivalent Mn(1), and one Fe(3) atom. In the sixth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Mn(2), two equivalent Mn(1), and one Fe(3) atom. In the seventh O site, O(1) is bonded in a 3-coordinate geometry to two equivalent Ba(1), one Fe(1), one Fe(2), and one Fe(3) atom. In the eighth O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Ba(1), one Fe(1), one Fe(2), and one Fe(3) atom. is represented by the CIF file [CIF]
data_BaMn3Fe3O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.962
_cell_length_b   5.962
_cell_length_c   13.488
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   121.158
_symmetry_Int_Tables_number   1
_cell_volume   410.273
_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
  Ba  Ba0  1  0.666  0.334  0.251  1.0
  Ba  Ba1  1  0.334  0.666  0.751  1.0
  Mn  Mn2  1  0.001  0.501  0.499  1.0
  Mn  Mn3  1  0.499  0.501  0.499  1.0
  Mn  Mn4  1  0.499  0.999  0.499  1.0
  Mn  Mn5  1  0.999  0.499  0.999  1.0
  Mn  Mn6  1  0.501  0.499  0.999  1.0
  Mn  Mn7  1  0.501  0.001  0.999  1.0
  Fe  Fe8  1  0.002  0.998  0.356  1.0
  Fe  Fe9  1  0.997  0.003  0.643  1.0
  Fe  Fe10  1  0.998  0.002  0.856  1.0
  Fe  Fe11  1  0.003  0.997  0.143  1.0
  Fe  Fe12  1  0.671  0.329  0.740  1.0
  Fe  Fe13  1  0.329  0.671  0.240  1.0
  O  O14  1  0.301  0.153  0.749  1.0
  O  O15  1  0.854  0.146  0.749  1.0
  O  O16  1  0.847  0.699  0.749  1.0
  O  O17  1  0.699  0.847  0.249  1.0
  O  O18  1  0.146  0.854  0.249  1.0
  O  O19  1  0.153  0.301  0.249  1.0
  O  O20  1  0.352  0.172  0.424  1.0
  O  O21  1  0.824  0.176  0.422  1.0
  O  O22  1  0.828  0.648  0.424  1.0
  O  O23  1  0.647  0.829  0.575  1.0
  O  O24  1  0.177  0.823  0.577  1.0
  O  O25  1  0.171  0.353  0.575  1.0
  O  O26  1  0.648  0.828  0.924  1.0
  O  O27  1  0.176  0.824  0.922  1.0
  O  O28  1  0.172  0.352  0.924  1.0
  O  O29  1  0.353  0.171  0.075  1.0
  O  O30  1  0.823  0.177  0.077  1.0
  O  O31  1  0.829  0.647  0.075  1.0
  O  O32  1  0.683  0.317  0.918  1.0
  O  O33  1  0.319  0.681  0.082  1.0
  O  O34  1  0.317  0.683  0.418  1.0
  O  O35  1  0.681  0.319  0.582  1.0
[/CIF]
.