The material structure described by Ba2Nd2Co4O11 crystallizes in the orthorhombic Pmm2 space group. Ba(1) is bonded to one O(2), one O(3), one O(7), one O(8), two equivalent O(1), two equivalent O(5), two equivalent O(6), and two equivalent O(9) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, faces with four equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Co(2)O6 octahedra, faces with two equivalent Co(3)O6 octahedra, faces with two equivalent Co(1)O5 square pyramids, and faces with two equivalent Co(4)O5 square pyramids. Nd(1) is bonded in a distorted q6 geometry to one O(2), one O(3), one O(7), one O(8), two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(6), two equivalent O(1), and two equivalent O(7) atoms to form CoO5 square pyramids that share corners with two equivalent Co(3)O6 octahedra,  a cornercorner with one Co(4)O5 square pyramid, corners with two equivalent Co(1)O5 square pyramids, and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 15°. In the second Co site, Co(2) is bonded to one O(4), one O(9), two equivalent O(2), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(4)O5 square pyramids, and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the third Co site, Co(3) is bonded to one O(4), one O(9), two equivalent O(1), and two equivalent O(3) atoms to form CoO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(1)O5 square pyramids, and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the fourth Co site, Co(4) is bonded to one O(6), two equivalent O(5), and two equivalent O(8) atoms to form CoO5 square pyramids that share corners with two equivalent Co(2)O6 octahedra,  a cornercorner with one Co(1)O5 square pyramid, corners with two equivalent Co(4)O5 square pyramids, and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 16°. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Nd(1), one Co(1), and one Co(3) atom. In the second O site, O(2) is bonded to two equivalent Ba(1), two equivalent Nd(1), and two equivalent Co(2) atoms to form distorted OBa2Nd2Co2 octahedra that share corners with two equivalent O(2)Ba2Nd2Co2 octahedra, corners with four equivalent O(6)Ba4Co2 octahedra, edges with two equivalent O(3)Ba2Nd2Co2 octahedra, and faces with two equivalent O(9)Ba4Co2 octahedra. The corner-sharing octahedral tilt angles range from 9-60°. In the third O site, O(3) is bonded to two equivalent Ba(1), two equivalent Nd(1), and two equivalent Co(3) atoms to form distorted OBa2Nd2Co2 octahedra that share corners with two equivalent O(3)Ba2Nd2Co2 octahedra, corners with four equivalent O(6)Ba4Co2 octahedra, edges with two equivalent O(2)Ba2Nd2Co2 octahedra, and faces with two equivalent O(9)Ba4Co2 octahedra. The corner-sharing octahedral tilt angles range from 7-61°. In the fourth O site, O(4) is bonded in a distorted linear geometry to four equivalent Nd(1), one Co(2), and one Co(3) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Nd(1), one Co(2), and one Co(4) atom. In the sixth O site, O(6) is bonded to four equivalent Ba(1), one Co(1), and one Co(4) atom to form OBa4Co2 octahedra that share corners with four equivalent O(2)Ba2Nd2Co2 octahedra, corners with four equivalent O(3)Ba2Nd2Co2 octahedra, corners with four equivalent O(9)Ba4Co2 octahedra, edges with two equivalent O(6)Ba4Co2 octahedra, and edges with two equivalent O(9)Ba4Co2 octahedra. The corner-sharing octahedral tilt angles range from 2-61°. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Nd(1), and two equivalent Co(1) atoms. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Nd(1), and two equivalent Co(4) atoms. In the ninth O site, O(9) is bonded to four equivalent Ba(1), one Co(2), and one Co(3) atom to form distorted OBa4Co2 octahedra that share corners with four equivalent O(6)Ba4Co2 octahedra, edges with two equivalent O(6)Ba4Co2 octahedra, edges with two equivalent O(9)Ba4Co2 octahedra, faces with two equivalent O(2)Ba2Nd2Co2 octahedra, and faces with two equivalent O(3)Ba2Nd2Co2 octahedra. The corner-sharing octahedral tilt angles are 2°. is represented by the CIF card [CIF]
data_Ba2Nd2Co4O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.952
_cell_length_b   7.658
_cell_length_c   8.006
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   242.306
_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  0.500  1.000  0.255  1.0
  Ba  Ba1  1  0.500  1.000  0.745  1.0
  Nd  Nd2  1  0.500  0.504  0.233  1.0
  Nd  Nd3  1  0.500  0.504  0.767  1.0
  Co  Co4  1  0.000  0.263  0.500  1.0
  Co  Co5  1  0.000  0.750  0.000  1.0
  Co  Co6  1  0.000  0.251  0.000  1.0
  Co  Co7  1  0.000  0.738  0.500  1.0
  O  O8  1  0.000  0.292  0.274  1.0
  O  O9  1  0.000  0.292  0.726  1.0
  O  O10  1  0.500  0.729  0.000  1.0
  O  O11  1  0.500  0.267  0.000  1.0
  O  O12  1  0.000  0.502  0.000  1.0
  O  O13  1  0.000  0.708  0.264  1.0
  O  O14  1  0.000  0.004  0.500  1.0
  O  O15  1  0.500  0.311  0.500  1.0
  O  O16  1  0.000  0.708  0.736  1.0
  O  O17  1  0.500  0.689  0.500  1.0
  O  O18  1  0.000  0.990  0.000  1.0
[/CIF]
.
The material structure described by Ba2Nd2Co4O11 crystallizes in the orthorhombic Pmm2 space group. Ba(1) is bonded to one O(2), one O(3), one O(7), one O(8), two equivalent O(1), two equivalent O(5), two equivalent O(6), and two equivalent O(9) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, faces with four equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Co(2)O6 octahedra, faces with two equivalent Co(3)O6 octahedra, faces with two equivalent Co(1)O5 square pyramids, and faces with two equivalent Co(4)O5 square pyramids. Nd(1) is bonded in a distorted q6 geometry to one O(2), one O(3), one O(7), one O(8), two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms. There are four inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(6), two equivalent O(1), and two equivalent O(7) atoms to form CoO5 square pyramids that share corners with two equivalent Co(3)O6 octahedra,  a cornercorner with one Co(4)O5 square pyramid, corners with two equivalent Co(1)O5 square pyramids, and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 15°. In the second Co site, Co(2) is bonded to one O(4), one O(9), two equivalent O(2), and two equivalent O(5) atoms to form CoO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(4)O5 square pyramids, and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the third Co site, Co(3) is bonded to one O(4), one O(9), two equivalent O(1), and two equivalent O(3) atoms to form CoO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with two equivalent Co(3)O6 octahedra, corners with two equivalent Co(1)O5 square pyramids, and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the fourth Co site, Co(4) is bonded to one O(6), two equivalent O(5), and two equivalent O(8) atoms to form CoO5 square pyramids that share corners with two equivalent Co(2)O6 octahedra,  a cornercorner with one Co(1)O5 square pyramid, corners with two equivalent Co(4)O5 square pyramids, and faces with four equivalent Ba(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 16°. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Nd(1), one Co(1), and one Co(3) atom. In the second O site, O(2) is bonded to two equivalent Ba(1), two equivalent Nd(1), and two equivalent Co(2) atoms to form distorted OBa2Nd2Co2 octahedra that share corners with two equivalent O(2)Ba2Nd2Co2 octahedra, corners with four equivalent O(6)Ba4Co2 octahedra, edges with two equivalent O(3)Ba2Nd2Co2 octahedra, and faces with two equivalent O(9)Ba4Co2 octahedra. The corner-sharing octahedral tilt angles range from 9-60°. In the third O site, O(3) is bonded to two equivalent Ba(1), two equivalent Nd(1), and two equivalent Co(3) atoms to form distorted OBa2Nd2Co2 octahedra that share corners with two equivalent O(3)Ba2Nd2Co2 octahedra, corners with four equivalent O(6)Ba4Co2 octahedra, edges with two equivalent O(2)Ba2Nd2Co2 octahedra, and faces with two equivalent O(9)Ba4Co2 octahedra. The corner-sharing octahedral tilt angles range from 7-61°. In the fourth O site, O(4) is bonded in a distorted linear geometry to four equivalent Nd(1), one Co(2), and one Co(3) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Nd(1), one Co(2), and one Co(4) atom. In the sixth O site, O(6) is bonded to four equivalent Ba(1), one Co(1), and one Co(4) atom to form OBa4Co2 octahedra that share corners with four equivalent O(2)Ba2Nd2Co2 octahedra, corners with four equivalent O(3)Ba2Nd2Co2 octahedra, corners with four equivalent O(9)Ba4Co2 octahedra, edges with two equivalent O(6)Ba4Co2 octahedra, and edges with two equivalent O(9)Ba4Co2 octahedra. The corner-sharing octahedral tilt angles range from 2-61°. In the seventh O site, O(7) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Nd(1), and two equivalent Co(1) atoms. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to two equivalent Ba(1), two equivalent Nd(1), and two equivalent Co(4) atoms. In the ninth O site, O(9) is bonded to four equivalent Ba(1), one Co(2), and one Co(3) atom to form distorted OBa4Co2 octahedra that share corners with four equivalent O(6)Ba4Co2 octahedra, edges with two equivalent O(6)Ba4Co2 octahedra, edges with two equivalent O(9)Ba4Co2 octahedra, faces with two equivalent O(2)Ba2Nd2Co2 octahedra, and faces with two equivalent O(3)Ba2Nd2Co2 octahedra. The corner-sharing octahedral tilt angles are 2°. is represented by the CIF card [CIF]
data_Ba2Nd2Co4O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.952
_cell_length_b   7.658
_cell_length_c   8.006
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   242.306
_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  0.500  1.000  0.255  1.0
  Ba  Ba1  1  0.500  1.000  0.745  1.0
  Nd  Nd2  1  0.500  0.504  0.233  1.0
  Nd  Nd3  1  0.500  0.504  0.767  1.0
  Co  Co4  1  0.000  0.263  0.500  1.0
  Co  Co5  1  0.000  0.750  0.000  1.0
  Co  Co6  1  0.000  0.251  0.000  1.0
  Co  Co7  1  0.000  0.738  0.500  1.0
  O  O8  1  0.000  0.292  0.274  1.0
  O  O9  1  0.000  0.292  0.726  1.0
  O  O10  1  0.500  0.729  0.000  1.0
  O  O11  1  0.500  0.267  0.000  1.0
  O  O12  1  0.000  0.502  0.000  1.0
  O  O13  1  0.000  0.708  0.264  1.0
  O  O14  1  0.000  0.004  0.500  1.0
  O  O15  1  0.500  0.311  0.500  1.0
  O  O16  1  0.000  0.708  0.736  1.0
  O  O17  1  0.500  0.689  0.500  1.0
  O  O18  1  0.000  0.990  0.000  1.0
[/CIF]
.