The crystal structure described by BaEu(WO3)2 is (Cubic) Perovskite-derived structured and crystallizes in the tetragonal P4_2/mmc space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Eu(1)O12 cuboctahedra, corners with four equivalent Eu(2)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, and faces with eight equivalent W(1)O6 octahedra. In the second Ba site, Ba(2) is bonded to four equivalent O(3) and eight equivalent O(2) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Eu(1)O12 cuboctahedra, corners with four equivalent Eu(2)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, and faces with eight equivalent W(1)O6 octahedra. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded to four equivalent O(3) and eight equivalent O(1) atoms to form EuO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Eu(2)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, and faces with eight equivalent W(1)O6 octahedra. In the second Eu site, Eu(2) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form EuO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, and faces with eight equivalent W(1)O6 octahedra. W(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form WO6 octahedra that share corners with six equivalent W(1)O6 octahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, and faces with two equivalent Eu(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-5°. There are three inequivalent O sites. In the first O site, O(3) is bonded to one Ba(1), one Ba(2), one Eu(1), one Eu(2), and two equivalent W(1) atoms to form distorted OBa2Eu2W2 octahedra that share corners with six equivalent O(3)Ba2Eu2W2 octahedra, corners with eight equivalent O(2)Ba3EuW2 octahedra, corners with eight equivalent O(1)BaEu3W2 octahedra, edges with four equivalent O(3)Ba2Eu2W2 octahedra, faces with four equivalent O(2)Ba3EuW2 octahedra, and faces with four equivalent O(1)BaEu3W2 octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the second O site, O(1) is bonded to one Ba(1), one Eu(2), two equivalent Eu(1), and two equivalent W(1) atoms to form distorted OBaEu3W2 octahedra that share corners with six equivalent O(2)Ba3EuW2 octahedra, corners with eight equivalent O(3)Ba2Eu2W2 octahedra, corners with eight equivalent O(1)BaEu3W2 octahedra, edges with four equivalent O(1)BaEu3W2 octahedra, faces with two equivalent O(2)Ba3EuW2 octahedra, faces with two equivalent O(1)BaEu3W2 octahedra, and faces with four equivalent O(3)Ba2Eu2W2 octahedra. The corner-sharing octahedral tilt angles range from 0-62°. In the third O site, O(2) is bonded to one Ba(1), two equivalent Ba(2), one Eu(2), and two equivalent W(1) atoms to form distorted OBa3EuW2 octahedra that share corners with six equivalent O(1)BaEu3W2 octahedra, corners with eight equivalent O(3)Ba2Eu2W2 octahedra, corners with eight equivalent O(2)Ba3EuW2 octahedra, edges with four equivalent O(2)Ba3EuW2 octahedra, faces with two equivalent O(2)Ba3EuW2 octahedra, faces with two equivalent O(1)BaEu3W2 octahedra, and faces with four equivalent O(3)Ba2Eu2W2 octahedra. The corner-sharing octahedral tilt angles range from 0-62°. is represented by the CIF file [CIF]
data_BaEu(WO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.323
_cell_length_b   8.323
_cell_length_c   8.191
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   567.374
_cell_formula_units_Z   4
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  0.000  0.500  0.000  1.0
  Ba  Ba1  1  0.500  0.500  0.000  1.0
  Ba  Ba2  1  0.500  0.000  0.500  1.0
  Ba  Ba3  1  0.500  0.500  0.500  1.0
  Eu  Eu4  1  0.000  0.000  0.000  1.0
  Eu  Eu5  1  0.500  0.000  0.000  1.0
  Eu  Eu6  1  0.000  0.000  0.500  1.0
  Eu  Eu7  1  0.000  0.500  0.500  1.0
  W  W8  1  0.752  0.752  0.750  1.0
  W  W9  1  0.752  0.248  0.750  1.0
  W  W10  1  0.248  0.752  0.750  1.0
  W  W11  1  0.248  0.248  0.750  1.0
  W  W12  1  0.752  0.752  0.250  1.0
  W  W13  1  0.752  0.248  0.250  1.0
  W  W14  1  0.248  0.752  0.250  1.0
  W  W15  1  0.248  0.248  0.250  1.0
  O  O16  1  0.763  0.000  0.752  1.0
  O  O17  1  0.748  0.500  0.748  1.0
  O  O18  1  0.237  0.000  0.752  1.0
  O  O19  1  0.252  0.500  0.748  1.0
  O  O20  1  0.763  0.000  0.248  1.0
  O  O21  1  0.748  0.500  0.252  1.0
  O  O22  1  0.237  0.000  0.248  1.0
  O  O23  1  0.252  0.500  0.252  1.0
  O  O24  1  0.000  0.763  0.252  1.0
  O  O25  1  0.000  0.237  0.252  1.0
  O  O26  1  0.500  0.748  0.248  1.0
  O  O27  1  0.500  0.252  0.248  1.0
  O  O28  1  0.000  0.763  0.748  1.0
  O  O29  1  0.000  0.237  0.748  1.0
  O  O30  1  0.500  0.748  0.752  1.0
  O  O31  1  0.500  0.252  0.752  1.0
  O  O32  1  0.751  0.756  0.000  1.0
  O  O33  1  0.751  0.244  0.000  1.0
  O  O34  1  0.249  0.756  0.000  1.0
  O  O35  1  0.249  0.244  0.000  1.0
  O  O36  1  0.756  0.751  0.500  1.0
  O  O37  1  0.756  0.249  0.500  1.0
  O  O38  1  0.244  0.751  0.500  1.0
  O  O39  1  0.244  0.249  0.500  1.0
[/CIF]
.
The crystal structure described by BaEu(WO3)2 is (Cubic) Perovskite-derived structured and crystallizes in the tetragonal P4_2/mmc space group. There are two inequivalent Ba sites. In the first Ba site, Ba(1) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Eu(1)O12 cuboctahedra, corners with four equivalent Eu(2)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, and faces with eight equivalent W(1)O6 octahedra. In the second Ba site, Ba(2) is bonded to four equivalent O(3) and eight equivalent O(2) atoms to form BaO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Eu(1)O12 cuboctahedra, corners with four equivalent Eu(2)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, and faces with eight equivalent W(1)O6 octahedra. There are two inequivalent Eu sites. In the first Eu site, Eu(1) is bonded to four equivalent O(3) and eight equivalent O(1) atoms to form EuO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Eu(2)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, and faces with eight equivalent W(1)O6 octahedra. In the second Eu site, Eu(2) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form EuO12 cuboctahedra that share corners with four equivalent Ba(1)O12 cuboctahedra, corners with four equivalent Ba(2)O12 cuboctahedra, corners with four equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, and faces with eight equivalent W(1)O6 octahedra. W(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form WO6 octahedra that share corners with six equivalent W(1)O6 octahedra, faces with two equivalent Ba(1)O12 cuboctahedra, faces with two equivalent Ba(2)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, and faces with two equivalent Eu(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-5°. There are three inequivalent O sites. In the first O site, O(3) is bonded to one Ba(1), one Ba(2), one Eu(1), one Eu(2), and two equivalent W(1) atoms to form distorted OBa2Eu2W2 octahedra that share corners with six equivalent O(3)Ba2Eu2W2 octahedra, corners with eight equivalent O(2)Ba3EuW2 octahedra, corners with eight equivalent O(1)BaEu3W2 octahedra, edges with four equivalent O(3)Ba2Eu2W2 octahedra, faces with four equivalent O(2)Ba3EuW2 octahedra, and faces with four equivalent O(1)BaEu3W2 octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the second O site, O(1) is bonded to one Ba(1), one Eu(2), two equivalent Eu(1), and two equivalent W(1) atoms to form distorted OBaEu3W2 octahedra that share corners with six equivalent O(2)Ba3EuW2 octahedra, corners with eight equivalent O(3)Ba2Eu2W2 octahedra, corners with eight equivalent O(1)BaEu3W2 octahedra, edges with four equivalent O(1)BaEu3W2 octahedra, faces with two equivalent O(2)Ba3EuW2 octahedra, faces with two equivalent O(1)BaEu3W2 octahedra, and faces with four equivalent O(3)Ba2Eu2W2 octahedra. The corner-sharing octahedral tilt angles range from 0-62°. In the third O site, O(2) is bonded to one Ba(1), two equivalent Ba(2), one Eu(2), and two equivalent W(1) atoms to form distorted OBa3EuW2 octahedra that share corners with six equivalent O(1)BaEu3W2 octahedra, corners with eight equivalent O(3)Ba2Eu2W2 octahedra, corners with eight equivalent O(2)Ba3EuW2 octahedra, edges with four equivalent O(2)Ba3EuW2 octahedra, faces with two equivalent O(2)Ba3EuW2 octahedra, faces with two equivalent O(1)BaEu3W2 octahedra, and faces with four equivalent O(3)Ba2Eu2W2 octahedra. The corner-sharing octahedral tilt angles range from 0-62°. is represented by the CIF file [CIF]
data_BaEu(WO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.323
_cell_length_b   8.323
_cell_length_c   8.191
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   567.374
_cell_formula_units_Z   4
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  0.000  0.500  0.000  1.0
  Ba  Ba1  1  0.500  0.500  0.000  1.0
  Ba  Ba2  1  0.500  0.000  0.500  1.0
  Ba  Ba3  1  0.500  0.500  0.500  1.0
  Eu  Eu4  1  0.000  0.000  0.000  1.0
  Eu  Eu5  1  0.500  0.000  0.000  1.0
  Eu  Eu6  1  0.000  0.000  0.500  1.0
  Eu  Eu7  1  0.000  0.500  0.500  1.0
  W  W8  1  0.752  0.752  0.750  1.0
  W  W9  1  0.752  0.248  0.750  1.0
  W  W10  1  0.248  0.752  0.750  1.0
  W  W11  1  0.248  0.248  0.750  1.0
  W  W12  1  0.752  0.752  0.250  1.0
  W  W13  1  0.752  0.248  0.250  1.0
  W  W14  1  0.248  0.752  0.250  1.0
  W  W15  1  0.248  0.248  0.250  1.0
  O  O16  1  0.763  0.000  0.752  1.0
  O  O17  1  0.748  0.500  0.748  1.0
  O  O18  1  0.237  0.000  0.752  1.0
  O  O19  1  0.252  0.500  0.748  1.0
  O  O20  1  0.763  0.000  0.248  1.0
  O  O21  1  0.748  0.500  0.252  1.0
  O  O22  1  0.237  0.000  0.248  1.0
  O  O23  1  0.252  0.500  0.252  1.0
  O  O24  1  0.000  0.763  0.252  1.0
  O  O25  1  0.000  0.237  0.252  1.0
  O  O26  1  0.500  0.748  0.248  1.0
  O  O27  1  0.500  0.252  0.248  1.0
  O  O28  1  0.000  0.763  0.748  1.0
  O  O29  1  0.000  0.237  0.748  1.0
  O  O30  1  0.500  0.748  0.752  1.0
  O  O31  1  0.500  0.252  0.752  1.0
  O  O32  1  0.751  0.756  0.000  1.0
  O  O33  1  0.751  0.244  0.000  1.0
  O  O34  1  0.249  0.756  0.000  1.0
  O  O35  1  0.249  0.244  0.000  1.0
  O  O36  1  0.756  0.751  0.500  1.0
  O  O37  1  0.756  0.249  0.500  1.0
  O  O38  1  0.244  0.751  0.500  1.0
  O  O39  1  0.244  0.249  0.500  1.0
[/CIF]
.