The compound described by SrTbEuCoO6 is Orthorhombic Perovskite-derived structured and crystallizes in the orthorhombic P222 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(5) atoms. In the second Sr site, Sr(2) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(6) atoms. In the third Sr site, Sr(3) is bonded in a distorted square co-planar geometry to four equivalent O(4) atoms. In the fourth Sr site, Sr(4) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(2) atoms. Tb(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form TbO6 octahedra that share corners with six equivalent Co(1)O6 octahedra,  a faceface with one Eu(3)O12 cuboctahedra, and  a faceface with one Eu(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 12-16°. There are four inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(3) and four equivalent O(5) atoms. In the second Eu site, Eu(2) is bonded in a distorted square co-planar geometry to four equivalent O(1) and four equivalent O(6) atoms. In the third Eu site, Eu(3) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form EuO12 cuboctahedra that share faces with four equivalent Tb(1)O6 octahedra and faces with four equivalent Co(1)O6 octahedra. In the fourth Eu site, Eu(4) is bonded to four equivalent O(4), four equivalent O(5), and four equivalent O(6) atoms to form distorted EuO12 cuboctahedra that share faces with four equivalent Tb(1)O6 octahedra and faces with four equivalent Co(1)O6 octahedra. Co(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form CoO6 octahedra that share corners with six equivalent Tb(1)O6 octahedra,  a faceface with one Eu(3)O12 cuboctahedra, and  a faceface with one Eu(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 12-16°. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one Tb(1), one Eu(1), one Eu(4), and one Co(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Sr(2), one Tb(1), one Eu(2), one Eu(4), and one Co(1) atom. In the third O site, O(1) is bonded in a 3-coordinate geometry to one Tb(1), one Eu(2), one Eu(3), and one Co(1) atom. In the fourth O site, O(2) is bonded in a 2-coordinate geometry to one Sr(4), one Tb(1), one Eu(3), and one Co(1) atom. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to one Tb(1), one Eu(1), one Eu(3), and one Co(1) atom. In the sixth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(3), one Tb(1), one Eu(4), and one Co(1) atom. is represented by the CIF file [CIF]
data_SrTbEuCoO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.386
_cell_length_b   9.357
_cell_length_c   9.412
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   826.611
_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
  Sr  Sr0  1  0.000  0.500  0.500  1.0
  Sr  Sr1  1  0.500  0.000  0.500  1.0
  Sr  Sr2  1  0.500  0.500  0.000  1.0
  Sr  Sr3  1  0.500  0.000  0.000  1.0
  Tb  Tb4  1  0.251  0.249  0.250  1.0
  Tb  Tb5  1  0.749  0.751  0.250  1.0
  Tb  Tb6  1  0.749  0.249  0.750  1.0
  Tb  Tb7  1  0.251  0.751  0.750  1.0
  Eu  Eu8  1  0.000  0.500  0.000  1.0
  Eu  Eu9  1  0.000  0.000  0.500  1.0
  Eu  Eu10  1  0.000  0.000  0.000  1.0
  Eu  Eu11  1  0.500  0.500  0.500  1.0
  Co  Co12  1  0.746  0.751  0.749  1.0
  Co  Co13  1  0.254  0.249  0.749  1.0
  Co  Co14  1  0.254  0.751  0.251  1.0
  Co  Co15  1  0.746  0.249  0.251  1.0
  O  O16  1  0.980  0.226  0.270  1.0
  O  O17  1  0.020  0.774  0.270  1.0
  O  O18  1  0.020  0.226  0.730  1.0
  O  O19  1  0.980  0.774  0.730  1.0
  O  O20  1  0.266  0.979  0.229  1.0
  O  O21  1  0.266  0.021  0.771  1.0
  O  O22  1  0.734  0.021  0.229  1.0
  O  O23  1  0.734  0.979  0.771  1.0
  O  O24  1  0.224  0.272  0.979  1.0
  O  O25  1  0.776  0.272  0.021  1.0
  O  O26  1  0.224  0.728  0.021  1.0
  O  O27  1  0.776  0.728  0.979  1.0
  O  O28  1  0.522  0.272  0.232  1.0
  O  O29  1  0.478  0.728  0.232  1.0
  O  O30  1  0.478  0.272  0.768  1.0
  O  O31  1  0.522  0.728  0.768  1.0
  O  O32  1  0.230  0.521  0.270  1.0
  O  O33  1  0.230  0.479  0.730  1.0
  O  O34  1  0.770  0.479  0.270  1.0
  O  O35  1  0.770  0.521  0.730  1.0
  O  O36  1  0.270  0.230  0.521  1.0
  O  O37  1  0.730  0.230  0.479  1.0
  O  O38  1  0.270  0.770  0.479  1.0
  O  O39  1  0.730  0.770  0.521  1.0
[/CIF]
.
The compound described by SrTbEuCoO6 is Orthorhombic Perovskite-derived structured and crystallizes in the orthorhombic P222 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(5) atoms. In the second Sr site, Sr(2) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(6) atoms. In the third Sr site, Sr(3) is bonded in a distorted square co-planar geometry to four equivalent O(4) atoms. In the fourth Sr site, Sr(4) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(2) atoms. Tb(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form TbO6 octahedra that share corners with six equivalent Co(1)O6 octahedra,  a faceface with one Eu(3)O12 cuboctahedra, and  a faceface with one Eu(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 12-16°. There are four inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a distorted rectangular see-saw-like geometry to four equivalent O(3) and four equivalent O(5) atoms. In the second Eu site, Eu(2) is bonded in a distorted square co-planar geometry to four equivalent O(1) and four equivalent O(6) atoms. In the third Eu site, Eu(3) is bonded to four equivalent O(1), four equivalent O(2), and four equivalent O(3) atoms to form EuO12 cuboctahedra that share faces with four equivalent Tb(1)O6 octahedra and faces with four equivalent Co(1)O6 octahedra. In the fourth Eu site, Eu(4) is bonded to four equivalent O(4), four equivalent O(5), and four equivalent O(6) atoms to form distorted EuO12 cuboctahedra that share faces with four equivalent Tb(1)O6 octahedra and faces with four equivalent Co(1)O6 octahedra. Co(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form CoO6 octahedra that share corners with six equivalent Tb(1)O6 octahedra,  a faceface with one Eu(3)O12 cuboctahedra, and  a faceface with one Eu(4)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 12-16°. There are six inequivalent O sites. In the first O site, O(5) is bonded in a 3-coordinate geometry to one Sr(1), one Tb(1), one Eu(1), one Eu(4), and one Co(1) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Sr(2), one Tb(1), one Eu(2), one Eu(4), and one Co(1) atom. In the third O site, O(1) is bonded in a 3-coordinate geometry to one Tb(1), one Eu(2), one Eu(3), and one Co(1) atom. In the fourth O site, O(2) is bonded in a 2-coordinate geometry to one Sr(4), one Tb(1), one Eu(3), and one Co(1) atom. In the fifth O site, O(3) is bonded in a 3-coordinate geometry to one Tb(1), one Eu(1), one Eu(3), and one Co(1) atom. In the sixth O site, O(4) is bonded in a 3-coordinate geometry to one Sr(3), one Tb(1), one Eu(4), and one Co(1) atom. is represented by the CIF file [CIF]
data_SrTbEuCoO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.386
_cell_length_b   9.357
_cell_length_c   9.412
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   826.611
_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
  Sr  Sr0  1  0.000  0.500  0.500  1.0
  Sr  Sr1  1  0.500  0.000  0.500  1.0
  Sr  Sr2  1  0.500  0.500  0.000  1.0
  Sr  Sr3  1  0.500  0.000  0.000  1.0
  Tb  Tb4  1  0.251  0.249  0.250  1.0
  Tb  Tb5  1  0.749  0.751  0.250  1.0
  Tb  Tb6  1  0.749  0.249  0.750  1.0
  Tb  Tb7  1  0.251  0.751  0.750  1.0
  Eu  Eu8  1  0.000  0.500  0.000  1.0
  Eu  Eu9  1  0.000  0.000  0.500  1.0
  Eu  Eu10  1  0.000  0.000  0.000  1.0
  Eu  Eu11  1  0.500  0.500  0.500  1.0
  Co  Co12  1  0.746  0.751  0.749  1.0
  Co  Co13  1  0.254  0.249  0.749  1.0
  Co  Co14  1  0.254  0.751  0.251  1.0
  Co  Co15  1  0.746  0.249  0.251  1.0
  O  O16  1  0.980  0.226  0.270  1.0
  O  O17  1  0.020  0.774  0.270  1.0
  O  O18  1  0.020  0.226  0.730  1.0
  O  O19  1  0.980  0.774  0.730  1.0
  O  O20  1  0.266  0.979  0.229  1.0
  O  O21  1  0.266  0.021  0.771  1.0
  O  O22  1  0.734  0.021  0.229  1.0
  O  O23  1  0.734  0.979  0.771  1.0
  O  O24  1  0.224  0.272  0.979  1.0
  O  O25  1  0.776  0.272  0.021  1.0
  O  O26  1  0.224  0.728  0.021  1.0
  O  O27  1  0.776  0.728  0.979  1.0
  O  O28  1  0.522  0.272  0.232  1.0
  O  O29  1  0.478  0.728  0.232  1.0
  O  O30  1  0.478  0.272  0.768  1.0
  O  O31  1  0.522  0.728  0.768  1.0
  O  O32  1  0.230  0.521  0.270  1.0
  O  O33  1  0.230  0.479  0.730  1.0
  O  O34  1  0.770  0.479  0.270  1.0
  O  O35  1  0.770  0.521  0.730  1.0
  O  O36  1  0.270  0.230  0.521  1.0
  O  O37  1  0.730  0.230  0.479  1.0
  O  O38  1  0.270  0.770  0.479  1.0
  O  O39  1  0.730  0.770  0.521  1.0
[/CIF]
.