The material structure described by EuSm(CoO3)2 is (Cubic) Perovskite-derived structured and crystallizes in the tetragonal P4/mmm space group. There are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded to four equivalent O(1), four equivalent O(3), and four equivalent O(4) atoms to form EuO12 cuboctahedra that share corners with four equivalent Eu(1)O12 cuboctahedra, corners with four equivalent Eu(3)O12 cuboctahedra, corners with four equivalent Sm(2)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, faces with two equivalent Sm(1)O12 cuboctahedra, faces with two equivalent Sm(3)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. In the second Eu site, Eu(2) is bonded to four equivalent O(1) and eight equivalent O(4) atoms to form EuO12 cuboctahedra that share corners with four equivalent Sm(3)O12 cuboctahedra, corners with eight equivalent Sm(1)O12 cuboctahedra, faces with two equivalent Sm(2)O12 cuboctahedra, faces with four equivalent Eu(1)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. In the third Eu site, Eu(3) is bonded to four equivalent O(2) and eight equivalent O(3) atoms to form EuO12 cuboctahedra that share corners with four equivalent Sm(2)O12 cuboctahedra, corners with eight equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Sm(3)O12 cuboctahedra, faces with four equivalent Sm(1)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded to four equivalent O(2), four equivalent O(3), and four equivalent O(4) atoms to form SmO12 cuboctahedra that share corners with four equivalent Eu(2)O12 cuboctahedra, corners with four equivalent Sm(1)O12 cuboctahedra, corners with four equivalent Sm(3)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Eu(3)O12 cuboctahedra, faces with two equivalent Sm(2)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. In the second Sm site, Sm(2) is bonded to four equivalent O(2) and eight equivalent O(4) atoms to form SmO12 cuboctahedra that share corners with four equivalent Eu(3)O12 cuboctahedra, corners with eight equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, faces with four equivalent Sm(1)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. In the third Sm site, Sm(3) is bonded to four equivalent O(1) and eight equivalent O(3) atoms to form SmO12 cuboctahedra that share corners with four equivalent Eu(2)O12 cuboctahedra, corners with eight equivalent Sm(1)O12 cuboctahedra, faces with two equivalent Eu(3)O12 cuboctahedra, faces with four equivalent Eu(1)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. Co(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with six equivalent Co(1)O6 octahedra,  a faceface with one Eu(2)O12 cuboctahedra,  a faceface with one Eu(3)O12 cuboctahedra,  a faceface with one Sm(2)O12 cuboctahedra,  a faceface with one Sm(3)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, and faces with two equivalent Sm(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-3°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Eu(2), two equivalent Eu(1), one Sm(3), and two equivalent Co(1) atoms to form distorted OSmEu3Co2 octahedra that share corners with two equivalent O(2)Sm3EuCo2 octahedra, corners with four equivalent O(1)SmEu3Co2 octahedra, and edges with four equivalent O(1)SmEu3Co2 octahedra. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to one Eu(3), one Sm(2), two equivalent Sm(1), and two equivalent Co(1) atoms to form distorted OSm3EuCo2 octahedra that share corners with two equivalent O(1)SmEu3Co2 octahedra, corners with four equivalent O(2)Sm3EuCo2 octahedra, and edges with four equivalent O(2)Sm3EuCo2 octahedra. The corner-sharing octahedra are not tilted. In the third O site, O(3) is bonded in a distorted linear geometry to one Eu(1), one Eu(3), one Sm(1), one Sm(3), and two equivalent Co(1) atoms. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Eu(1), one Eu(2), one Sm(1), one Sm(2), and two equivalent Co(1) atoms. is represented by the CIF card [CIF]
data_SmEu(CoO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.893
_cell_length_b   7.893
_cell_length_c   7.998
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   498.300
_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
  Sm  Sm0  1  0.000  0.500  0.500  1.0
  Sm  Sm1  1  0.000  0.000  0.500  1.0
  Sm  Sm2  1  0.500  0.500  0.000  1.0
  Sm  Sm3  1  0.500  0.000  0.500  1.0
  Eu  Eu4  1  0.000  0.500  0.000  1.0
  Eu  Eu5  1  0.000  0.000  0.000  1.0
  Eu  Eu6  1  0.500  0.500  0.500  1.0
  Eu  Eu7  1  0.500  0.000  0.000  1.0
  Co  Co8  1  0.248  0.248  0.752  1.0
  Co  Co9  1  0.248  0.248  0.248  1.0
  Co  Co10  1  0.248  0.752  0.752  1.0
  Co  Co11  1  0.248  0.752  0.248  1.0
  Co  Co12  1  0.752  0.248  0.752  1.0
  Co  Co13  1  0.752  0.248  0.248  1.0
  Co  Co14  1  0.752  0.752  0.752  1.0
  Co  Co15  1  0.752  0.752  0.248  1.0
  O  O16  1  0.250  0.250  0.000  1.0
  O  O17  1  0.247  0.247  0.500  1.0
  O  O18  1  0.250  0.750  0.000  1.0
  O  O19  1  0.247  0.753  0.500  1.0
  O  O20  1  0.750  0.250  0.000  1.0
  O  O21  1  0.753  0.247  0.500  1.0
  O  O22  1  0.750  0.750  0.000  1.0
  O  O23  1  0.753  0.753  0.500  1.0
  O  O24  1  0.500  0.250  0.751  1.0
  O  O25  1  0.500  0.250  0.249  1.0
  O  O26  1  0.500  0.750  0.751  1.0
  O  O27  1  0.500  0.750  0.249  1.0
  O  O28  1  0.000  0.246  0.747  1.0
  O  O29  1  0.000  0.246  0.253  1.0
  O  O30  1  0.000  0.754  0.747  1.0
  O  O31  1  0.000  0.754  0.253  1.0
  O  O32  1  0.246  0.000  0.747  1.0
  O  O33  1  0.246  0.000  0.253  1.0
  O  O34  1  0.250  0.500  0.751  1.0
  O  O35  1  0.250  0.500  0.249  1.0
  O  O36  1  0.754  0.000  0.747  1.0
  O  O37  1  0.754  0.000  0.253  1.0
  O  O38  1  0.750  0.500  0.751  1.0
  O  O39  1  0.750  0.500  0.249  1.0
[/CIF]
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The material structure described by EuSm(CoO3)2 is (Cubic) Perovskite-derived structured and crystallizes in the tetragonal P4/mmm space group. There are three inequivalent Eu sites. In the first Eu site, Eu(1) is bonded to four equivalent O(1), four equivalent O(3), and four equivalent O(4) atoms to form EuO12 cuboctahedra that share corners with four equivalent Eu(1)O12 cuboctahedra, corners with four equivalent Eu(3)O12 cuboctahedra, corners with four equivalent Sm(2)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, faces with two equivalent Sm(1)O12 cuboctahedra, faces with two equivalent Sm(3)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. In the second Eu site, Eu(2) is bonded to four equivalent O(1) and eight equivalent O(4) atoms to form EuO12 cuboctahedra that share corners with four equivalent Sm(3)O12 cuboctahedra, corners with eight equivalent Sm(1)O12 cuboctahedra, faces with two equivalent Sm(2)O12 cuboctahedra, faces with four equivalent Eu(1)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. In the third Eu site, Eu(3) is bonded to four equivalent O(2) and eight equivalent O(3) atoms to form EuO12 cuboctahedra that share corners with four equivalent Sm(2)O12 cuboctahedra, corners with eight equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Sm(3)O12 cuboctahedra, faces with four equivalent Sm(1)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. There are three inequivalent Sm sites. In the first Sm site, Sm(1) is bonded to four equivalent O(2), four equivalent O(3), and four equivalent O(4) atoms to form SmO12 cuboctahedra that share corners with four equivalent Eu(2)O12 cuboctahedra, corners with four equivalent Sm(1)O12 cuboctahedra, corners with four equivalent Sm(3)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Eu(3)O12 cuboctahedra, faces with two equivalent Sm(2)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. In the second Sm site, Sm(2) is bonded to four equivalent O(2) and eight equivalent O(4) atoms to form SmO12 cuboctahedra that share corners with four equivalent Eu(3)O12 cuboctahedra, corners with eight equivalent Eu(1)O12 cuboctahedra, faces with two equivalent Eu(2)O12 cuboctahedra, faces with four equivalent Sm(1)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. In the third Sm site, Sm(3) is bonded to four equivalent O(1) and eight equivalent O(3) atoms to form SmO12 cuboctahedra that share corners with four equivalent Eu(2)O12 cuboctahedra, corners with eight equivalent Sm(1)O12 cuboctahedra, faces with two equivalent Eu(3)O12 cuboctahedra, faces with four equivalent Eu(1)O12 cuboctahedra, and faces with eight equivalent Co(1)O6 octahedra. Co(1) is bonded to one O(1), one O(2), two equivalent O(3), and two equivalent O(4) atoms to form CoO6 octahedra that share corners with six equivalent Co(1)O6 octahedra,  a faceface with one Eu(2)O12 cuboctahedra,  a faceface with one Eu(3)O12 cuboctahedra,  a faceface with one Sm(2)O12 cuboctahedra,  a faceface with one Sm(3)O12 cuboctahedra, faces with two equivalent Eu(1)O12 cuboctahedra, and faces with two equivalent Sm(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-3°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Eu(2), two equivalent Eu(1), one Sm(3), and two equivalent Co(1) atoms to form distorted OSmEu3Co2 octahedra that share corners with two equivalent O(2)Sm3EuCo2 octahedra, corners with four equivalent O(1)SmEu3Co2 octahedra, and edges with four equivalent O(1)SmEu3Co2 octahedra. The corner-sharing octahedra are not tilted. In the second O site, O(2) is bonded to one Eu(3), one Sm(2), two equivalent Sm(1), and two equivalent Co(1) atoms to form distorted OSm3EuCo2 octahedra that share corners with two equivalent O(1)SmEu3Co2 octahedra, corners with four equivalent O(2)Sm3EuCo2 octahedra, and edges with four equivalent O(2)Sm3EuCo2 octahedra. The corner-sharing octahedra are not tilted. In the third O site, O(3) is bonded in a distorted linear geometry to one Eu(1), one Eu(3), one Sm(1), one Sm(3), and two equivalent Co(1) atoms. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Eu(1), one Eu(2), one Sm(1), one Sm(2), and two equivalent Co(1) atoms. is represented by the CIF card [CIF]
data_SmEu(CoO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.893
_cell_length_b   7.893
_cell_length_c   7.998
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   498.300
_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
  Sm  Sm0  1  0.000  0.500  0.500  1.0
  Sm  Sm1  1  0.000  0.000  0.500  1.0
  Sm  Sm2  1  0.500  0.500  0.000  1.0
  Sm  Sm3  1  0.500  0.000  0.500  1.0
  Eu  Eu4  1  0.000  0.500  0.000  1.0
  Eu  Eu5  1  0.000  0.000  0.000  1.0
  Eu  Eu6  1  0.500  0.500  0.500  1.0
  Eu  Eu7  1  0.500  0.000  0.000  1.0
  Co  Co8  1  0.248  0.248  0.752  1.0
  Co  Co9  1  0.248  0.248  0.248  1.0
  Co  Co10  1  0.248  0.752  0.752  1.0
  Co  Co11  1  0.248  0.752  0.248  1.0
  Co  Co12  1  0.752  0.248  0.752  1.0
  Co  Co13  1  0.752  0.248  0.248  1.0
  Co  Co14  1  0.752  0.752  0.752  1.0
  Co  Co15  1  0.752  0.752  0.248  1.0
  O  O16  1  0.250  0.250  0.000  1.0
  O  O17  1  0.247  0.247  0.500  1.0
  O  O18  1  0.250  0.750  0.000  1.0
  O  O19  1  0.247  0.753  0.500  1.0
  O  O20  1  0.750  0.250  0.000  1.0
  O  O21  1  0.753  0.247  0.500  1.0
  O  O22  1  0.750  0.750  0.000  1.0
  O  O23  1  0.753  0.753  0.500  1.0
  O  O24  1  0.500  0.250  0.751  1.0
  O  O25  1  0.500  0.250  0.249  1.0
  O  O26  1  0.500  0.750  0.751  1.0
  O  O27  1  0.500  0.750  0.249  1.0
  O  O28  1  0.000  0.246  0.747  1.0
  O  O29  1  0.000  0.246  0.253  1.0
  O  O30  1  0.000  0.754  0.747  1.0
  O  O31  1  0.000  0.754  0.253  1.0
  O  O32  1  0.246  0.000  0.747  1.0
  O  O33  1  0.246  0.000  0.253  1.0
  O  O34  1  0.250  0.500  0.751  1.0
  O  O35  1  0.250  0.500  0.249  1.0
  O  O36  1  0.754  0.000  0.747  1.0
  O  O37  1  0.754  0.000  0.253  1.0
  O  O38  1  0.750  0.500  0.751  1.0
  O  O39  1  0.750  0.500  0.249  1.0
[/CIF]
.