The material structure described by Sr2La3Fe4CoO15 is (Cubic) Perovskite-derived structured and crystallizes in the trigonal R3m space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to three equivalent O(1), three equivalent O(5), and six equivalent O(4) atoms to form SrO12 cuboctahedra that share corners with three equivalent Sr(2)O12 cuboctahedra, corners with three equivalent La(2)O12 cuboctahedra, corners with six equivalent Sr(1)O12 cuboctahedra, faces with three equivalent La(1)O12 cuboctahedra, faces with three equivalent La(3)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with three equivalent Fe(3)O6 octahedra, and faces with three equivalent Fe(4)O6 octahedra. In the second Sr site, Sr(2) is bonded to three equivalent O(3), three equivalent O(5), and six equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with three equivalent Sr(1)O12 cuboctahedra, corners with three equivalent La(3)O12 cuboctahedra, corners with six equivalent Sr(2)O12 cuboctahedra, faces with three equivalent La(1)O12 cuboctahedra, faces with three equivalent La(2)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra, faces with three equivalent Fe(1)O6 octahedra, and faces with three equivalent Co(1)O6 octahedra. There are three inequivalent La sites. In the first La site, La(1) is bonded to three equivalent O(2), three equivalent O(4), and six equivalent O(5) atoms to form LaO12 cuboctahedra that share corners with three equivalent La(2)O12 cuboctahedra, corners with three equivalent La(3)O12 cuboctahedra, corners with six equivalent La(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, faces with three equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with three equivalent Fe(4)O6 octahedra, and faces with three equivalent Co(1)O6 octahedra. In the second La site, La(2) is bonded to three equivalent O(1), three equivalent O(2), and six equivalent O(3) atoms to form LaO12 cuboctahedra that share corners with three equivalent Sr(1)O12 cuboctahedra, corners with three equivalent La(1)O12 cuboctahedra, corners with six equivalent La(2)O12 cuboctahedra, faces with three equivalent Sr(2)O12 cuboctahedra, faces with three equivalent La(3)O12 cuboctahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with three equivalent Fe(1)O6 octahedra, and faces with three equivalent Fe(2)O6 octahedra. In the third La site, La(3) is bonded to three equivalent O(3), three equivalent O(4), and six equivalent O(1) atoms to form LaO12 cuboctahedra that share corners with three equivalent Sr(2)O12 cuboctahedra, corners with three equivalent La(1)O12 cuboctahedra, corners with six equivalent La(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, faces with three equivalent La(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(4)O6 octahedra, faces with three equivalent Fe(2)O6 octahedra, and faces with three equivalent Fe(3)O6 octahedra. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to three equivalent O(2) and three equivalent O(3) atoms to form FeO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  a faceface with one La(1)O12 cuboctahedra,  a faceface with one La(3)O12 cuboctahedra, faces with three equivalent Sr(2)O12 cuboctahedra, and faces with three equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-5°. In the second Fe site, Fe(2) is bonded to three equivalent O(1) and three equivalent O(3) atoms to form FeO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(3)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with three equivalent La(2)O12 cuboctahedra, and faces with three equivalent La(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 3-5°. In the third Fe site, Fe(3) is bonded to three equivalent O(1) and three equivalent O(4) atoms to form FeO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra,  a faceface with one La(1)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent La(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 3°. In the fourth Fe site, Fe(4) is bonded to three equivalent O(4) and three equivalent O(5) atoms to form FeO6 octahedra that share corners with three equivalent Fe(3)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one La(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-3°. Co(1) is bonded to three equivalent O(2) and three equivalent O(5) atoms to form CoO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with three equivalent Sr(2)O12 cuboctahedra, and faces with three equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-2°. There are five inequivalent O sites. In the first O site, O(3) is bonded in a distorted linear geometry to one Sr(2), one La(3), two equivalent La(2), one Fe(1), and one Fe(2) atom. In the second O site, O(4) is bonded in a distorted linear geometry to two equivalent Sr(1), one La(1), one La(3), one Fe(3), and one Fe(4) atom. In the third O site, O(5) is bonded to one Sr(1), one Sr(2), two equivalent La(1), one Fe(4), and one Co(1) atom to form a mixture of distorted face, corner, and edge-sharing OSr2La2FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the fourth O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one La(2), two equivalent La(3), one Fe(2), and one Fe(3) atom. In the fifth O site, O(2) is bonded to two equivalent Sr(2), one La(1), one La(2), one Fe(1), and one Co(1) atom to form a mixture of distorted face, corner, and edge-sharing OSr2La2FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. is represented by the CIF file [CIF]
data_Sr2La3Fe4CoO15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.698
_cell_length_b   11.698
_cell_length_c   11.698
_cell_angle_alpha   27.253
_cell_angle_beta   27.253
_cell_angle_gamma   27.253
_symmetry_Int_Tables_number   1
_cell_volume   296.159
_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
  Sr  Sr0  1  0.702  0.702  0.702  1.0
  Sr  Sr1  1  0.498  0.498  0.498  1.0
  La  La2  1  0.102  0.102  0.102  1.0
  La  La3  1  0.897  0.897  0.897  1.0
  La  La4  1  0.301  0.301  0.301  1.0
  Fe  Fe5  1  0.198  0.198  0.198  1.0
  Fe  Fe6  1  0.600  0.600  0.600  1.0
  Fe  Fe7  1  0.001  0.001  0.001  1.0
  Fe  Fe8  1  0.402  0.402  0.402  1.0
  Co  Co9  1  0.800  0.800  0.800  1.0
  O  O10  1  0.802  0.802  0.293  1.0
  O  O11  1  0.997  0.997  0.506  1.0
  O  O12  1  0.399  0.399  0.907  1.0
  O  O13  1  0.200  0.200  0.698  1.0
  O  O14  1  0.603  0.603  0.095  1.0
  O  O15  1  0.293  0.802  0.802  1.0
  O  O16  1  0.506  0.997  0.997  1.0
  O  O17  1  0.907  0.399  0.399  1.0
  O  O18  1  0.698  0.200  0.200  1.0
  O  O19  1  0.095  0.603  0.603  1.0
  O  O20  1  0.802  0.293  0.802  1.0
  O  O21  1  0.997  0.506  0.997  1.0
  O  O22  1  0.399  0.907  0.399  1.0
  O  O23  1  0.200  0.698  0.200  1.0
  O  O24  1  0.603  0.095  0.603  1.0
[/CIF]
.
The material structure described by Sr2La3Fe4CoO15 is (Cubic) Perovskite-derived structured and crystallizes in the trigonal R3m space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to three equivalent O(1), three equivalent O(5), and six equivalent O(4) atoms to form SrO12 cuboctahedra that share corners with three equivalent Sr(2)O12 cuboctahedra, corners with three equivalent La(2)O12 cuboctahedra, corners with six equivalent Sr(1)O12 cuboctahedra, faces with three equivalent La(1)O12 cuboctahedra, faces with three equivalent La(3)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with three equivalent Fe(3)O6 octahedra, and faces with three equivalent Fe(4)O6 octahedra. In the second Sr site, Sr(2) is bonded to three equivalent O(3), three equivalent O(5), and six equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with three equivalent Sr(1)O12 cuboctahedra, corners with three equivalent La(3)O12 cuboctahedra, corners with six equivalent Sr(2)O12 cuboctahedra, faces with three equivalent La(1)O12 cuboctahedra, faces with three equivalent La(2)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra, faces with three equivalent Fe(1)O6 octahedra, and faces with three equivalent Co(1)O6 octahedra. There are three inequivalent La sites. In the first La site, La(1) is bonded to three equivalent O(2), three equivalent O(4), and six equivalent O(5) atoms to form LaO12 cuboctahedra that share corners with three equivalent La(2)O12 cuboctahedra, corners with three equivalent La(3)O12 cuboctahedra, corners with six equivalent La(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, faces with three equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(3)O6 octahedra, faces with three equivalent Fe(4)O6 octahedra, and faces with three equivalent Co(1)O6 octahedra. In the second La site, La(2) is bonded to three equivalent O(1), three equivalent O(2), and six equivalent O(3) atoms to form LaO12 cuboctahedra that share corners with three equivalent Sr(1)O12 cuboctahedra, corners with three equivalent La(1)O12 cuboctahedra, corners with six equivalent La(2)O12 cuboctahedra, faces with three equivalent Sr(2)O12 cuboctahedra, faces with three equivalent La(3)O12 cuboctahedra,  a faceface with one Fe(3)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with three equivalent Fe(1)O6 octahedra, and faces with three equivalent Fe(2)O6 octahedra. In the third La site, La(3) is bonded to three equivalent O(3), three equivalent O(4), and six equivalent O(1) atoms to form LaO12 cuboctahedra that share corners with three equivalent Sr(2)O12 cuboctahedra, corners with three equivalent La(1)O12 cuboctahedra, corners with six equivalent La(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, faces with three equivalent La(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(4)O6 octahedra, faces with three equivalent Fe(2)O6 octahedra, and faces with three equivalent Fe(3)O6 octahedra. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to three equivalent O(2) and three equivalent O(3) atoms to form FeO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  a faceface with one La(1)O12 cuboctahedra,  a faceface with one La(3)O12 cuboctahedra, faces with three equivalent Sr(2)O12 cuboctahedra, and faces with three equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 2-5°. In the second Fe site, Fe(2) is bonded to three equivalent O(1) and three equivalent O(3) atoms to form FeO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(3)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with three equivalent La(2)O12 cuboctahedra, and faces with three equivalent La(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 3-5°. In the third Fe site, Fe(3) is bonded to three equivalent O(1) and three equivalent O(4) atoms to form FeO6 octahedra that share corners with three equivalent Fe(2)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra,  a faceface with one La(1)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent La(3)O12 cuboctahedra. The corner-sharing octahedral tilt angles are 3°. In the fourth Fe site, Fe(4) is bonded to three equivalent O(4) and three equivalent O(5) atoms to form FeO6 octahedra that share corners with three equivalent Fe(3)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  a faceface with one Sr(2)O12 cuboctahedra,  a faceface with one La(3)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-3°. Co(1) is bonded to three equivalent O(2) and three equivalent O(5) atoms to form CoO6 octahedra that share corners with three equivalent Fe(1)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with three equivalent Sr(2)O12 cuboctahedra, and faces with three equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 1-2°. There are five inequivalent O sites. In the first O site, O(3) is bonded in a distorted linear geometry to one Sr(2), one La(3), two equivalent La(2), one Fe(1), and one Fe(2) atom. In the second O site, O(4) is bonded in a distorted linear geometry to two equivalent Sr(1), one La(1), one La(3), one Fe(3), and one Fe(4) atom. In the third O site, O(5) is bonded to one Sr(1), one Sr(2), two equivalent La(1), one Fe(4), and one Co(1) atom to form a mixture of distorted face, corner, and edge-sharing OSr2La2FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the fourth O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one La(2), two equivalent La(3), one Fe(2), and one Fe(3) atom. In the fifth O site, O(2) is bonded to two equivalent Sr(2), one La(1), one La(2), one Fe(1), and one Co(1) atom to form a mixture of distorted face, corner, and edge-sharing OSr2La2FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. is represented by the CIF file [CIF]
data_Sr2La3Fe4CoO15
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.698
_cell_length_b   11.698
_cell_length_c   11.698
_cell_angle_alpha   27.253
_cell_angle_beta   27.253
_cell_angle_gamma   27.253
_symmetry_Int_Tables_number   1
_cell_volume   296.159
_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
  Sr  Sr0  1  0.702  0.702  0.702  1.0
  Sr  Sr1  1  0.498  0.498  0.498  1.0
  La  La2  1  0.102  0.102  0.102  1.0
  La  La3  1  0.897  0.897  0.897  1.0
  La  La4  1  0.301  0.301  0.301  1.0
  Fe  Fe5  1  0.198  0.198  0.198  1.0
  Fe  Fe6  1  0.600  0.600  0.600  1.0
  Fe  Fe7  1  0.001  0.001  0.001  1.0
  Fe  Fe8  1  0.402  0.402  0.402  1.0
  Co  Co9  1  0.800  0.800  0.800  1.0
  O  O10  1  0.802  0.802  0.293  1.0
  O  O11  1  0.997  0.997  0.506  1.0
  O  O12  1  0.399  0.399  0.907  1.0
  O  O13  1  0.200  0.200  0.698  1.0
  O  O14  1  0.603  0.603  0.095  1.0
  O  O15  1  0.293  0.802  0.802  1.0
  O  O16  1  0.506  0.997  0.997  1.0
  O  O17  1  0.907  0.399  0.399  1.0
  O  O18  1  0.698  0.200  0.200  1.0
  O  O19  1  0.095  0.603  0.603  1.0
  O  O20  1  0.802  0.293  0.802  1.0
  O  O21  1  0.997  0.506  0.997  1.0
  O  O22  1  0.399  0.907  0.399  1.0
  O  O23  1  0.200  0.698  0.200  1.0
  O  O24  1  0.603  0.095  0.603  1.0
[/CIF]
.