The material structure described by Sr7CaFe5(CoO8)3 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(13), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), one O(9), and two equivalent O(11) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(10), one O(14), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(12) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(10), one O(14), two equivalent O(1), two equivalent O(12), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(5)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to one O(13), one O(9), two equivalent O(11), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. In the fifth Sr site, Sr(5) is bonded to one O(10), one O(14), two equivalent O(12), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. Ca(1) is bonded to one O(13), one O(9), two equivalent O(1), two equivalent O(11), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(4)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(9), two equivalent O(1), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Fe site, Fe(2) is bonded to one O(10), one O(9), two equivalent O(2), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third Fe site, Fe(3) is bonded to one O(1), one O(11), one O(12), one O(3), one O(5), and one O(7) atom to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the fourth Fe site, Fe(4) is bonded to one O(13), one O(14), two equivalent O(3), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(12), one O(2), one O(4), one O(6), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Co site, Co(2) is bonded to one O(13), one O(14), two equivalent O(4), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Fe(4)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(1), and one Fe(3) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(2), and one Co(1) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Fe(4) atom. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Co(1), and one Co(2) atom to form distorted OSr3CaCo2 octahedra that share corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(10)Sr4Fe2 octahedra, corners with two equivalent O(7)Sr4Fe2 octahedra, corners with two equivalent O(12)Sr4FeCo octahedra,  a faceface with one O(4)Sr3CaCo2 octahedra,  a faceface with one O(13)Sr3CaFeCo octahedra,  a faceface with one O(8)Sr4Co2 octahedra,  a faceface with one O(12)Sr4FeCo octahedra,  a faceface with one O(14)Sr4FeCo octahedra, and  a faceface with one O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(4), one Sr(5), one Fe(1), and one Fe(3) atom. In the sixth O site, O(6) is bonded to one Sr(1), one Sr(2), one Sr(4), one Sr(5), one Fe(2), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with two equivalent O(13)Sr3CaFeCo octahedra, corners with two equivalent O(12)Sr4FeCo octahedra, corners with two equivalent O(14)Sr4FeCo octahedra, corners with six equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(8)Sr4Co2 octahedra,  a faceface with one O(4)Sr3CaCo2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra,  a faceface with one O(10)Sr4Fe2 octahedra,  a faceface with one O(12)Sr4FeCo octahedra, and  a faceface with one O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one Sr(4), one Sr(5), one Fe(3), and one Fe(4) atom to form distorted OSr4Fe2 octahedra that share corners with two equivalent O(4)Sr3CaCo2 octahedra, corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(10)Sr4Fe2 octahedra, corners with two equivalent O(12)Sr4FeCo octahedra, corners with six equivalent O(6)Sr4FeCo octahedra, edges with two equivalent O(8)Sr4Co2 octahedra,  a faceface with one O(13)Sr3CaFeCo octahedra,  a faceface with one O(7)Sr4Fe2 octahedra,  a faceface with one O(12)Sr4FeCo octahedra, and  a faceface with one O(14)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one Sr(4), one Sr(5), one Co(1), and one Co(2) atom to form distorted OSr4Co2 octahedra that share corners with two equivalent O(4)Sr3CaCo2 octahedra, corners with two equivalent O(10)Sr4Fe2 octahedra, corners with two equivalent O(7)Sr4Fe2 octahedra, corners with two equivalent O(12)Sr4FeCo octahedra, edges with two equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(6)Sr4FeCo octahedra,  a faceface with one O(4)Sr3CaCo2 octahedra,  a faceface with one O(13)Sr3CaFeCo octahedra,  a faceface with one O(8)Sr4Co2 octahedra,  a faceface with one O(12)Sr4FeCo octahedra,  a faceface with one O(14)Sr4FeCo octahedra, and  a faceface with one O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Sr(4), two equivalent Sr(1), one Ca(1), one Fe(1), and one Fe(2) atom. In the tenth O site, O(10) is bonded to one Sr(3), one Sr(5), two equivalent Sr(2), one Fe(1), and one Fe(2) atom to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(8)Sr4Co2 octahedra, corners with four equivalent O(7)Sr4Fe2 octahedra, corners with four equivalent O(14)Sr4FeCo octahedra, edges with four equivalent O(12)Sr4FeCo octahedra, and faces with two equivalent O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Sr(4), two equivalent Sr(1), one Ca(1), one Fe(3), and one Co(1) atom. In the twelfth O site, O(12) is bonded to one Sr(3), one Sr(5), two equivalent Sr(2), one Fe(3), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with two equivalent O(4)Sr3CaCo2 octahedra, corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(7)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(12)Sr4FeCo octahedra, edges with two equivalent O(10)Sr4Fe2 octahedra, edges with two equivalent O(14)Sr4FeCo octahedra,  a faceface with one O(4)Sr3CaCo2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra,  a faceface with one O(7)Sr4Fe2 octahedra, and  a faceface with one O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the thirteenth O site, O(13) is bonded to one Sr(4), two equivalent Sr(1), one Ca(1), one Fe(4), and one Co(2) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(14)Sr4FeCo octahedra, corners with four equivalent O(6)Sr4FeCo octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(8)Sr4Co2 octahedra, and faces with two equivalent O(7)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-62°. In the fourteenth O site, O(14) is bonded to one Sr(3), one Sr(5), two equivalent Sr(2), one Fe(4), and one Co(2) atom to form distorted OSr4FeCo octahedra that share corners with two equivalent O(13)Sr3CaFeCo octahedra, corners with four equivalent O(10)Sr4Fe2 octahedra, corners with four equivalent O(6)Sr4FeCo octahedra, edges with four equivalent O(12)Sr4FeCo octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(8)Sr4Co2 octahedra, and faces with two equivalent O(7)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-62°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr7CaFe5(CoO8)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.764
_cell_length_b   7.764
_cell_length_c   7.768
_cell_angle_alpha   89.994
_cell_angle_beta   89.994
_cell_angle_gamma   90.012
_symmetry_Int_Tables_number   1
_cell_volume   468.334
_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  0.748  0.252  0.252  1.0
  Sr  Sr1  1  0.748  0.252  0.748  1.0
  Sr  Sr2  1  0.748  0.748  0.748  1.0
  Sr  Sr3  1  0.252  0.252  0.252  1.0
  Sr  Sr4  1  0.252  0.252  0.748  1.0
  Sr  Sr5  1  0.252  0.748  0.252  1.0
  Sr  Sr6  1  0.252  0.748  0.748  1.0
  Ca  Ca7  1  0.748  0.748  0.252  1.0
  Fe  Fe8  1  0.999  0.999  0.001  1.0
  Fe  Fe9  1  0.999  0.999  0.499  1.0
  Fe  Fe10  1  0.999  0.501  0.001  1.0
  Fe  Fe11  1  0.501  0.999  0.001  1.0
  Fe  Fe12  1  0.501  0.501  0.001  1.0
  Co  Co13  1  0.999  0.500  0.499  1.0
  Co  Co14  1  0.500  0.999  0.499  1.0
  Co  Co15  1  0.501  0.501  0.500  1.0
  O  O16  1  0.749  0.998  0.002  1.0
  O  O17  1  0.742  0.997  0.498  1.0
  O  O18  1  0.748  0.502  0.002  1.0
  O  O19  1  0.750  0.503  0.497  1.0
  O  O20  1  0.251  1.000  0.000  1.0
  O  O21  1  0.258  1.000  0.500  1.0
  O  O22  1  0.252  0.500  0.000  1.0
  O  O23  1  0.250  0.500  0.499  1.0
  O  O24  1  1.000  0.251  0.000  1.0
  O  O25  1  1.000  0.258  0.500  1.0
  O  O26  1  0.998  0.749  0.002  1.0
  O  O27  1  0.997  0.742  0.498  1.0
  O  O28  1  0.500  0.252  0.000  1.0
  O  O29  1  0.500  0.250  0.499  1.0
  O  O30  1  0.502  0.748  0.002  1.0
  O  O31  1  0.503  0.750  0.497  1.0
  O  O32  1  0.998  0.998  0.253  1.0
  O  O33  1  1.000  1.000  0.747  1.0
  O  O34  1  0.997  0.503  0.253  1.0
  O  O35  1  1.000  0.500  0.747  1.0
  O  O36  1  0.503  0.997  0.253  1.0
  O  O37  1  0.500  1.000  0.747  1.0
  O  O38  1  0.502  0.502  0.260  1.0
  O  O39  1  0.501  0.501  0.740  1.0
[/CIF]
.
The material structure described by Sr7CaFe5(CoO8)3 is (Cubic) Perovskite-derived structured and crystallizes in the monoclinic Cm space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(1), one O(13), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), one O(9), and two equivalent O(11) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent Sr(3)O12 cuboctahedra, corners with four equivalent Sr(5)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(10), one O(14), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(12) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with four equivalent Sr(4)O12 cuboctahedra, corners with four equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(10), one O(14), two equivalent O(1), two equivalent O(12), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(5)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. In the fourth Sr site, Sr(4) is bonded to one O(13), one O(9), two equivalent O(11), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(5)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. In the fifth Sr site, Sr(5) is bonded to one O(10), one O(14), two equivalent O(12), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(3)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(4)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. Ca(1) is bonded to one O(13), one O(9), two equivalent O(1), two equivalent O(11), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms to form CaO12 cuboctahedra that share corners with four equivalent Sr(4)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Fe(1)O6 octahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Co(2)O6 octahedra, faces with two equivalent Fe(3)O6 octahedra, and faces with two equivalent Co(1)O6 octahedra. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(10), one O(9), two equivalent O(1), and two equivalent O(5) atoms to form FeO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Fe site, Fe(2) is bonded to one O(10), one O(9), two equivalent O(2), and two equivalent O(6) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third Fe site, Fe(3) is bonded to one O(1), one O(11), one O(12), one O(3), one O(5), and one O(7) atom to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the fourth Fe site, Fe(4) is bonded to one O(13), one O(14), two equivalent O(3), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Co(2)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(11), one O(12), one O(2), one O(4), one O(6), and one O(8) atom to form CoO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Co site, Co(2) is bonded to one O(13), one O(14), two equivalent O(4), and two equivalent O(8) atoms to form CoO6 octahedra that share corners with two equivalent Fe(4)O6 octahedra, corners with four equivalent Co(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Sr(4)O12 cuboctahedra,  a faceface with one Sr(5)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, and faces with two equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(1), and one Fe(3) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(2), and one Co(1) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Fe(4) atom. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Co(1), and one Co(2) atom to form distorted OSr3CaCo2 octahedra that share corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(10)Sr4Fe2 octahedra, corners with two equivalent O(7)Sr4Fe2 octahedra, corners with two equivalent O(12)Sr4FeCo octahedra,  a faceface with one O(4)Sr3CaCo2 octahedra,  a faceface with one O(13)Sr3CaFeCo octahedra,  a faceface with one O(8)Sr4Co2 octahedra,  a faceface with one O(12)Sr4FeCo octahedra,  a faceface with one O(14)Sr4FeCo octahedra, and  a faceface with one O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Sr(2), one Sr(4), one Sr(5), one Fe(1), and one Fe(3) atom. In the sixth O site, O(6) is bonded to one Sr(1), one Sr(2), one Sr(4), one Sr(5), one Fe(2), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with two equivalent O(13)Sr3CaFeCo octahedra, corners with two equivalent O(12)Sr4FeCo octahedra, corners with two equivalent O(14)Sr4FeCo octahedra, corners with six equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(8)Sr4Co2 octahedra,  a faceface with one O(4)Sr3CaCo2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra,  a faceface with one O(10)Sr4Fe2 octahedra,  a faceface with one O(12)Sr4FeCo octahedra, and  a faceface with one O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the seventh O site, O(7) is bonded to one Sr(1), one Sr(2), one Sr(4), one Sr(5), one Fe(3), and one Fe(4) atom to form distorted OSr4Fe2 octahedra that share corners with two equivalent O(4)Sr3CaCo2 octahedra, corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(10)Sr4Fe2 octahedra, corners with two equivalent O(12)Sr4FeCo octahedra, corners with six equivalent O(6)Sr4FeCo octahedra, edges with two equivalent O(8)Sr4Co2 octahedra,  a faceface with one O(13)Sr3CaFeCo octahedra,  a faceface with one O(7)Sr4Fe2 octahedra,  a faceface with one O(12)Sr4FeCo octahedra, and  a faceface with one O(14)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the eighth O site, O(8) is bonded to one Sr(1), one Sr(2), one Sr(4), one Sr(5), one Co(1), and one Co(2) atom to form distorted OSr4Co2 octahedra that share corners with two equivalent O(4)Sr3CaCo2 octahedra, corners with two equivalent O(10)Sr4Fe2 octahedra, corners with two equivalent O(7)Sr4Fe2 octahedra, corners with two equivalent O(12)Sr4FeCo octahedra, edges with two equivalent O(7)Sr4Fe2 octahedra, edges with two equivalent O(6)Sr4FeCo octahedra,  a faceface with one O(4)Sr3CaCo2 octahedra,  a faceface with one O(13)Sr3CaFeCo octahedra,  a faceface with one O(8)Sr4Co2 octahedra,  a faceface with one O(12)Sr4FeCo octahedra,  a faceface with one O(14)Sr4FeCo octahedra, and  a faceface with one O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the ninth O site, O(9) is bonded in a distorted linear geometry to one Sr(4), two equivalent Sr(1), one Ca(1), one Fe(1), and one Fe(2) atom. In the tenth O site, O(10) is bonded to one Sr(3), one Sr(5), two equivalent Sr(2), one Fe(1), and one Fe(2) atom to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(4)Sr3CaCo2 octahedra, corners with four equivalent O(8)Sr4Co2 octahedra, corners with four equivalent O(7)Sr4Fe2 octahedra, corners with four equivalent O(14)Sr4FeCo octahedra, edges with four equivalent O(12)Sr4FeCo octahedra, and faces with two equivalent O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the eleventh O site, O(11) is bonded in a distorted linear geometry to one Sr(4), two equivalent Sr(1), one Ca(1), one Fe(3), and one Co(1) atom. In the twelfth O site, O(12) is bonded to one Sr(3), one Sr(5), two equivalent Sr(2), one Fe(3), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with two equivalent O(4)Sr3CaCo2 octahedra, corners with two equivalent O(8)Sr4Co2 octahedra, corners with two equivalent O(7)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(12)Sr4FeCo octahedra, edges with two equivalent O(10)Sr4Fe2 octahedra, edges with two equivalent O(14)Sr4FeCo octahedra,  a faceface with one O(4)Sr3CaCo2 octahedra,  a faceface with one O(8)Sr4Co2 octahedra,  a faceface with one O(7)Sr4Fe2 octahedra, and  a faceface with one O(6)Sr4FeCo octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the thirteenth O site, O(13) is bonded to one Sr(4), two equivalent Sr(1), one Ca(1), one Fe(4), and one Co(2) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(14)Sr4FeCo octahedra, corners with four equivalent O(6)Sr4FeCo octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(8)Sr4Co2 octahedra, and faces with two equivalent O(7)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-62°. In the fourteenth O site, O(14) is bonded to one Sr(3), one Sr(5), two equivalent Sr(2), one Fe(4), and one Co(2) atom to form distorted OSr4FeCo octahedra that share corners with two equivalent O(13)Sr3CaFeCo octahedra, corners with four equivalent O(10)Sr4Fe2 octahedra, corners with four equivalent O(6)Sr4FeCo octahedra, edges with four equivalent O(12)Sr4FeCo octahedra, faces with two equivalent O(4)Sr3CaCo2 octahedra, faces with two equivalent O(8)Sr4Co2 octahedra, and faces with two equivalent O(7)Sr4Fe2 octahedra. The corner-sharing octahedral tilt angles range from 0-62°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr7CaFe5(CoO8)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.764
_cell_length_b   7.764
_cell_length_c   7.768
_cell_angle_alpha   89.994
_cell_angle_beta   89.994
_cell_angle_gamma   90.012
_symmetry_Int_Tables_number   1
_cell_volume   468.334
_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  0.748  0.252  0.252  1.0
  Sr  Sr1  1  0.748  0.252  0.748  1.0
  Sr  Sr2  1  0.748  0.748  0.748  1.0
  Sr  Sr3  1  0.252  0.252  0.252  1.0
  Sr  Sr4  1  0.252  0.252  0.748  1.0
  Sr  Sr5  1  0.252  0.748  0.252  1.0
  Sr  Sr6  1  0.252  0.748  0.748  1.0
  Ca  Ca7  1  0.748  0.748  0.252  1.0
  Fe  Fe8  1  0.999  0.999  0.001  1.0
  Fe  Fe9  1  0.999  0.999  0.499  1.0
  Fe  Fe10  1  0.999  0.501  0.001  1.0
  Fe  Fe11  1  0.501  0.999  0.001  1.0
  Fe  Fe12  1  0.501  0.501  0.001  1.0
  Co  Co13  1  0.999  0.500  0.499  1.0
  Co  Co14  1  0.500  0.999  0.499  1.0
  Co  Co15  1  0.501  0.501  0.500  1.0
  O  O16  1  0.749  0.998  0.002  1.0
  O  O17  1  0.742  0.997  0.498  1.0
  O  O18  1  0.748  0.502  0.002  1.0
  O  O19  1  0.750  0.503  0.497  1.0
  O  O20  1  0.251  1.000  0.000  1.0
  O  O21  1  0.258  1.000  0.500  1.0
  O  O22  1  0.252  0.500  0.000  1.0
  O  O23  1  0.250  0.500  0.499  1.0
  O  O24  1  1.000  0.251  0.000  1.0
  O  O25  1  1.000  0.258  0.500  1.0
  O  O26  1  0.998  0.749  0.002  1.0
  O  O27  1  0.997  0.742  0.498  1.0
  O  O28  1  0.500  0.252  0.000  1.0
  O  O29  1  0.500  0.250  0.499  1.0
  O  O30  1  0.502  0.748  0.002  1.0
  O  O31  1  0.503  0.750  0.497  1.0
  O  O32  1  0.998  0.998  0.253  1.0
  O  O33  1  1.000  1.000  0.747  1.0
  O  O34  1  0.997  0.503  0.253  1.0
  O  O35  1  1.000  0.500  0.747  1.0
  O  O36  1  0.503  0.997  0.253  1.0
  O  O37  1  0.500  1.000  0.747  1.0
  O  O38  1  0.502  0.502  0.260  1.0
  O  O39  1  0.501  0.501  0.740  1.0
[/CIF]
.