The compound described by Sr6Ca2Fe7CoO24 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Cmm2 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(6), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(6), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(10), one O(8), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(7) 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(2)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. Ca(1) is bonded to one O(10), one O(8), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(5), one O(7), two equivalent O(1), and two equivalent O(2) atoms to form FeO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Fe site, Fe(2) is bonded to one O(6), one O(8), and four equivalent O(2) atoms to form FeO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third Fe site, Fe(3) is bonded to one O(5), one O(7), two equivalent O(3), and two equivalent O(4) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(9), and four equivalent O(1) atoms to form FeO6 octahedra that share corners with two equivalent Fe(5)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the fifth Fe site, Fe(5) is bonded to one O(10), one O(9), and four equivalent O(3) atoms to form FeO6 octahedra that share corners with two equivalent Fe(4)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. Co(1) is bonded to one O(6), one O(8), and four equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(1), and one Fe(4) atom to form distorted OSr3CaFe2 octahedra that share corners with two equivalent O(1)Sr3CaFe2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(3)Sr3CaFe2 octahedra, corners with eight equivalent O(4)Sr3CaFeCo octahedra, edges with two equivalent O(3)Sr3CaFe2 octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra, and faces with two equivalent O(1)Sr3CaFe2 octahedra. The corner-sharing octahedral tilt angles range from 0-61°. 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(1), and one Fe(2) atom. In the third O site, O(3) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Fe(5) atom to form distorted OSr3CaFe2 octahedra that share corners with two equivalent O(3)Sr3CaFe2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(1)Sr3CaFe2 octahedra, edges with two equivalent O(1)Sr3CaFe2 octahedra, edges with two equivalent O(4)Sr3CaFeCo octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra, faces with two equivalent O(3)Sr3CaFe2 octahedra, and faces with two equivalent O(4)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Co(1) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(4)Sr3CaFeCo octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with eight equivalent O(1)Sr3CaFe2 octahedra, edges with two equivalent O(3)Sr3CaFe2 octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(6)Sr4FeCo octahedra, faces with two equivalent O(3)Sr3CaFe2 octahedra, and faces with two equivalent O(4)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(1), and one Fe(3) atom to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(1)Sr3CaFe2 octahedra, corners with four equivalent O(3)Sr3CaFe2 octahedra, corners with four equivalent O(4)Sr3CaFeCo octahedra, corners with four equivalent O(5)Sr4Fe2 octahedra, edges with two equivalent O(9)Sr4Fe2 octahedra, edges with two equivalent O(6)Sr4FeCo octahedra, faces with two equivalent O(1)Sr3CaFe2 octahedra, faces with two equivalent O(3)Sr3CaFe2 octahedra, and faces with two equivalent O(4)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the sixth O site, O(6) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(2), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with four equivalent O(9)Sr4Fe2 octahedra, corners with eight equivalent O(1)Sr3CaFe2 octahedra, corners with eight equivalent O(3)Sr3CaFe2 octahedra, edges with four equivalent O(5)Sr4Fe2 octahedra, and faces with four equivalent O(4)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the seventh O site, O(7) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(1), and one Fe(3) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(2), and one Co(1) atom. In the ninth O site, O(9) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(4), and one Fe(5) atom to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(6)Sr4FeCo octahedra, corners with eight equivalent O(4)Sr3CaFeCo octahedra, edges with four equivalent O(5)Sr4Fe2 octahedra, faces with four equivalent O(1)Sr3CaFe2 octahedra, and faces with four equivalent O(3)Sr3CaFe2 octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the tenth O site, O(10) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(4), and one Fe(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr6Ca2Fe7CoO24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.784
_cell_length_b   7.784
_cell_length_c   7.747
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.022
_symmetry_Int_Tables_number   1
_cell_volume   469.369
_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  0.750  0.250  0.252  1.0
  Sr  Sr1  1  0.250  0.250  0.252  1.0
  Sr  Sr2  1  0.250  0.250  0.748  1.0
  Sr  Sr3  1  0.750  0.750  0.252  1.0
  Sr  Sr4  1  0.250  0.750  0.252  1.0
  Sr  Sr5  1  0.750  0.750  0.748  1.0
  Ca  Ca6  1  0.750  0.250  0.748  1.0
  Ca  Ca7  1  0.250  0.750  0.748  1.0
  Fe  Fe8  1  0.000  0.500  0.999  1.0
  Fe  Fe9  1  0.500  0.500  0.998  1.0
  Fe  Fe10  1  0.000  0.500  0.501  1.0
  Fe  Fe11  1  0.000  0.000  0.999  1.0
  Fe  Fe12  1  0.500  0.000  0.999  1.0
  Fe  Fe13  1  0.000  0.000  0.501  1.0
  Fe  Fe14  1  0.500  0.000  0.501  1.0
  Co  Co15  1  0.500  0.500  0.501  1.0
  O  O16  1  0.998  0.250  0.997  1.0
  O  O17  1  0.502  0.253  0.997  1.0
  O  O18  1  0.998  0.249  0.503  1.0
  O  O19  1  0.503  0.251  0.504  1.0
  O  O20  1  0.002  0.750  0.997  1.0
  O  O21  1  0.498  0.747  0.997  1.0
  O  O22  1  0.002  0.751  0.503  1.0
  O  O23  1  0.497  0.749  0.504  1.0
  O  O24  1  0.000  0.500  0.250  1.0
  O  O25  1  0.500  0.500  0.263  1.0
  O  O26  1  0.000  0.500  0.750  1.0
  O  O27  1  0.500  0.500  0.737  1.0
  O  O28  1  0.000  0.000  0.249  1.0
  O  O29  1  0.500  0.000  0.250  1.0
  O  O30  1  0.000  0.000  0.751  1.0
  O  O31  1  0.500  0.000  0.750  1.0
  O  O32  1  0.747  0.498  0.997  1.0
  O  O33  1  0.253  0.502  0.997  1.0
  O  O34  1  0.749  0.497  0.504  1.0
  O  O35  1  0.251  0.503  0.504  1.0
  O  O36  1  0.750  0.002  0.997  1.0
  O  O37  1  0.250  0.998  0.997  1.0
  O  O38  1  0.751  0.002  0.503  1.0
  O  O39  1  0.249  0.998  0.503  1.0
[/CIF]
.
The compound described by Sr6Ca2Fe7CoO24 is (Cubic) Perovskite-derived structured and crystallizes in the orthorhombic Cmm2 space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(6), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with eight equivalent Sr(3)O12 cuboctahedra, faces with two equivalent Ca(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(6), one O(9), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(2)O12 cuboctahedra, corners with eight equivalent Ca(1)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. In the third Sr site, Sr(3) is bonded to one O(10), one O(8), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(7) 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(2)O12 cuboctahedra, faces with four equivalent Ca(1)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. Ca(1) is bonded to one O(10), one O(8), two equivalent O(1), two equivalent O(2), two equivalent O(3), two equivalent O(4), and two equivalent O(7) atoms to form CaO12 cuboctahedra that share corners with four equivalent Ca(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(3)O12 cuboctahedra,  a faceface with one Fe(2)O6 octahedra,  a faceface with one Fe(4)O6 octahedra,  a faceface with one Fe(5)O6 octahedra,  a faceface with one Co(1)O6 octahedra, faces with two equivalent Fe(1)O6 octahedra, and faces with two equivalent Fe(3)O6 octahedra. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(5), one O(7), two equivalent O(1), and two equivalent O(2) atoms to form FeO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with two equivalent Fe(4)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Fe site, Fe(2) is bonded to one O(6), one O(8), and four equivalent O(2) atoms to form FeO6 octahedra that share corners with two equivalent Co(1)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third Fe site, Fe(3) is bonded to one O(5), one O(7), two equivalent O(3), and two equivalent O(4) atoms to form FeO6 octahedra that share corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with two equivalent Co(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. In the fourth Fe site, Fe(4) is bonded to one O(10), one O(9), and four equivalent O(1) atoms to form FeO6 octahedra that share corners with two equivalent Fe(5)O6 octahedra, corners with four equivalent Fe(1)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the fifth Fe site, Fe(5) is bonded to one O(10), one O(9), and four equivalent O(3) atoms to form FeO6 octahedra that share corners with two equivalent Fe(4)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. Co(1) is bonded to one O(6), one O(8), and four equivalent O(4) atoms to form CoO6 octahedra that share corners with two equivalent Fe(2)O6 octahedra, corners with four equivalent Fe(3)O6 octahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, faces with two equivalent Sr(3)O12 cuboctahedra, and faces with two equivalent Ca(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-2°. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(1), and one Fe(4) atom to form distorted OSr3CaFe2 octahedra that share corners with two equivalent O(1)Sr3CaFe2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(3)Sr3CaFe2 octahedra, corners with eight equivalent O(4)Sr3CaFeCo octahedra, edges with two equivalent O(3)Sr3CaFe2 octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra, and faces with two equivalent O(1)Sr3CaFe2 octahedra. The corner-sharing octahedral tilt angles range from 0-61°. 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(1), and one Fe(2) atom. In the third O site, O(3) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Fe(5) atom to form distorted OSr3CaFe2 octahedra that share corners with two equivalent O(3)Sr3CaFe2 octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(6)Sr4FeCo octahedra, corners with four equivalent O(1)Sr3CaFe2 octahedra, edges with two equivalent O(1)Sr3CaFe2 octahedra, edges with two equivalent O(4)Sr3CaFeCo octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(9)Sr4Fe2 octahedra, faces with two equivalent O(3)Sr3CaFe2 octahedra, and faces with two equivalent O(4)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Sr(3), one Ca(1), one Fe(3), and one Co(1) atom to form distorted OSr3CaFeCo octahedra that share corners with two equivalent O(4)Sr3CaFeCo octahedra, corners with two equivalent O(5)Sr4Fe2 octahedra, corners with two equivalent O(9)Sr4Fe2 octahedra, corners with eight equivalent O(1)Sr3CaFe2 octahedra, edges with two equivalent O(3)Sr3CaFe2 octahedra,  a faceface with one O(5)Sr4Fe2 octahedra,  a faceface with one O(6)Sr4FeCo octahedra, faces with two equivalent O(3)Sr3CaFe2 octahedra, and faces with two equivalent O(4)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 0-61°. In the fifth O site, O(5) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(1), and one Fe(3) atom to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(1)Sr3CaFe2 octahedra, corners with four equivalent O(3)Sr3CaFe2 octahedra, corners with four equivalent O(4)Sr3CaFeCo octahedra, corners with four equivalent O(5)Sr4Fe2 octahedra, edges with two equivalent O(9)Sr4Fe2 octahedra, edges with two equivalent O(6)Sr4FeCo octahedra, faces with two equivalent O(1)Sr3CaFe2 octahedra, faces with two equivalent O(3)Sr3CaFe2 octahedra, and faces with two equivalent O(4)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-61°. In the sixth O site, O(6) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(2), and one Co(1) atom to form distorted OSr4FeCo octahedra that share corners with four equivalent O(9)Sr4Fe2 octahedra, corners with eight equivalent O(1)Sr3CaFe2 octahedra, corners with eight equivalent O(3)Sr3CaFe2 octahedra, edges with four equivalent O(5)Sr4Fe2 octahedra, and faces with four equivalent O(4)Sr3CaFeCo octahedra. The corner-sharing octahedral tilt angles range from 1-62°. In the seventh O site, O(7) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(1), and one Fe(3) atom. In the eighth O site, O(8) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(2), and one Co(1) atom. In the ninth O site, O(9) is bonded to two equivalent Sr(1), two equivalent Sr(2), one Fe(4), and one Fe(5) atom to form distorted OSr4Fe2 octahedra that share corners with four equivalent O(6)Sr4FeCo octahedra, corners with eight equivalent O(4)Sr3CaFeCo octahedra, edges with four equivalent O(5)Sr4Fe2 octahedra, faces with four equivalent O(1)Sr3CaFe2 octahedra, and faces with four equivalent O(3)Sr3CaFe2 octahedra. The corner-sharing octahedral tilt angles range from 1-60°. In the tenth O site, O(10) is bonded in a distorted linear geometry to two equivalent Sr(3), two equivalent Ca(1), one Fe(4), and one Fe(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr6Ca2Fe7CoO24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.784
_cell_length_b   7.784
_cell_length_c   7.747
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.022
_symmetry_Int_Tables_number   1
_cell_volume   469.369
_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  0.750  0.250  0.252  1.0
  Sr  Sr1  1  0.250  0.250  0.252  1.0
  Sr  Sr2  1  0.250  0.250  0.748  1.0
  Sr  Sr3  1  0.750  0.750  0.252  1.0
  Sr  Sr4  1  0.250  0.750  0.252  1.0
  Sr  Sr5  1  0.750  0.750  0.748  1.0
  Ca  Ca6  1  0.750  0.250  0.748  1.0
  Ca  Ca7  1  0.250  0.750  0.748  1.0
  Fe  Fe8  1  0.000  0.500  0.999  1.0
  Fe  Fe9  1  0.500  0.500  0.998  1.0
  Fe  Fe10  1  0.000  0.500  0.501  1.0
  Fe  Fe11  1  0.000  0.000  0.999  1.0
  Fe  Fe12  1  0.500  0.000  0.999  1.0
  Fe  Fe13  1  0.000  0.000  0.501  1.0
  Fe  Fe14  1  0.500  0.000  0.501  1.0
  Co  Co15  1  0.500  0.500  0.501  1.0
  O  O16  1  0.998  0.250  0.997  1.0
  O  O17  1  0.502  0.253  0.997  1.0
  O  O18  1  0.998  0.249  0.503  1.0
  O  O19  1  0.503  0.251  0.504  1.0
  O  O20  1  0.002  0.750  0.997  1.0
  O  O21  1  0.498  0.747  0.997  1.0
  O  O22  1  0.002  0.751  0.503  1.0
  O  O23  1  0.497  0.749  0.504  1.0
  O  O24  1  0.000  0.500  0.250  1.0
  O  O25  1  0.500  0.500  0.263  1.0
  O  O26  1  0.000  0.500  0.750  1.0
  O  O27  1  0.500  0.500  0.737  1.0
  O  O28  1  0.000  0.000  0.249  1.0
  O  O29  1  0.500  0.000  0.250  1.0
  O  O30  1  0.000  0.000  0.751  1.0
  O  O31  1  0.500  0.000  0.750  1.0
  O  O32  1  0.747  0.498  0.997  1.0
  O  O33  1  0.253  0.502  0.997  1.0
  O  O34  1  0.749  0.497  0.504  1.0
  O  O35  1  0.251  0.503  0.504  1.0
  O  O36  1  0.750  0.002  0.997  1.0
  O  O37  1  0.250  0.998  0.997  1.0
  O  O38  1  0.751  0.002  0.503  1.0
  O  O39  1  0.249  0.998  0.503  1.0
[/CIF]
.