The compound described by Sr7CaTi7MnO24 is (Cubic) Perovskite-derived structured and crystallizes in the trigonal R3m space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(4), one O(6), two equivalent O(1), two equivalent O(3), two equivalent O(5), and four equivalent O(2) 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 Ca(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(3), two equivalent O(2), two equivalent O(4), two equivalent O(6), and four equivalent O(5) 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(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. In the third Sr site, Sr(3) is bonded to three equivalent O(4), three equivalent O(6), and six equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with twelve equivalent Sr(1)O12 cuboctahedra, faces with six equivalent Sr(2)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. Ca(1) is bonded to three equivalent O(1), three equivalent O(3), and six equivalent O(2) atoms to form CaO12 cuboctahedra that share corners with twelve equivalent Sr(2)O12 cuboctahedra, faces with six equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(4), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Ti(2)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Ti site, Ti(2) is bonded to one O(3), one O(6), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(3)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third Ti site, Ti(3) is bonded to three equivalent O(3) and three equivalent O(6) atoms to form TiO6 octahedra that share corners with six equivalent Ti(2)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. Mn(1) is bonded to three equivalent O(1) and three equivalent O(4) atoms to form MnO6 octahedra that share corners with six equivalent Ti(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(2), two equivalent Sr(1), one Ca(1), one Ti(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Sr(2), two equivalent Sr(1), one Ca(1), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(2), two equivalent Sr(1), one Ca(1), one Ti(2), and one Ti(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(1), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(1), and one Ti(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(2), and one Ti(3) atom. is represented by the CIF file [CIF]
data_Sr7CaTi7MnO24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.842
_cell_length_b   7.842
_cell_length_c   7.842
_cell_angle_alpha   89.991
_cell_angle_beta   89.991
_cell_angle_gamma   89.991
_symmetry_Int_Tables_number   1
_cell_volume   482.189
_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  0.249  0.249  0.751  1.0
  Sr  Sr1  1  0.751  0.249  0.751  1.0
  Sr  Sr2  1  0.751  0.249  0.249  1.0
  Sr  Sr3  1  0.249  0.751  0.751  1.0
  Sr  Sr4  1  0.751  0.751  0.751  1.0
  Sr  Sr5  1  0.249  0.751  0.249  1.0
  Sr  Sr6  1  0.751  0.751  0.249  1.0
  Ca  Ca7  1  0.249  0.249  0.249  1.0
  Ti  Ti8  1  0.499  0.001  0.001  1.0
  Ti  Ti9  1  0.001  0.001  0.499  1.0
  Ti  Ti10  1  0.499  0.001  0.499  1.0
  Ti  Ti11  1  0.001  0.499  0.001  1.0
  Ti  Ti12  1  0.499  0.499  0.001  1.0
  Ti  Ti13  1  0.001  0.499  0.499  1.0
  Ti  Ti14  1  0.499  0.499  0.499  1.0
  Mn  Mn15  1  0.001  0.001  0.001  1.0
  O  O16  1  0.002  0.247  0.002  1.0
  O  O17  1  0.498  0.249  0.002  1.0
  O  O18  1  0.002  0.249  0.498  1.0
  O  O19  1  0.498  0.250  0.498  1.0
  O  O20  1  0.000  0.753  0.000  1.0
  O  O21  1  0.500  0.751  0.000  1.0
  O  O22  1  0.000  0.751  0.500  1.0
  O  O23  1  0.500  0.750  0.500  1.0
  O  O24  1  0.000  0.000  0.753  1.0
  O  O25  1  0.500  0.000  0.751  1.0
  O  O26  1  0.002  0.002  0.247  1.0
  O  O27  1  0.498  0.002  0.249  1.0
  O  O28  1  0.000  0.500  0.751  1.0
  O  O29  1  0.500  0.500  0.750  1.0
  O  O30  1  0.002  0.498  0.249  1.0
  O  O31  1  0.498  0.498  0.250  1.0
  O  O32  1  0.247  0.002  0.002  1.0
  O  O33  1  0.753  0.000  0.000  1.0
  O  O34  1  0.249  0.002  0.498  1.0
  O  O35  1  0.751  0.000  0.500  1.0
  O  O36  1  0.249  0.498  0.002  1.0
  O  O37  1  0.751  0.500  0.000  1.0
  O  O38  1  0.250  0.498  0.498  1.0
  O  O39  1  0.750  0.500  0.500  1.0
[/CIF]
.
The compound described by Sr7CaTi7MnO24 is (Cubic) Perovskite-derived structured and crystallizes in the trigonal R3m space group. There are three inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(4), one O(6), two equivalent O(1), two equivalent O(3), two equivalent O(5), and four equivalent O(2) 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 Ca(1)O12 cuboctahedra, faces with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(1), one O(3), two equivalent O(2), two equivalent O(4), two equivalent O(6), and four equivalent O(5) 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(3)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. In the third Sr site, Sr(3) is bonded to three equivalent O(4), three equivalent O(6), and six equivalent O(5) atoms to form SrO12 cuboctahedra that share corners with twelve equivalent Sr(1)O12 cuboctahedra, faces with six equivalent Sr(2)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. Ca(1) is bonded to three equivalent O(1), three equivalent O(3), and six equivalent O(2) atoms to form CaO12 cuboctahedra that share corners with twelve equivalent Sr(2)O12 cuboctahedra, faces with six equivalent Sr(1)O12 cuboctahedra,  a faceface with one Ti(3)O6 octahedra,  a faceface with one Mn(1)O6 octahedra, faces with three equivalent Ti(1)O6 octahedra, and faces with three equivalent Ti(2)O6 octahedra. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(1), one O(4), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with four equivalent Ti(2)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second Ti site, Ti(2) is bonded to one O(3), one O(6), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(3)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the third Ti site, Ti(3) is bonded to three equivalent O(3) and three equivalent O(6) atoms to form TiO6 octahedra that share corners with six equivalent Ti(2)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. Mn(1) is bonded to three equivalent O(1) and three equivalent O(4) atoms to form MnO6 octahedra that share corners with six equivalent Ti(1)O6 octahedra,  a faceface with one Sr(3)O12 cuboctahedra,  a faceface with one Ca(1)O12 cuboctahedra, faces with three equivalent Sr(1)O12 cuboctahedra, and faces with three equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-1°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to one Sr(2), two equivalent Sr(1), one Ca(1), one Ti(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a distorted linear geometry to one Sr(2), two equivalent Sr(1), one Ca(1), one Ti(1), and one Ti(2) atom. In the third O site, O(3) is bonded in a distorted linear geometry to one Sr(2), two equivalent Sr(1), one Ca(1), one Ti(2), and one Ti(3) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(1), and one Mn(1) atom. In the fifth O site, O(5) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(1), and one Ti(2) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Sr(1), one Sr(3), two equivalent Sr(2), one Ti(2), and one Ti(3) atom. is represented by the CIF file [CIF]
data_Sr7CaTi7MnO24
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.842
_cell_length_b   7.842
_cell_length_c   7.842
_cell_angle_alpha   89.991
_cell_angle_beta   89.991
_cell_angle_gamma   89.991
_symmetry_Int_Tables_number   1
_cell_volume   482.189
_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  0.249  0.249  0.751  1.0
  Sr  Sr1  1  0.751  0.249  0.751  1.0
  Sr  Sr2  1  0.751  0.249  0.249  1.0
  Sr  Sr3  1  0.249  0.751  0.751  1.0
  Sr  Sr4  1  0.751  0.751  0.751  1.0
  Sr  Sr5  1  0.249  0.751  0.249  1.0
  Sr  Sr6  1  0.751  0.751  0.249  1.0
  Ca  Ca7  1  0.249  0.249  0.249  1.0
  Ti  Ti8  1  0.499  0.001  0.001  1.0
  Ti  Ti9  1  0.001  0.001  0.499  1.0
  Ti  Ti10  1  0.499  0.001  0.499  1.0
  Ti  Ti11  1  0.001  0.499  0.001  1.0
  Ti  Ti12  1  0.499  0.499  0.001  1.0
  Ti  Ti13  1  0.001  0.499  0.499  1.0
  Ti  Ti14  1  0.499  0.499  0.499  1.0
  Mn  Mn15  1  0.001  0.001  0.001  1.0
  O  O16  1  0.002  0.247  0.002  1.0
  O  O17  1  0.498  0.249  0.002  1.0
  O  O18  1  0.002  0.249  0.498  1.0
  O  O19  1  0.498  0.250  0.498  1.0
  O  O20  1  0.000  0.753  0.000  1.0
  O  O21  1  0.500  0.751  0.000  1.0
  O  O22  1  0.000  0.751  0.500  1.0
  O  O23  1  0.500  0.750  0.500  1.0
  O  O24  1  0.000  0.000  0.753  1.0
  O  O25  1  0.500  0.000  0.751  1.0
  O  O26  1  0.002  0.002  0.247  1.0
  O  O27  1  0.498  0.002  0.249  1.0
  O  O28  1  0.000  0.500  0.751  1.0
  O  O29  1  0.500  0.500  0.750  1.0
  O  O30  1  0.002  0.498  0.249  1.0
  O  O31  1  0.498  0.498  0.250  1.0
  O  O32  1  0.247  0.002  0.002  1.0
  O  O33  1  0.753  0.000  0.000  1.0
  O  O34  1  0.249  0.002  0.498  1.0
  O  O35  1  0.751  0.000  0.500  1.0
  O  O36  1  0.249  0.498  0.002  1.0
  O  O37  1  0.751  0.500  0.000  1.0
  O  O38  1  0.250  0.498  0.498  1.0
  O  O39  1  0.750  0.500  0.500  1.0
[/CIF]
.