The crystal structure described by SrCa7TiMn7O22 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic Cm space group. Sr(1) is bonded in a 10-coordinate geometry to two equivalent O(2), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. There are five inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. In the second Ca site, Ca(2) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(12), one O(5), one O(6), one O(7), one O(8), one O(9), and two equivalent O(2) atoms. In the third Ca site, Ca(3) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(12), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(3) atoms. In the fourth Ca site, Ca(4) is bonded in a body-centered cubic geometry to two equivalent O(10), two equivalent O(11), two equivalent O(12), and two equivalent O(9) atoms. In the fifth Ca site, Ca(5) is bonded in a 8-coordinate geometry to one O(1), one O(4), two equivalent O(10), two equivalent O(12), and two equivalent O(3) atoms. Ti(1) is bonded to one O(1), two equivalent O(5), and two equivalent O(9) atoms to form distorted TiO5 square pyramids that share corners with four equivalent Mn(2)O6 octahedra and  a cornercorner with one Mn(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 3-30°. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), two equivalent O(10), and two equivalent O(6) atoms to form MnO5 square pyramids that share corners with four equivalent Mn(3)O6 octahedra and  a cornercorner with one Ti(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 17-21°. In the second Mn site, Mn(2) is bonded to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Ti(1)O5 square pyramids, and corners with two equivalent Mn(4)O5 square pyramids. The corner-sharing octahedral tilt angles range from 21-22°. In the third Mn site, Mn(3) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(1)O5 square pyramids, and corners with two equivalent Mn(5)O5 square pyramids. The corner-sharing octahedral tilt angles range from 21-22°. In the fourth Mn site, Mn(4) is bonded to one O(4), two equivalent O(11), and two equivalent O(7) atoms to form MnO5 square pyramids that share corners with four equivalent Mn(2)O6 octahedra and  a cornercorner with one Mn(5)O5 square pyramid. The corner-sharing octahedral tilt angles range from 5-29°. In the fifth Mn site, Mn(5) is bonded to one O(4), two equivalent O(12), and two equivalent O(8) atoms to form MnO5 square pyramids that share corners with four equivalent Mn(3)O6 octahedra and  a cornercorner with one Mn(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 12-21°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Ca(5), two equivalent Ca(3), one Ti(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Ca(2), one Mn(2), and one Mn(3) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Ca(5), two equivalent Ca(3), one Mn(2), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ca(5), two equivalent Ca(3), one Mn(4), and one Mn(5) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Ti(1), and one Mn(2) atom to form distorted OSrCa3TiMn octahedra that share corners with two equivalent O(9)Ca2TiMn tetrahedra, edges with two equivalent O(7)SrCa3Mn2 octahedra,  an edgeedge with one O(9)Ca2TiMn tetrahedra,  a faceface with one O(7)SrCa3Mn2 octahedra, and  a faceface with one O(5)SrCa3TiMn octahedra. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(3) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(2), and one Mn(4) atom to form distorted OSrCa3Mn2 octahedra that share edges with two equivalent O(5)SrCa3TiMn octahedra,  an edgeedge with one O(9)Ca2TiMn tetrahedra,  a faceface with one O(7)SrCa3Mn2 octahedra, and  a faceface with one O(5)SrCa3TiMn octahedra. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(3), and one Mn(5) atom. In the ninth O site, O(9) is bonded to one Ca(2), one Ca(4), one Ti(1), and one Mn(2) atom to form distorted OCa2TiMn tetrahedra that share corners with two equivalent O(5)SrCa3TiMn octahedra,  an edgeedge with one O(7)SrCa3Mn2 octahedra,  an edgeedge with one O(5)SrCa3TiMn octahedra, and  an edgeedge with one O(9)Ca2TiMn tetrahedra. The corner-sharing octahedral tilt angles range from 7-21°. In the tenth O site, O(10) is bonded in a 6-coordinate geometry to one Ca(2), one Ca(3), one Ca(4), one Ca(5), one Mn(1), and one Mn(3) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Ca(2), one Ca(4), one Mn(2), and one Mn(4) atom. In the twelfth O site, O(12) is bonded in a 6-coordinate geometry to one Ca(2), one Ca(3), one Ca(4), one Ca(5), one Mn(3), and one Mn(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_SrCa7TiMn7O22
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.705
_cell_length_b   7.705
_cell_length_c   7.712
_cell_angle_alpha   89.926
_cell_angle_beta   89.926
_cell_angle_gamma   90.669
_symmetry_Int_Tables_number   1
_cell_volume   457.820
_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  0.252  0.252  0.228  1.0
  Ca  Ca1  1  0.254  0.254  0.740  1.0
  Ca  Ca2  1  0.249  0.743  0.243  1.0
  Ca  Ca3  1  0.260  0.748  0.734  1.0
  Ca  Ca4  1  0.743  0.249  0.243  1.0
  Ca  Ca5  1  0.748  0.260  0.734  1.0
  Ca  Ca6  1  0.749  0.749  0.249  1.0
  Ca  Ca7  1  0.749  0.749  0.695  1.0
  Ti  Ti8  1  0.990  0.990  0.979  1.0
  Mn  Mn9  1  0.001  0.001  0.503  1.0
  Mn  Mn10  1  0.995  0.504  0.007  1.0
  Mn  Mn11  1  1.000  0.501  0.497  1.0
  Mn  Mn12  1  0.504  0.995  0.007  1.0
  Mn  Mn13  1  0.501  1.000  0.497  1.0
  Mn  Mn14  1  0.508  0.508  0.987  1.0
  Mn  Mn15  1  0.501  0.501  0.509  1.0
  O  O16  1  0.957  0.957  0.756  1.0
  O  O17  1  0.032  0.468  0.254  1.0
  O  O18  1  0.963  0.535  0.754  1.0
  O  O19  1  0.468  0.032  0.254  1.0
  O  O20  1  0.535  0.963  0.754  1.0
  O  O21  1  0.539  0.539  0.751  1.0
  O  O22  1  0.246  0.996  0.988  1.0
  O  O23  1  0.249  0.999  0.537  1.0
  O  O24  1  0.255  0.504  0.986  1.0
  O  O25  1  0.253  0.503  0.529  1.0
  O  O26  1  0.754  0.001  0.056  1.0
  O  O27  1  0.755  0.003  0.453  1.0
  O  O28  1  0.743  0.497  0.060  1.0
  O  O29  1  0.745  0.497  0.456  1.0
  O  O30  1  0.996  0.246  0.988  1.0
  O  O31  1  0.999  0.249  0.537  1.0
  O  O32  1  0.001  0.754  0.056  1.0
  O  O33  1  0.003  0.755  0.453  1.0
  O  O34  1  0.504  0.255  0.986  1.0
  O  O35  1  0.503  0.253  0.529  1.0
  O  O36  1  0.497  0.743  0.060  1.0
  O  O37  1  0.497  0.745  0.456  1.0
[/CIF]
.
The crystal structure described by SrCa7TiMn7O22 is Orthorhombic Perovskite-derived structured and crystallizes in the monoclinic Cm space group. Sr(1) is bonded in a 10-coordinate geometry to two equivalent O(2), two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. There are five inequivalent Ca sites. In the first Ca site, Ca(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. In the second Ca site, Ca(2) is bonded in a 10-coordinate geometry to one O(10), one O(11), one O(12), one O(5), one O(6), one O(7), one O(8), one O(9), and two equivalent O(2) atoms. In the third Ca site, Ca(3) is bonded in a 10-coordinate geometry to one O(1), one O(10), one O(12), one O(4), one O(5), one O(6), one O(7), one O(8), and two equivalent O(3) atoms. In the fourth Ca site, Ca(4) is bonded in a body-centered cubic geometry to two equivalent O(10), two equivalent O(11), two equivalent O(12), and two equivalent O(9) atoms. In the fifth Ca site, Ca(5) is bonded in a 8-coordinate geometry to one O(1), one O(4), two equivalent O(10), two equivalent O(12), and two equivalent O(3) atoms. Ti(1) is bonded to one O(1), two equivalent O(5), and two equivalent O(9) atoms to form distorted TiO5 square pyramids that share corners with four equivalent Mn(2)O6 octahedra and  a cornercorner with one Mn(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 3-30°. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), two equivalent O(10), and two equivalent O(6) atoms to form MnO5 square pyramids that share corners with four equivalent Mn(3)O6 octahedra and  a cornercorner with one Ti(1)O5 square pyramid. The corner-sharing octahedral tilt angles range from 17-21°. In the second Mn site, Mn(2) is bonded to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form MnO6 octahedra that share corners with two equivalent Mn(3)O6 octahedra, corners with two equivalent Ti(1)O5 square pyramids, and corners with two equivalent Mn(4)O5 square pyramids. The corner-sharing octahedral tilt angles range from 21-22°. In the third Mn site, Mn(3) is bonded to one O(10), one O(12), one O(2), one O(3), one O(6), and one O(8) atom to form MnO6 octahedra that share corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(1)O5 square pyramids, and corners with two equivalent Mn(5)O5 square pyramids. The corner-sharing octahedral tilt angles range from 21-22°. In the fourth Mn site, Mn(4) is bonded to one O(4), two equivalent O(11), and two equivalent O(7) atoms to form MnO5 square pyramids that share corners with four equivalent Mn(2)O6 octahedra and  a cornercorner with one Mn(5)O5 square pyramid. The corner-sharing octahedral tilt angles range from 5-29°. In the fifth Mn site, Mn(5) is bonded to one O(4), two equivalent O(12), and two equivalent O(8) atoms to form MnO5 square pyramids that share corners with four equivalent Mn(3)O6 octahedra and  a cornercorner with one Mn(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 12-21°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Ca(5), two equivalent Ca(3), one Ti(1), and one Mn(1) atom. In the second O site, O(2) is bonded in a 5-coordinate geometry to one Sr(1), two equivalent Ca(2), one Mn(2), and one Mn(3) atom. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Ca(5), two equivalent Ca(3), one Mn(2), and one Mn(3) atom. In the fourth O site, O(4) is bonded in a 5-coordinate geometry to one Ca(5), two equivalent Ca(3), one Mn(4), and one Mn(5) atom. In the fifth O site, O(5) is bonded to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Ti(1), and one Mn(2) atom to form distorted OSrCa3TiMn octahedra that share corners with two equivalent O(9)Ca2TiMn tetrahedra, edges with two equivalent O(7)SrCa3Mn2 octahedra,  an edgeedge with one O(9)Ca2TiMn tetrahedra,  a faceface with one O(7)SrCa3Mn2 octahedra, and  a faceface with one O(5)SrCa3TiMn octahedra. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(1), and one Mn(3) atom. In the seventh O site, O(7) is bonded to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(2), and one Mn(4) atom to form distorted OSrCa3Mn2 octahedra that share edges with two equivalent O(5)SrCa3TiMn octahedra,  an edgeedge with one O(9)Ca2TiMn tetrahedra,  a faceface with one O(7)SrCa3Mn2 octahedra, and  a faceface with one O(5)SrCa3TiMn octahedra. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Sr(1), one Ca(1), one Ca(2), one Ca(3), one Mn(3), and one Mn(5) atom. In the ninth O site, O(9) is bonded to one Ca(2), one Ca(4), one Ti(1), and one Mn(2) atom to form distorted OCa2TiMn tetrahedra that share corners with two equivalent O(5)SrCa3TiMn octahedra,  an edgeedge with one O(7)SrCa3Mn2 octahedra,  an edgeedge with one O(5)SrCa3TiMn octahedra, and  an edgeedge with one O(9)Ca2TiMn tetrahedra. The corner-sharing octahedral tilt angles range from 7-21°. In the tenth O site, O(10) is bonded in a 6-coordinate geometry to one Ca(2), one Ca(3), one Ca(4), one Ca(5), one Mn(1), and one Mn(3) atom. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Ca(2), one Ca(4), one Mn(2), and one Mn(4) atom. In the twelfth O site, O(12) is bonded in a 6-coordinate geometry to one Ca(2), one Ca(3), one Ca(4), one Ca(5), one Mn(3), and one Mn(5) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_SrCa7TiMn7O22
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.705
_cell_length_b   7.705
_cell_length_c   7.712
_cell_angle_alpha   89.926
_cell_angle_beta   89.926
_cell_angle_gamma   90.669
_symmetry_Int_Tables_number   1
_cell_volume   457.820
_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  0.252  0.252  0.228  1.0
  Ca  Ca1  1  0.254  0.254  0.740  1.0
  Ca  Ca2  1  0.249  0.743  0.243  1.0
  Ca  Ca3  1  0.260  0.748  0.734  1.0
  Ca  Ca4  1  0.743  0.249  0.243  1.0
  Ca  Ca5  1  0.748  0.260  0.734  1.0
  Ca  Ca6  1  0.749  0.749  0.249  1.0
  Ca  Ca7  1  0.749  0.749  0.695  1.0
  Ti  Ti8  1  0.990  0.990  0.979  1.0
  Mn  Mn9  1  0.001  0.001  0.503  1.0
  Mn  Mn10  1  0.995  0.504  0.007  1.0
  Mn  Mn11  1  1.000  0.501  0.497  1.0
  Mn  Mn12  1  0.504  0.995  0.007  1.0
  Mn  Mn13  1  0.501  1.000  0.497  1.0
  Mn  Mn14  1  0.508  0.508  0.987  1.0
  Mn  Mn15  1  0.501  0.501  0.509  1.0
  O  O16  1  0.957  0.957  0.756  1.0
  O  O17  1  0.032  0.468  0.254  1.0
  O  O18  1  0.963  0.535  0.754  1.0
  O  O19  1  0.468  0.032  0.254  1.0
  O  O20  1  0.535  0.963  0.754  1.0
  O  O21  1  0.539  0.539  0.751  1.0
  O  O22  1  0.246  0.996  0.988  1.0
  O  O23  1  0.249  0.999  0.537  1.0
  O  O24  1  0.255  0.504  0.986  1.0
  O  O25  1  0.253  0.503  0.529  1.0
  O  O26  1  0.754  0.001  0.056  1.0
  O  O27  1  0.755  0.003  0.453  1.0
  O  O28  1  0.743  0.497  0.060  1.0
  O  O29  1  0.745  0.497  0.456  1.0
  O  O30  1  0.996  0.246  0.988  1.0
  O  O31  1  0.999  0.249  0.537  1.0
  O  O32  1  0.001  0.754  0.056  1.0
  O  O33  1  0.003  0.755  0.453  1.0
  O  O34  1  0.504  0.255  0.986  1.0
  O  O35  1  0.503  0.253  0.529  1.0
  O  O36  1  0.497  0.743  0.060  1.0
  O  O37  1  0.497  0.745  0.456  1.0
[/CIF]
.