The compound described by CaSm4Ti2Mn2O12 crystallizes in the triclinic P1 space group. Ca(1) is bonded in a 6-coordinate geometry to one O(12), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. There are four inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(5), one O(7), one O(8), and one O(9) atom. In the second Sm site, Sm(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(6), and one O(8) atom. In the third Sm site, Sm(3) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(9) atom. In the fourth Sm site, Sm(4) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(12), one O(3), one O(4), one O(5), and one O(6) atom. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(12), one O(2), one O(4), one O(5), and one O(7) atom to form TiO6 octahedra that share corners with two equivalent Mn(2)O5 trigonal bipyramids. In the second Ti site, Ti(2) is bonded to one O(1), one O(11), one O(3), one O(6), one O(8), and one O(9) atom to form TiO6 octahedra that share corners with three equivalent Mn(2)O5 trigonal bipyramids. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(3), one O(5), and one O(7) atom. In the second Mn site, Mn(2) is bonded to one O(11), one O(2), one O(4), one O(8), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share corners with two equivalent Ti(1)O6 octahedra and corners with three equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-64°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sm(1), one Sm(2), one Ti(2), and one Mn(1) atom to form distorted OSm2TiMn trigonal pyramids that share corners with two equivalent O(3)CaSm2TiMn square pyramids, corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(2)Sm2TiMn tetrahedra, corners with two equivalent O(7)Sm2TiMn tetrahedra,  a cornercorner with one O(12)CaSm3Ti trigonal bipyramid, and  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid. In the second O site, O(2) is bonded to one Sm(1), one Sm(2), one Ti(1), and one Mn(2) atom to form OSm2TiMn tetrahedra that share corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(7)Sm2TiMn tetrahedra, corners with two equivalent O(4)CaSm2TiMn trigonal bipyramids, corners with two equivalent O(1)Sm2TiMn trigonal pyramids,  an edgeedge with one O(12)CaSm3Ti trigonal bipyramid, and  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid. In the third O site, O(3) is bonded to one Ca(1), one Sm(3), one Sm(4), one Ti(2), and one Mn(1) atom to form distorted OCaSm2TiMn square pyramids that share  a cornercorner with one O(4)CaSm2TiMn trigonal bipyramid,  a cornercorner with one O(12)CaSm3Ti trigonal bipyramid,  a cornercorner with one O(11)Sm3TiMn trigonal bipyramid, corners with two equivalent O(1)Sm2TiMn trigonal pyramids,  an edgeedge with one O(7)Sm2TiMn tetrahedra,  an edgeedge with one O(4)CaSm2TiMn trigonal bipyramid,  an edgeedge with one O(12)CaSm3Ti trigonal bipyramid,  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid, and  a faceface with one O(9)CaSm2TiMn square pyramid. In the fourth O site, O(4) is bonded to one Ca(1), one Sm(3), one Sm(4), one Ti(1), and one Mn(2) atom to form distorted OCaSm2TiMn trigonal bipyramids that share  a cornercorner with one O(3)CaSm2TiMn square pyramid, corners with two equivalent O(2)Sm2TiMn tetrahedra,  a cornercorner with one O(11)Sm3TiMn trigonal bipyramid, corners with two equivalent O(12)CaSm3Ti trigonal bipyramids,  an edgeedge with one O(3)CaSm2TiMn square pyramid,  an edgeedge with one O(7)Sm2TiMn tetrahedra,  an edgeedge with one O(12)CaSm3Ti trigonal bipyramid,  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid, and  a faceface with one O(9)CaSm2TiMn square pyramid. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Sm(1), one Sm(3), one Sm(4), one Ti(1), and one Mn(1) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Ca(1), one Sm(2), one Sm(3), one Sm(4), and one Ti(2) atom. In the seventh O site, O(7) is bonded to one Sm(1), one Sm(3), one Ti(1), and one Mn(1) atom to form distorted OSm2TiMn tetrahedra that share corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(2)Sm2TiMn tetrahedra, corners with two equivalent O(12)CaSm3Ti trigonal bipyramids, corners with two equivalent O(11)Sm3TiMn trigonal bipyramids, corners with two equivalent O(1)Sm2TiMn trigonal pyramids,  an edgeedge with one O(3)CaSm2TiMn square pyramid, and  an edgeedge with one O(4)CaSm2TiMn trigonal bipyramid. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Ca(1), one Sm(1), one Sm(2), one Ti(2), and one Mn(2) atom. In the ninth O site, O(9) is bonded to one Ca(1), one Sm(1), one Sm(3), one Ti(2), and one Mn(2) atom to form distorted OCaSm2TiMn square pyramids that share corners with two equivalent O(2)Sm2TiMn tetrahedra, corners with two equivalent O(7)Sm2TiMn tetrahedra, corners with two equivalent O(12)CaSm3Ti trigonal bipyramids, corners with two equivalent O(11)Sm3TiMn trigonal bipyramids, corners with two equivalent O(1)Sm2TiMn trigonal pyramids,  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid,  a faceface with one O(3)CaSm2TiMn square pyramid, and  a faceface with one O(4)CaSm2TiMn trigonal bipyramid. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sm(1), one Sm(2), one Sm(4), one Ti(1), and one Mn(1) atom. In the eleventh O site, O(11) is bonded to one Sm(1), one Sm(3), one Sm(4), one Ti(2), and one Mn(2) atom to form OSm3TiMn trigonal bipyramids that share  a cornercorner with one O(3)CaSm2TiMn square pyramid, corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(7)Sm2TiMn tetrahedra,  a cornercorner with one O(4)CaSm2TiMn trigonal bipyramid, corners with two equivalent O(12)CaSm3Ti trigonal bipyramids,  an edgeedge with one O(3)CaSm2TiMn square pyramid,  an edgeedge with one O(9)CaSm2TiMn square pyramid,  an edgeedge with one O(2)Sm2TiMn tetrahedra,  an edgeedge with one O(4)CaSm2TiMn trigonal bipyramid, and  an edgeedge with one O(1)Sm2TiMn trigonal pyramid. In the twelfth O site, O(12) is bonded to one Ca(1), one Sm(2), one Sm(3), one Sm(4), and one Ti(1) atom to form distorted OCaSm3Ti trigonal bipyramids that share  a cornercorner with one O(3)CaSm2TiMn square pyramid, corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(7)Sm2TiMn tetrahedra, corners with two equivalent O(4)CaSm2TiMn trigonal bipyramids, corners with two equivalent O(11)Sm3TiMn trigonal bipyramids,  a cornercorner with one O(1)Sm2TiMn trigonal pyramid,  an edgeedge with one O(3)CaSm2TiMn square pyramid,  an edgeedge with one O(2)Sm2TiMn tetrahedra, and  an edgeedge with one O(4)CaSm2TiMn trigonal bipyramid. is represented by the CIF file [CIF]
data_CaSm4Ti2Mn2O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.915
_cell_length_b   6.240
_cell_length_c   7.649
_cell_angle_alpha   89.649
_cell_angle_beta   87.083
_cell_angle_gamma   81.745
_symmetry_Int_Tables_number   1
_cell_volume   279.018
_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
  Ca  Ca0  1  0.390  0.298  0.155  1.0
  Sm  Sm1  1  0.983  0.924  0.752  1.0
  Sm  Sm2  1  0.561  0.436  0.741  1.0
  Sm  Sm3  1  0.963  0.076  0.252  1.0
  Sm  Sm4  1  0.651  0.636  0.301  1.0
  Ti  Ti5  1  0.465  0.022  0.514  1.0
  Ti  Ti6  1  0.991  0.497  0.986  1.0
  Mn  Mn7  1  0.117  0.494  0.515  1.0
  Mn  Mn8  1  0.454  0.896  0.967  1.0
  O  O9  1  0.899  0.562  0.734  1.0
  O  O10  1  0.595  0.062  0.751  1.0
  O  O11  1  0.037  0.446  0.261  1.0
  O  O12  1  0.385  0.953  0.250  1.0
  O  O13  1  0.811  0.862  0.459  1.0
  O  O14  1  0.715  0.371  0.037  1.0
  O  O15  1  0.149  0.151  0.546  1.0
  O  O16  1  0.287  0.618  0.943  1.0
  O  O17  1  0.153  0.149  0.964  1.0
  O  O18  1  0.358  0.709  0.569  1.0
  O  O19  1  0.817  0.815  0.050  1.0
  O  O20  1  0.594  0.296  0.420  1.0
[/CIF]
.
The compound described by CaSm4Ti2Mn2O12 crystallizes in the triclinic P1 space group. Ca(1) is bonded in a 6-coordinate geometry to one O(12), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. There are four inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(11), one O(2), one O(5), one O(7), one O(8), and one O(9) atom. In the second Sm site, Sm(2) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(12), one O(2), one O(6), and one O(8) atom. In the third Sm site, Sm(3) is bonded in a 8-coordinate geometry to one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), one O(7), and one O(9) atom. In the fourth Sm site, Sm(4) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(12), one O(3), one O(4), one O(5), and one O(6) atom. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(12), one O(2), one O(4), one O(5), and one O(7) atom to form TiO6 octahedra that share corners with two equivalent Mn(2)O5 trigonal bipyramids. In the second Ti site, Ti(2) is bonded to one O(1), one O(11), one O(3), one O(6), one O(8), and one O(9) atom to form TiO6 octahedra that share corners with three equivalent Mn(2)O5 trigonal bipyramids. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(3), one O(5), and one O(7) atom. In the second Mn site, Mn(2) is bonded to one O(11), one O(2), one O(4), one O(8), and one O(9) atom to form distorted MnO5 trigonal bipyramids that share corners with two equivalent Ti(1)O6 octahedra and corners with three equivalent Ti(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-64°. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sm(1), one Sm(2), one Ti(2), and one Mn(1) atom to form distorted OSm2TiMn trigonal pyramids that share corners with two equivalent O(3)CaSm2TiMn square pyramids, corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(2)Sm2TiMn tetrahedra, corners with two equivalent O(7)Sm2TiMn tetrahedra,  a cornercorner with one O(12)CaSm3Ti trigonal bipyramid, and  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid. In the second O site, O(2) is bonded to one Sm(1), one Sm(2), one Ti(1), and one Mn(2) atom to form OSm2TiMn tetrahedra that share corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(7)Sm2TiMn tetrahedra, corners with two equivalent O(4)CaSm2TiMn trigonal bipyramids, corners with two equivalent O(1)Sm2TiMn trigonal pyramids,  an edgeedge with one O(12)CaSm3Ti trigonal bipyramid, and  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid. In the third O site, O(3) is bonded to one Ca(1), one Sm(3), one Sm(4), one Ti(2), and one Mn(1) atom to form distorted OCaSm2TiMn square pyramids that share  a cornercorner with one O(4)CaSm2TiMn trigonal bipyramid,  a cornercorner with one O(12)CaSm3Ti trigonal bipyramid,  a cornercorner with one O(11)Sm3TiMn trigonal bipyramid, corners with two equivalent O(1)Sm2TiMn trigonal pyramids,  an edgeedge with one O(7)Sm2TiMn tetrahedra,  an edgeedge with one O(4)CaSm2TiMn trigonal bipyramid,  an edgeedge with one O(12)CaSm3Ti trigonal bipyramid,  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid, and  a faceface with one O(9)CaSm2TiMn square pyramid. In the fourth O site, O(4) is bonded to one Ca(1), one Sm(3), one Sm(4), one Ti(1), and one Mn(2) atom to form distorted OCaSm2TiMn trigonal bipyramids that share  a cornercorner with one O(3)CaSm2TiMn square pyramid, corners with two equivalent O(2)Sm2TiMn tetrahedra,  a cornercorner with one O(11)Sm3TiMn trigonal bipyramid, corners with two equivalent O(12)CaSm3Ti trigonal bipyramids,  an edgeedge with one O(3)CaSm2TiMn square pyramid,  an edgeedge with one O(7)Sm2TiMn tetrahedra,  an edgeedge with one O(12)CaSm3Ti trigonal bipyramid,  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid, and  a faceface with one O(9)CaSm2TiMn square pyramid. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Sm(1), one Sm(3), one Sm(4), one Ti(1), and one Mn(1) atom. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to one Ca(1), one Sm(2), one Sm(3), one Sm(4), and one Ti(2) atom. In the seventh O site, O(7) is bonded to one Sm(1), one Sm(3), one Ti(1), and one Mn(1) atom to form distorted OSm2TiMn tetrahedra that share corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(2)Sm2TiMn tetrahedra, corners with two equivalent O(12)CaSm3Ti trigonal bipyramids, corners with two equivalent O(11)Sm3TiMn trigonal bipyramids, corners with two equivalent O(1)Sm2TiMn trigonal pyramids,  an edgeedge with one O(3)CaSm2TiMn square pyramid, and  an edgeedge with one O(4)CaSm2TiMn trigonal bipyramid. In the eighth O site, O(8) is bonded in a 5-coordinate geometry to one Ca(1), one Sm(1), one Sm(2), one Ti(2), and one Mn(2) atom. In the ninth O site, O(9) is bonded to one Ca(1), one Sm(1), one Sm(3), one Ti(2), and one Mn(2) atom to form distorted OCaSm2TiMn square pyramids that share corners with two equivalent O(2)Sm2TiMn tetrahedra, corners with two equivalent O(7)Sm2TiMn tetrahedra, corners with two equivalent O(12)CaSm3Ti trigonal bipyramids, corners with two equivalent O(11)Sm3TiMn trigonal bipyramids, corners with two equivalent O(1)Sm2TiMn trigonal pyramids,  an edgeedge with one O(11)Sm3TiMn trigonal bipyramid,  a faceface with one O(3)CaSm2TiMn square pyramid, and  a faceface with one O(4)CaSm2TiMn trigonal bipyramid. In the tenth O site, O(10) is bonded in a 5-coordinate geometry to one Sm(1), one Sm(2), one Sm(4), one Ti(1), and one Mn(1) atom. In the eleventh O site, O(11) is bonded to one Sm(1), one Sm(3), one Sm(4), one Ti(2), and one Mn(2) atom to form OSm3TiMn trigonal bipyramids that share  a cornercorner with one O(3)CaSm2TiMn square pyramid, corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(7)Sm2TiMn tetrahedra,  a cornercorner with one O(4)CaSm2TiMn trigonal bipyramid, corners with two equivalent O(12)CaSm3Ti trigonal bipyramids,  an edgeedge with one O(3)CaSm2TiMn square pyramid,  an edgeedge with one O(9)CaSm2TiMn square pyramid,  an edgeedge with one O(2)Sm2TiMn tetrahedra,  an edgeedge with one O(4)CaSm2TiMn trigonal bipyramid, and  an edgeedge with one O(1)Sm2TiMn trigonal pyramid. In the twelfth O site, O(12) is bonded to one Ca(1), one Sm(2), one Sm(3), one Sm(4), and one Ti(1) atom to form distorted OCaSm3Ti trigonal bipyramids that share  a cornercorner with one O(3)CaSm2TiMn square pyramid, corners with two equivalent O(9)CaSm2TiMn square pyramids, corners with two equivalent O(7)Sm2TiMn tetrahedra, corners with two equivalent O(4)CaSm2TiMn trigonal bipyramids, corners with two equivalent O(11)Sm3TiMn trigonal bipyramids,  a cornercorner with one O(1)Sm2TiMn trigonal pyramid,  an edgeedge with one O(3)CaSm2TiMn square pyramid,  an edgeedge with one O(2)Sm2TiMn tetrahedra, and  an edgeedge with one O(4)CaSm2TiMn trigonal bipyramid. is represented by the CIF file [CIF]
data_CaSm4Ti2Mn2O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.915
_cell_length_b   6.240
_cell_length_c   7.649
_cell_angle_alpha   89.649
_cell_angle_beta   87.083
_cell_angle_gamma   81.745
_symmetry_Int_Tables_number   1
_cell_volume   279.018
_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
  Ca  Ca0  1  0.390  0.298  0.155  1.0
  Sm  Sm1  1  0.983  0.924  0.752  1.0
  Sm  Sm2  1  0.561  0.436  0.741  1.0
  Sm  Sm3  1  0.963  0.076  0.252  1.0
  Sm  Sm4  1  0.651  0.636  0.301  1.0
  Ti  Ti5  1  0.465  0.022  0.514  1.0
  Ti  Ti6  1  0.991  0.497  0.986  1.0
  Mn  Mn7  1  0.117  0.494  0.515  1.0
  Mn  Mn8  1  0.454  0.896  0.967  1.0
  O  O9  1  0.899  0.562  0.734  1.0
  O  O10  1  0.595  0.062  0.751  1.0
  O  O11  1  0.037  0.446  0.261  1.0
  O  O12  1  0.385  0.953  0.250  1.0
  O  O13  1  0.811  0.862  0.459  1.0
  O  O14  1  0.715  0.371  0.037  1.0
  O  O15  1  0.149  0.151  0.546  1.0
  O  O16  1  0.287  0.618  0.943  1.0
  O  O17  1  0.153  0.149  0.964  1.0
  O  O18  1  0.358  0.709  0.569  1.0
  O  O19  1  0.817  0.815  0.050  1.0
  O  O20  1  0.594  0.296  0.420  1.0
[/CIF]
.