The material described by MgDy4Ti2O10 crystallizes in the monoclinic Pm space group. Mg(1) is bonded in a distorted T-shaped geometry to one O(4) and two equivalent O(1) atoms. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(2) atoms to form distorted DyO6 pentagonal pyramids that share  a cornercorner with one Ti(2)O6 octahedra, corners with three equivalent Dy(1)O6 pentagonal pyramids, edges with two equivalent Ti(2)O6 octahedra, and  an edgeedge with one Ti(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 31°. In the second Dy site, Dy(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(6), and two equivalent O(5) atoms. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form distorted TiO6 pentagonal pyramids that share corners with two equivalent Ti(1)O6 pentagonal pyramids and edges with two equivalent Dy(1)O6 pentagonal pyramids. In the second Ti site, Ti(2) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form distorted TiO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Dy(1)O6 pentagonal pyramids, and edges with four equivalent Dy(1)O6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 31°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Dy(1), one Dy(2), and one Ti(1) atom. In the second O site, O(2) is bonded to one Dy(2), two equivalent Dy(1), and one Ti(2) atom to form ODy3Ti trigonal pyramids that share  a cornercorner with one O(4)Dy2MgTi2 trigonal bipyramid, corners with three equivalent O(2)Dy3Ti trigonal pyramids, and edges with two equivalent O(5)Dy3Ti tetrahedra. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Dy(1) and two equivalent Ti(2) atoms. In the fourth O site, O(4) is bonded to one Mg(1), two equivalent Dy(2), and two equivalent Ti(1) atoms to form ODy2MgTi2 trigonal bipyramids that share corners with two equivalent O(4)Dy2MgTi2 trigonal bipyramids, corners with two equivalent O(2)Dy3Ti trigonal pyramids, and edges with four equivalent O(5)Dy3Ti tetrahedra. In the fifth O site, O(5) is bonded to one Dy(1), two equivalent Dy(2), and one Ti(1) atom to form ODy3Ti tetrahedra that share corners with three equivalent O(5)Dy3Ti tetrahedra, edges with two equivalent O(4)Dy2MgTi2 trigonal bipyramids, and edges with two equivalent O(2)Dy3Ti trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Dy(1), one Dy(2), and one Ti(2) atom. is represented by the CIF card [CIF]
data_Dy4MgTi2O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.134
_cell_length_b   5.987
_cell_length_c   10.625
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   68.542
_symmetry_Int_Tables_number   1
_cell_volume   244.756
_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
  Dy  Dy0  1  0.131  0.729  0.927  1.0
  Dy  Dy1  1  0.131  0.729  0.573  1.0
  Dy  Dy2  1  0.872  0.288  0.064  1.0
  Dy  Dy3  1  0.872  0.288  0.436  1.0
  Mg  Mg4  1  0.593  0.944  0.250  1.0
  Ti  Ti5  1  0.220  0.579  0.250  1.0
  Ti  Ti6  1  0.780  0.358  0.750  1.0
  O  O7  1  0.991  0.904  0.377  1.0
  O  O8  1  0.991  0.904  0.123  1.0
  O  O9  1  0.707  0.593  0.903  1.0
  O  O10  1  0.707  0.593  0.597  1.0
  O  O11  1  0.292  0.459  0.750  1.0
  O  O12  1  0.714  0.575  0.250  1.0
  O  O13  1  0.299  0.433  0.076  1.0
  O  O14  1  0.299  0.433  0.424  1.0
  O  O15  1  0.943  0.115  0.624  1.0
  O  O16  1  0.943  0.115  0.876  1.0
[/CIF]
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The material described by MgDy4Ti2O10 crystallizes in the monoclinic Pm space group. Mg(1) is bonded in a distorted T-shaped geometry to one O(4) and two equivalent O(1) atoms. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to one O(1), one O(3), one O(5), one O(6), and two equivalent O(2) atoms to form distorted DyO6 pentagonal pyramids that share  a cornercorner with one Ti(2)O6 octahedra, corners with three equivalent Dy(1)O6 pentagonal pyramids, edges with two equivalent Ti(2)O6 octahedra, and  an edgeedge with one Ti(1)O6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 31°. In the second Dy site, Dy(2) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(6), and two equivalent O(5) atoms. There are two inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to two equivalent O(1), two equivalent O(4), and two equivalent O(5) atoms to form distorted TiO6 pentagonal pyramids that share corners with two equivalent Ti(1)O6 pentagonal pyramids and edges with two equivalent Dy(1)O6 pentagonal pyramids. In the second Ti site, Ti(2) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form distorted TiO6 octahedra that share corners with two equivalent Ti(2)O6 octahedra, corners with two equivalent Dy(1)O6 pentagonal pyramids, and edges with four equivalent Dy(1)O6 pentagonal pyramids. The corner-sharing octahedral tilt angles are 31°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Mg(1), one Dy(1), one Dy(2), and one Ti(1) atom. In the second O site, O(2) is bonded to one Dy(2), two equivalent Dy(1), and one Ti(2) atom to form ODy3Ti trigonal pyramids that share  a cornercorner with one O(4)Dy2MgTi2 trigonal bipyramid, corners with three equivalent O(2)Dy3Ti trigonal pyramids, and edges with two equivalent O(5)Dy3Ti tetrahedra. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Dy(1) and two equivalent Ti(2) atoms. In the fourth O site, O(4) is bonded to one Mg(1), two equivalent Dy(2), and two equivalent Ti(1) atoms to form ODy2MgTi2 trigonal bipyramids that share corners with two equivalent O(4)Dy2MgTi2 trigonal bipyramids, corners with two equivalent O(2)Dy3Ti trigonal pyramids, and edges with four equivalent O(5)Dy3Ti tetrahedra. In the fifth O site, O(5) is bonded to one Dy(1), two equivalent Dy(2), and one Ti(1) atom to form ODy3Ti tetrahedra that share corners with three equivalent O(5)Dy3Ti tetrahedra, edges with two equivalent O(4)Dy2MgTi2 trigonal bipyramids, and edges with two equivalent O(2)Dy3Ti trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted trigonal non-coplanar geometry to one Dy(1), one Dy(2), and one Ti(2) atom. is represented by the CIF card [CIF]
data_Dy4MgTi2O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.134
_cell_length_b   5.987
_cell_length_c   10.625
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   68.542
_symmetry_Int_Tables_number   1
_cell_volume   244.756
_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
  Dy  Dy0  1  0.131  0.729  0.927  1.0
  Dy  Dy1  1  0.131  0.729  0.573  1.0
  Dy  Dy2  1  0.872  0.288  0.064  1.0
  Dy  Dy3  1  0.872  0.288  0.436  1.0
  Mg  Mg4  1  0.593  0.944  0.250  1.0
  Ti  Ti5  1  0.220  0.579  0.250  1.0
  Ti  Ti6  1  0.780  0.358  0.750  1.0
  O  O7  1  0.991  0.904  0.377  1.0
  O  O8  1  0.991  0.904  0.123  1.0
  O  O9  1  0.707  0.593  0.903  1.0
  O  O10  1  0.707  0.593  0.597  1.0
  O  O11  1  0.292  0.459  0.750  1.0
  O  O12  1  0.714  0.575  0.250  1.0
  O  O13  1  0.299  0.433  0.076  1.0
  O  O14  1  0.299  0.433  0.424  1.0
  O  O15  1  0.943  0.115  0.624  1.0
  O  O16  1  0.943  0.115  0.876  1.0
[/CIF]
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