The structure described by MgDy2Mn4O8 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 4-coordinate geometry to one O(1), one O(5), one O(6), and one O(8) atom. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to one O(2), one O(3), one O(4), and one O(7) atom to form distorted DyO4 tetrahedra that share corners with three equivalent Mn(1)O5 square pyramids and corners with three equivalent Mn(3)O5 square pyramids. In the second Dy site, Dy(2) is bonded to one O(1), one O(5), one O(6), and one O(8) atom to form DyO4 tetrahedra that share corners with two equivalent Mn(1)O5 square pyramids and corners with two equivalent Mn(3)O5 square pyramids. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(4), one O(7), and one O(8) atom to form distorted MnO5 square pyramids that share corners with two equivalent Dy(2)O4 tetrahedra, corners with three equivalent Dy(1)O4 tetrahedra, and  an edgeedge with one Mn(3)O5 square pyramid. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(7), and one O(8) atom. In the third Mn site, Mn(3) is bonded to one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form distorted MnO5 square pyramids that share corners with two equivalent Dy(2)O4 tetrahedra, corners with three equivalent Dy(1)O4 tetrahedra, and  an edgeedge with one Mn(1)O5 square pyramid. In the fourth Mn site, Mn(4) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Dy(2), one Mn(1), and one Mn(2) atom to form a mixture of distorted face and corner-sharing ODyMgMn2 tetrahedra. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), one Mn(1), one Mn(2), and one Mn(4) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Dy(1), one Mn(1), one Mn(3), and one Mn(4) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Dy(2), one Mn(3), and one Mn(4) atom to form a mixture of distorted face and corner-sharing ODyMgMn2 tetrahedra. In the sixth O site, O(6) is bonded to one Mg(1), one Dy(2), one Mn(3), and one Mn(4) atom to form a mixture of distorted face and corner-sharing ODyMgMn2 tetrahedra. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Dy(1), one Mn(1), one Mn(2), and one Mn(3) atom. In the eighth O site, O(8) is bonded to one Mg(1), one Dy(2), one Mn(1), and one Mn(2) atom to form a mixture of distorted face and corner-sharing ODyMgMn2 tetrahedra. is represented by the CIF card [CIF]
data_Dy2MgMn4O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.167
_cell_length_b   7.127
_cell_length_c   6.256
_cell_angle_alpha   63.653
_cell_angle_beta   63.736
_cell_angle_gamma   51.888
_symmetry_Int_Tables_number   1
_cell_volume   218.769
_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  0.115  0.134  0.135  1.0
  Dy  Dy1  1  0.890  0.860  0.862  1.0
  Mg  Mg2  1  0.651  0.599  0.601  1.0
  Mn  Mn3  1  0.515  0.053  0.460  1.0
  Mn  Mn4  1  0.050  0.575  0.430  1.0
  Mn  Mn5  1  0.472  0.458  0.053  1.0
  Mn  Mn6  1  0.446  0.430  0.574  1.0
  O  O7  1  0.747  0.750  0.712  1.0
  O  O8  1  0.240  0.268  0.737  1.0
  O  O9  1  0.256  0.736  0.268  1.0
  O  O10  1  0.721  0.243  0.283  1.0
  O  O11  1  0.729  0.256  0.761  1.0
  O  O12  1  0.292  0.711  0.750  1.0
  O  O13  1  0.252  0.283  0.244  1.0
  O  O14  1  0.755  0.760  0.258  1.0
[/CIF]
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The structure described by MgDy2Mn4O8 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a 4-coordinate geometry to one O(1), one O(5), one O(6), and one O(8) atom. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded to one O(2), one O(3), one O(4), and one O(7) atom to form distorted DyO4 tetrahedra that share corners with three equivalent Mn(1)O5 square pyramids and corners with three equivalent Mn(3)O5 square pyramids. In the second Dy site, Dy(2) is bonded to one O(1), one O(5), one O(6), and one O(8) atom to form DyO4 tetrahedra that share corners with two equivalent Mn(1)O5 square pyramids and corners with two equivalent Mn(3)O5 square pyramids. There are four inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(4), one O(7), and one O(8) atom to form distorted MnO5 square pyramids that share corners with two equivalent Dy(2)O4 tetrahedra, corners with three equivalent Dy(1)O4 tetrahedra, and  an edgeedge with one Mn(3)O5 square pyramid. In the second Mn site, Mn(2) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(7), and one O(8) atom. In the third Mn site, Mn(3) is bonded to one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form distorted MnO5 square pyramids that share corners with two equivalent Dy(2)O4 tetrahedra, corners with three equivalent Dy(1)O4 tetrahedra, and  an edgeedge with one Mn(1)O5 square pyramid. In the fourth Mn site, Mn(4) is bonded in a 5-coordinate geometry to one O(2), one O(3), one O(4), one O(5), and one O(6) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Dy(2), one Mn(1), and one Mn(2) atom to form a mixture of distorted face and corner-sharing ODyMgMn2 tetrahedra. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), one Mn(1), one Mn(2), and one Mn(4) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Dy(1), one Mn(2), one Mn(3), and one Mn(4) atom. In the fourth O site, O(4) is bonded in a rectangular see-saw-like geometry to one Dy(1), one Mn(1), one Mn(3), and one Mn(4) atom. In the fifth O site, O(5) is bonded to one Mg(1), one Dy(2), one Mn(3), and one Mn(4) atom to form a mixture of distorted face and corner-sharing ODyMgMn2 tetrahedra. In the sixth O site, O(6) is bonded to one Mg(1), one Dy(2), one Mn(3), and one Mn(4) atom to form a mixture of distorted face and corner-sharing ODyMgMn2 tetrahedra. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Dy(1), one Mn(1), one Mn(2), and one Mn(3) atom. In the eighth O site, O(8) is bonded to one Mg(1), one Dy(2), one Mn(1), and one Mn(2) atom to form a mixture of distorted face and corner-sharing ODyMgMn2 tetrahedra. is represented by the CIF card [CIF]
data_Dy2MgMn4O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.167
_cell_length_b   7.127
_cell_length_c   6.256
_cell_angle_alpha   63.653
_cell_angle_beta   63.736
_cell_angle_gamma   51.888
_symmetry_Int_Tables_number   1
_cell_volume   218.769
_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  0.115  0.134  0.135  1.0
  Dy  Dy1  1  0.890  0.860  0.862  1.0
  Mg  Mg2  1  0.651  0.599  0.601  1.0
  Mn  Mn3  1  0.515  0.053  0.460  1.0
  Mn  Mn4  1  0.050  0.575  0.430  1.0
  Mn  Mn5  1  0.472  0.458  0.053  1.0
  Mn  Mn6  1  0.446  0.430  0.574  1.0
  O  O7  1  0.747  0.750  0.712  1.0
  O  O8  1  0.240  0.268  0.737  1.0
  O  O9  1  0.256  0.736  0.268  1.0
  O  O10  1  0.721  0.243  0.283  1.0
  O  O11  1  0.729  0.256  0.761  1.0
  O  O12  1  0.292  0.711  0.750  1.0
  O  O13  1  0.252  0.283  0.244  1.0
  O  O14  1  0.755  0.760  0.258  1.0
[/CIF]
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