The compound described by MgDy6(Sb5O12)2 crystallizes in the monoclinic Cm space group. Mg(1) is bonded in a 3-coordinate geometry to one O(6) and two equivalent O(9) atoms. There are three inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(13), one O(2), one O(3), one O(4), one O(6), and one O(7) atom. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(2), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. In the third Dy site, Dy(3) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(13), one O(14), one O(5), one O(8), and one O(9) atom. There are seven inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 3-coordinate geometry to one O(14) and two equivalent O(1) atoms. In the second Sb site, Sb(2) is bonded in a 4-coordinate geometry to one O(1), one O(11), one O(4), and one O(8) atom. In the third Sb site, Sb(3) is bonded in a 3-coordinate geometry to one O(2), one O(5), and one O(7) atom. In the fourth Sb site, Sb(4) is bonded in a 3-coordinate geometry to one O(10), one O(7), and one O(8) atom. In the fifth Sb site, Sb(5) is bonded in a 3-coordinate geometry to one O(6), two equivalent O(4), and two equivalent O(9) atoms. In the sixth Sb site, Sb(6) is bonded in a 4-coordinate geometry to one O(12), one O(3), and two equivalent O(10) atoms. In the seventh Sb site, Sb(7) is bonded in a 3-coordinate geometry to one O(14) and two equivalent O(13) atoms. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Sb(1), and one Sb(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Dy(1), one Dy(2), and one Sb(3) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Dy(1) and one Sb(6) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Sb(2), and one Sb(5) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Dy(2), one Dy(3), and one Sb(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), two equivalent Dy(1), and one Sb(5) atom. In the seventh O site, O(7) is bonded in a distorted tetrahedral geometry to one Dy(1), one Dy(2), one Sb(3), and one Sb(4) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Dy(2), one Dy(3), one Sb(2), and one Sb(4) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Mg(1), one Dy(2), one Dy(3), and one Sb(5) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(3), one Sb(4), and one Sb(6) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Dy(2), one Dy(3), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to two equivalent Dy(3) and one Sb(6) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Dy(1), one Dy(3), and one Sb(7) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Dy(3), one Sb(1), and one Sb(7) atom. is represented by the CIF card [CIF]
data_Dy6Mg(Sb5O12)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.332
_cell_length_b   9.414
_cell_length_c   9.414
_cell_angle_alpha   108.296
_cell_angle_beta   109.111
_cell_angle_gamma   109.111
_symmetry_Int_Tables_number   1
_cell_volume   651.117
_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  0.750  0.259  0.510  1.0
  Dy  Dy1  1  0.750  0.510  0.259  1.0
  Dy  Dy2  1  0.505  0.267  0.753  1.0
  Dy  Dy3  1  0.505  0.753  0.267  1.0
  Dy  Dy4  1  0.268  0.758  0.513  1.0
  Dy  Dy5  1  0.268  0.513  0.758  1.0
  Mg  Mg6  1  0.673  0.699  0.699  1.0
  Sb  Sb7  1  0.524  0.012  0.012  1.0
  Sb  Sb8  1  0.272  0.994  0.282  1.0
  Sb  Sb9  1  0.272  0.282  0.994  1.0
  Sb  Sb10  1  0.754  0.052  0.761  1.0
  Sb  Sb11  1  0.754  0.761  0.052  1.0
  Sb  Sb12  1  0.999  0.529  0.004  1.0
  Sb  Sb13  1  0.999  0.004  0.529  1.0
  Sb  Sb14  1  0.422  0.420  0.420  1.0
  Sb  Sb15  1  0.990  0.284  0.284  1.0
  Sb  Sb16  1  0.032  0.731  0.731  1.0
  O  O17  1  0.470  0.993  0.198  1.0
  O  O18  1  0.470  0.198  0.993  1.0
  O  O19  1  0.706  0.523  0.006  1.0
  O  O20  1  0.706  0.006  0.523  1.0
  O  O21  1  0.784  0.296  0.296  1.0
  O  O22  1  0.484  0.487  0.193  1.0
  O  O23  1  0.484  0.193  0.487  1.0
  O  O24  1  0.515  0.715  0.011  1.0
  O  O25  1  0.515  0.011  0.715  1.0
  O  O26  1  0.683  0.508  0.508  1.0
  O  O27  1  0.789  0.311  0.795  1.0
  O  O28  1  0.789  0.795  0.311  1.0
  O  O29  1  0.196  0.482  0.998  1.0
  O  O30  1  0.196  0.998  0.482  1.0
  O  O31  1  0.478  0.670  0.485  1.0
  O  O32  1  0.478  0.485  0.670  1.0
  O  O33  1  0.981  0.471  0.189  1.0
  O  O34  1  0.981  0.189  0.471  1.0
  O  O35  1  0.291  0.796  0.299  1.0
  O  O36  1  0.291  0.299  0.796  1.0
  O  O37  1  0.182  0.493  0.493  1.0
  O  O38  1  0.004  0.702  0.506  1.0
  O  O39  1  0.004  0.506  0.702  1.0
  O  O40  1  0.291  0.803  0.803  1.0
[/CIF]
.
The compound described by MgDy6(Sb5O12)2 crystallizes in the monoclinic Cm space group. Mg(1) is bonded in a 3-coordinate geometry to one O(6) and two equivalent O(9) atoms. There are three inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(13), one O(2), one O(3), one O(4), one O(6), and one O(7) atom. In the second Dy site, Dy(2) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(2), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. In the third Dy site, Dy(3) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(13), one O(14), one O(5), one O(8), and one O(9) atom. There are seven inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 3-coordinate geometry to one O(14) and two equivalent O(1) atoms. In the second Sb site, Sb(2) is bonded in a 4-coordinate geometry to one O(1), one O(11), one O(4), and one O(8) atom. In the third Sb site, Sb(3) is bonded in a 3-coordinate geometry to one O(2), one O(5), and one O(7) atom. In the fourth Sb site, Sb(4) is bonded in a 3-coordinate geometry to one O(10), one O(7), and one O(8) atom. In the fifth Sb site, Sb(5) is bonded in a 3-coordinate geometry to one O(6), two equivalent O(4), and two equivalent O(9) atoms. In the sixth Sb site, Sb(6) is bonded in a 4-coordinate geometry to one O(12), one O(3), and two equivalent O(10) atoms. In the seventh Sb site, Sb(7) is bonded in a 3-coordinate geometry to one O(14) and two equivalent O(13) atoms. There are fourteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Sb(1), and one Sb(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Dy(1), one Dy(2), and one Sb(3) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to two equivalent Dy(1) and one Sb(6) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(2), one Sb(2), and one Sb(5) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Dy(2), one Dy(3), and one Sb(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), two equivalent Dy(1), and one Sb(5) atom. In the seventh O site, O(7) is bonded in a distorted tetrahedral geometry to one Dy(1), one Dy(2), one Sb(3), and one Sb(4) atom. In the eighth O site, O(8) is bonded in a distorted rectangular see-saw-like geometry to one Dy(2), one Dy(3), one Sb(2), and one Sb(4) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Mg(1), one Dy(2), one Dy(3), and one Sb(5) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Dy(1), one Dy(3), one Sb(4), and one Sb(6) atom. In the eleventh O site, O(11) is bonded in a distorted trigonal non-coplanar geometry to one Dy(2), one Dy(3), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to two equivalent Dy(3) and one Sb(6) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Dy(1), one Dy(3), and one Sb(7) atom. In the fourteenth O site, O(14) is bonded in a distorted rectangular see-saw-like geometry to two equivalent Dy(3), one Sb(1), and one Sb(7) atom. is represented by the CIF card [CIF]
data_Dy6Mg(Sb5O12)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.332
_cell_length_b   9.414
_cell_length_c   9.414
_cell_angle_alpha   108.296
_cell_angle_beta   109.111
_cell_angle_gamma   109.111
_symmetry_Int_Tables_number   1
_cell_volume   651.117
_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  0.750  0.259  0.510  1.0
  Dy  Dy1  1  0.750  0.510  0.259  1.0
  Dy  Dy2  1  0.505  0.267  0.753  1.0
  Dy  Dy3  1  0.505  0.753  0.267  1.0
  Dy  Dy4  1  0.268  0.758  0.513  1.0
  Dy  Dy5  1  0.268  0.513  0.758  1.0
  Mg  Mg6  1  0.673  0.699  0.699  1.0
  Sb  Sb7  1  0.524  0.012  0.012  1.0
  Sb  Sb8  1  0.272  0.994  0.282  1.0
  Sb  Sb9  1  0.272  0.282  0.994  1.0
  Sb  Sb10  1  0.754  0.052  0.761  1.0
  Sb  Sb11  1  0.754  0.761  0.052  1.0
  Sb  Sb12  1  0.999  0.529  0.004  1.0
  Sb  Sb13  1  0.999  0.004  0.529  1.0
  Sb  Sb14  1  0.422  0.420  0.420  1.0
  Sb  Sb15  1  0.990  0.284  0.284  1.0
  Sb  Sb16  1  0.032  0.731  0.731  1.0
  O  O17  1  0.470  0.993  0.198  1.0
  O  O18  1  0.470  0.198  0.993  1.0
  O  O19  1  0.706  0.523  0.006  1.0
  O  O20  1  0.706  0.006  0.523  1.0
  O  O21  1  0.784  0.296  0.296  1.0
  O  O22  1  0.484  0.487  0.193  1.0
  O  O23  1  0.484  0.193  0.487  1.0
  O  O24  1  0.515  0.715  0.011  1.0
  O  O25  1  0.515  0.011  0.715  1.0
  O  O26  1  0.683  0.508  0.508  1.0
  O  O27  1  0.789  0.311  0.795  1.0
  O  O28  1  0.789  0.795  0.311  1.0
  O  O29  1  0.196  0.482  0.998  1.0
  O  O30  1  0.196  0.998  0.482  1.0
  O  O31  1  0.478  0.670  0.485  1.0
  O  O32  1  0.478  0.485  0.670  1.0
  O  O33  1  0.981  0.471  0.189  1.0
  O  O34  1  0.981  0.189  0.471  1.0
  O  O35  1  0.291  0.796  0.299  1.0
  O  O36  1  0.291  0.299  0.796  1.0
  O  O37  1  0.182  0.493  0.493  1.0
  O  O38  1  0.004  0.702  0.506  1.0
  O  O39  1  0.004  0.506  0.702  1.0
  O  O40  1  0.291  0.803  0.803  1.0
[/CIF]
.