The crystal structure described by MgScNi2SbO6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(2), one O(3), and one O(6) atom. Sc(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted ScO6 octahedra that share  a cornercorner with one Ni(2)O5 trigonal bipyramid, corners with four equivalent Ni(1)O4 trigonal pyramids, and edges with two equivalent Ni(2)O5 trigonal bipyramids. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(2), one O(4), one O(5), and one O(6) atom to form distorted NiO4 trigonal pyramids that share corners with four equivalent Sc(1)O6 octahedra and corners with three equivalent Ni(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 55-63°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(6) atom to form NiO5 trigonal bipyramids that share  a cornercorner with one Sc(1)O6 octahedra, corners with three equivalent Ni(1)O4 trigonal pyramids, and edges with two equivalent Sc(1)O6 octahedra. The corner-sharing octahedral tilt angles are 64°. Sb(1) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(4), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Sc(1), one Ni(2), and one Sb(1) atom to form distorted OMgScNiSb trigonal pyramids that share  a cornercorner with one O(2)MgScNi2 trigonal pyramid, corners with three equivalent O(4)ScNi2Sb trigonal pyramids,  an edgeedge with one O(2)MgScNi2 trigonal pyramid, and edges with two equivalent O(3)MgScNiSb trigonal pyramids. In the second O site, O(2) is bonded to one Mg(1), one Sc(1), one Ni(1), and one Ni(2) atom to form distorted OMgScNi2 trigonal pyramids that share  a cornercorner with one O(1)MgScNiSb trigonal pyramid, corners with three equivalent O(3)MgScNiSb trigonal pyramids, corners with three equivalent O(4)ScNi2Sb trigonal pyramids, and  an edgeedge with one O(1)MgScNiSb trigonal pyramid. In the third O site, O(3) is bonded to one Mg(1), one Sc(1), one Ni(2), and one Sb(1) atom to form distorted OMgScNiSb trigonal pyramids that share  a cornercorner with one O(4)ScNi2Sb trigonal pyramid, corners with three equivalent O(2)MgScNi2 trigonal pyramids,  an edgeedge with one O(4)ScNi2Sb trigonal pyramid, and edges with two equivalent O(1)MgScNiSb trigonal pyramids. In the fourth O site, O(4) is bonded to one Sc(1), one Ni(1), one Ni(2), and one Sb(1) atom to form distorted OScNi2Sb trigonal pyramids that share  a cornercorner with one O(3)MgScNiSb trigonal pyramid, corners with three equivalent O(2)MgScNi2 trigonal pyramids, corners with three equivalent O(1)MgScNiSb trigonal pyramids, and  an edgeedge with one O(3)MgScNiSb trigonal pyramid. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Sc(1), one Ni(1), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), one Sc(1), one Ni(1), and one Ni(2) atom. is represented by the CIF file [CIF]
data_MgScNi2SbO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.722
_cell_length_b   6.009
_cell_length_c   6.526
_cell_angle_alpha   54.392
_cell_angle_beta   55.721
_cell_angle_gamma   54.015
_symmetry_Int_Tables_number   1
_cell_volume   139.031
_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
  Mg  Mg0  1  0.349  0.546  0.171  1.0
  Sc  Sc1  1  0.788  0.847  0.559  1.0
  Ni  Ni2  1  0.977  0.020  0.879  1.0
  Ni  Ni3  1  0.579  0.531  0.484  1.0
  Sb  Sb4  1  0.195  0.252  0.053  1.0
  O  O5  1  0.261  0.828  0.301  1.0
  O  O6  1  0.884  0.725  0.269  1.0
  O  O7  1  0.721  0.288  0.273  1.0
  O  O8  1  0.672  0.091  0.778  1.0
  O  O9  1  0.084  0.368  0.750  1.0
  O  O10  1  0.413  0.740  0.771  1.0
[/CIF]
.
The crystal structure described by MgScNi2SbO6 crystallizes in the triclinic P1 space group. Mg(1) is bonded in a distorted see-saw-like geometry to one O(1), one O(2), one O(3), and one O(6) atom. Sc(1) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted ScO6 octahedra that share  a cornercorner with one Ni(2)O5 trigonal bipyramid, corners with four equivalent Ni(1)O4 trigonal pyramids, and edges with two equivalent Ni(2)O5 trigonal bipyramids. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(2), one O(4), one O(5), and one O(6) atom to form distorted NiO4 trigonal pyramids that share corners with four equivalent Sc(1)O6 octahedra and corners with three equivalent Ni(2)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 55-63°. In the second Ni site, Ni(2) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(6) atom to form NiO5 trigonal bipyramids that share  a cornercorner with one Sc(1)O6 octahedra, corners with three equivalent Ni(1)O4 trigonal pyramids, and edges with two equivalent Sc(1)O6 octahedra. The corner-sharing octahedral tilt angles are 64°. Sb(1) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(4), and one O(5) atom. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), one Sc(1), one Ni(2), and one Sb(1) atom to form distorted OMgScNiSb trigonal pyramids that share  a cornercorner with one O(2)MgScNi2 trigonal pyramid, corners with three equivalent O(4)ScNi2Sb trigonal pyramids,  an edgeedge with one O(2)MgScNi2 trigonal pyramid, and edges with two equivalent O(3)MgScNiSb trigonal pyramids. In the second O site, O(2) is bonded to one Mg(1), one Sc(1), one Ni(1), and one Ni(2) atom to form distorted OMgScNi2 trigonal pyramids that share  a cornercorner with one O(1)MgScNiSb trigonal pyramid, corners with three equivalent O(3)MgScNiSb trigonal pyramids, corners with three equivalent O(4)ScNi2Sb trigonal pyramids, and  an edgeedge with one O(1)MgScNiSb trigonal pyramid. In the third O site, O(3) is bonded to one Mg(1), one Sc(1), one Ni(2), and one Sb(1) atom to form distorted OMgScNiSb trigonal pyramids that share  a cornercorner with one O(4)ScNi2Sb trigonal pyramid, corners with three equivalent O(2)MgScNi2 trigonal pyramids,  an edgeedge with one O(4)ScNi2Sb trigonal pyramid, and edges with two equivalent O(1)MgScNiSb trigonal pyramids. In the fourth O site, O(4) is bonded to one Sc(1), one Ni(1), one Ni(2), and one Sb(1) atom to form distorted OScNi2Sb trigonal pyramids that share  a cornercorner with one O(3)MgScNiSb trigonal pyramid, corners with three equivalent O(2)MgScNi2 trigonal pyramids, corners with three equivalent O(1)MgScNiSb trigonal pyramids, and  an edgeedge with one O(3)MgScNiSb trigonal pyramid. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one Sc(1), one Ni(1), and one Sb(1) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Mg(1), one Sc(1), one Ni(1), and one Ni(2) atom. is represented by the CIF file [CIF]
data_MgScNi2SbO6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.722
_cell_length_b   6.009
_cell_length_c   6.526
_cell_angle_alpha   54.392
_cell_angle_beta   55.721
_cell_angle_gamma   54.015
_symmetry_Int_Tables_number   1
_cell_volume   139.031
_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
  Mg  Mg0  1  0.349  0.546  0.171  1.0
  Sc  Sc1  1  0.788  0.847  0.559  1.0
  Ni  Ni2  1  0.977  0.020  0.879  1.0
  Ni  Ni3  1  0.579  0.531  0.484  1.0
  Sb  Sb4  1  0.195  0.252  0.053  1.0
  O  O5  1  0.261  0.828  0.301  1.0
  O  O6  1  0.884  0.725  0.269  1.0
  O  O7  1  0.721  0.288  0.273  1.0
  O  O8  1  0.672  0.091  0.778  1.0
  O  O9  1  0.084  0.368  0.750  1.0
  O  O10  1  0.413  0.740  0.771  1.0
[/CIF]
.