The material described by Sr4MgIn2(SbO6)2 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(7), one O(9), and two equivalent O(8) atoms. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one Mg(1), one O(1), one O(11), one O(12), one O(2), one O(4), one O(7), and one O(8) atom. Mg(1) is bonded to one Sr(4), one O(2), one O(7), one O(8), and one O(9) atom to form distorted MgSrO4 tetrahedra that share  a cornercorner with one In(1)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one O(4)Sr3InSb square pyramid, and  an edgeedge with one In(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 43-59°. There are two inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(4), and one O(7) atom to form InO6 octahedra that share corners with four equivalent Sb(1)O6 octahedra and  a cornercorner with one Mg(1)SrO4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-39°. In the second In site, In(2) is bonded to one O(11), one O(2), one O(5), one O(6), and one O(9) atom to form distorted InO5 trigonal bipyramids that share  a cornercorner with one Sb(1)O6 octahedra and  an edgeedge with one Mg(1)SrO4 tetrahedra. The corner-sharing octahedral tilt angles are 44°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(10), one O(12), one O(4), one O(6), and one O(8) atom to form SbO6 octahedra that share corners with four equivalent In(1)O6 octahedra,  a cornercorner with one Mg(1)SrO4 tetrahedra, and  a cornercorner with one In(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 29-39°. In the second Sb site, Sb(2) is bonded in a 6-coordinate geometry to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one In(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one Mg(1), one In(2), and one Sb(2) atom. In the third O site, O(3) is bonded to one Sr(1), one Sr(2), one In(1), and one Sb(2) atom to form distorted OSr2InSb trigonal pyramids that share  a cornercorner with one O(4)Sr3InSb square pyramid, corners with two equivalent O(6)Sr2InSb tetrahedra, corners with three equivalent O(10)Sr2InSb tetrahedra, and  an edgeedge with one O(4)Sr3InSb square pyramid. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Sr(4), one In(1), and one Sb(1) atom to form distorted OSr3InSb square pyramids that share  a cornercorner with one Mg(1)SrO4 tetrahedra, corners with three equivalent O(6)Sr2InSb tetrahedra,  a cornercorner with one O(3)Sr2InSb trigonal pyramid, edges with two equivalent O(10)Sr2InSb tetrahedra, and  an edgeedge with one O(3)Sr2InSb trigonal pyramid. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one In(2), and one Sb(2) atom. In the sixth O site, O(6) is bonded to one Sr(1), one Sr(2), one In(2), and one Sb(1) atom to form OSr2InSb tetrahedra that share corners with three equivalent O(4)Sr3InSb square pyramids,  a cornercorner with one O(10)Sr2InSb tetrahedra, corners with two equivalent O(3)Sr2InSb trigonal pyramids, and  an edgeedge with one O(10)Sr2InSb tetrahedra. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(4), one Mg(1), one In(1), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(4), two equivalent Sr(3), one Mg(1), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Mg(1), one In(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one In(1), and one Sb(1) atom to form distorted OSr2InSb tetrahedra that share  a cornercorner with one O(6)Sr2InSb tetrahedra, corners with three equivalent O(3)Sr2InSb trigonal pyramids, edges with two equivalent O(4)Sr3InSb square pyramids, and  an edgeedge with one O(6)Sr2InSb tetrahedra. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), one In(2), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Sr(3), one Sr(4), one In(1), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr4MgIn2(SbO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.928
_cell_length_b   6.213
_cell_length_c   8.587
_cell_angle_alpha   91.099
_cell_angle_beta   88.156
_cell_angle_gamma   92.879
_symmetry_Int_Tables_number   1
_cell_volume   315.638
_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
  Sr  Sr0  1  0.026  0.043  0.740  1.0
  Sr  Sr1  1  0.508  0.553  0.743  1.0
  Sr  Sr2  1  0.906  0.938  0.226  1.0
  Sr  Sr3  1  0.546  0.390  0.285  1.0
  Mg  Mg4  1  0.343  0.748  0.159  1.0
  In  In5  1  0.033  0.492  0.503  1.0
  In  In6  1  0.494  0.048  0.953  1.0
  Sb  Sb7  1  0.505  0.982  0.509  1.0
  Sb  Sb8  1  0.987  0.484  0.977  1.0
  O  O9  1  0.693  0.718  0.449  1.0
  O  O10  1  0.632  0.730  0.047  1.0
  O  O11  1  0.912  0.454  0.742  1.0
  O  O12  1  0.327  0.254  0.560  1.0
  O  O13  1  0.279  0.323  0.931  1.0
  O  O14  1  0.616  0.964  0.727  1.0
  O  O15  1  0.142  0.540  0.271  1.0
  O  O16  1  0.406  0.006  0.288  1.0
  O  O17  1  0.181  0.865  0.983  1.0
  O  O18  1  0.244  0.780  0.582  1.0
  O  O19  1  0.775  0.222  0.045  1.0
  O  O20  1  0.789  0.184  0.451  1.0
[/CIF]
.
The material described by Sr4MgIn2(SbO6)2 crystallizes in the triclinic P1 space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(12), one O(3), one O(4), one O(5), one O(6), and one O(9) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(7), one O(9), and two equivalent O(8) atoms. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one Mg(1), one O(1), one O(11), one O(12), one O(2), one O(4), one O(7), and one O(8) atom. Mg(1) is bonded to one Sr(4), one O(2), one O(7), one O(8), and one O(9) atom to form distorted MgSrO4 tetrahedra that share  a cornercorner with one In(1)O6 octahedra,  a cornercorner with one Sb(1)O6 octahedra,  a cornercorner with one O(4)Sr3InSb square pyramid, and  an edgeedge with one In(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 43-59°. There are two inequivalent In sites. In the first In site, In(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(4), and one O(7) atom to form InO6 octahedra that share corners with four equivalent Sb(1)O6 octahedra and  a cornercorner with one Mg(1)SrO4 tetrahedra. The corner-sharing octahedral tilt angles range from 29-39°. In the second In site, In(2) is bonded to one O(11), one O(2), one O(5), one O(6), and one O(9) atom to form distorted InO5 trigonal bipyramids that share  a cornercorner with one Sb(1)O6 octahedra and  an edgeedge with one Mg(1)SrO4 tetrahedra. The corner-sharing octahedral tilt angles are 44°. There are two inequivalent Sb sites. In the first Sb site, Sb(1) is bonded to one O(1), one O(10), one O(12), one O(4), one O(6), and one O(8) atom to form SbO6 octahedra that share corners with four equivalent In(1)O6 octahedra,  a cornercorner with one Mg(1)SrO4 tetrahedra, and  a cornercorner with one In(2)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 29-39°. In the second Sb site, Sb(2) is bonded in a 6-coordinate geometry to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 5-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one In(1), and one Sb(1) atom. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Sr(2), one Sr(3), one Sr(4), one Mg(1), one In(2), and one Sb(2) atom. In the third O site, O(3) is bonded to one Sr(1), one Sr(2), one In(1), and one Sb(2) atom to form distorted OSr2InSb trigonal pyramids that share  a cornercorner with one O(4)Sr3InSb square pyramid, corners with two equivalent O(6)Sr2InSb tetrahedra, corners with three equivalent O(10)Sr2InSb tetrahedra, and  an edgeedge with one O(4)Sr3InSb square pyramid. In the fourth O site, O(4) is bonded to one Sr(1), one Sr(2), one Sr(4), one In(1), and one Sb(1) atom to form distorted OSr3InSb square pyramids that share  a cornercorner with one Mg(1)SrO4 tetrahedra, corners with three equivalent O(6)Sr2InSb tetrahedra,  a cornercorner with one O(3)Sr2InSb trigonal pyramid, edges with two equivalent O(10)Sr2InSb tetrahedra, and  an edgeedge with one O(3)Sr2InSb trigonal pyramid. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(2), one In(2), and one Sb(2) atom. In the sixth O site, O(6) is bonded to one Sr(1), one Sr(2), one In(2), and one Sb(1) atom to form OSr2InSb tetrahedra that share corners with three equivalent O(4)Sr3InSb square pyramids,  a cornercorner with one O(10)Sr2InSb tetrahedra, corners with two equivalent O(3)Sr2InSb trigonal pyramids, and  an edgeedge with one O(10)Sr2InSb tetrahedra. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Sr(3), one Sr(4), one Mg(1), one In(1), and one Sb(2) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(4), two equivalent Sr(3), one Mg(1), and one Sb(1) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Sr(1), one Sr(3), one Mg(1), one In(2), and one Sb(2) atom. In the tenth O site, O(10) is bonded to one Sr(1), one Sr(2), one In(1), and one Sb(1) atom to form distorted OSr2InSb tetrahedra that share  a cornercorner with one O(6)Sr2InSb tetrahedra, corners with three equivalent O(3)Sr2InSb trigonal pyramids, edges with two equivalent O(4)Sr3InSb square pyramids, and  an edgeedge with one O(6)Sr2InSb tetrahedra. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Sr(1), one Sr(3), one Sr(4), one In(2), and one Sb(2) atom. In the twelfth O site, O(12) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Sr(3), one Sr(4), one In(1), and one Sb(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Sr4MgIn2(SbO6)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.928
_cell_length_b   6.213
_cell_length_c   8.587
_cell_angle_alpha   91.099
_cell_angle_beta   88.156
_cell_angle_gamma   92.879
_symmetry_Int_Tables_number   1
_cell_volume   315.638
_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
  Sr  Sr0  1  0.026  0.043  0.740  1.0
  Sr  Sr1  1  0.508  0.553  0.743  1.0
  Sr  Sr2  1  0.906  0.938  0.226  1.0
  Sr  Sr3  1  0.546  0.390  0.285  1.0
  Mg  Mg4  1  0.343  0.748  0.159  1.0
  In  In5  1  0.033  0.492  0.503  1.0
  In  In6  1  0.494  0.048  0.953  1.0
  Sb  Sb7  1  0.505  0.982  0.509  1.0
  Sb  Sb8  1  0.987  0.484  0.977  1.0
  O  O9  1  0.693  0.718  0.449  1.0
  O  O10  1  0.632  0.730  0.047  1.0
  O  O11  1  0.912  0.454  0.742  1.0
  O  O12  1  0.327  0.254  0.560  1.0
  O  O13  1  0.279  0.323  0.931  1.0
  O  O14  1  0.616  0.964  0.727  1.0
  O  O15  1  0.142  0.540  0.271  1.0
  O  O16  1  0.406  0.006  0.288  1.0
  O  O17  1  0.181  0.865  0.983  1.0
  O  O18  1  0.244  0.780  0.582  1.0
  O  O19  1  0.775  0.222  0.045  1.0
  O  O20  1  0.789  0.184  0.451  1.0
[/CIF]
.