The material described by MgSnBiO5 crystallizes in the monoclinic P2_1/c space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form distorted MgO6 octahedra that share corners with two equivalent Bi(1)O6 pentagonal pyramids, corners with three equivalent Sn(1)O5 trigonal bipyramids,  an edgeedge with one Mg(1)O6 octahedra, edges with three equivalent Bi(1)O6 pentagonal pyramids, and  an edgeedge with one Sn(1)O5 trigonal bipyramid. Sn(1) is bonded to one O(2), one O(3), one O(5), and two equivalent O(1) atoms to form distorted SnO5 trigonal bipyramids that share corners with three equivalent Mg(1)O6 octahedra,  a cornercorner with one Bi(1)O6 pentagonal pyramid,  an edgeedge with one Mg(1)O6 octahedra, edges with two equivalent Bi(1)O6 pentagonal pyramids, and  an edgeedge with one Sn(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 24-56°. Bi(1) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form distorted BiO6 pentagonal pyramids that share corners with two equivalent Mg(1)O6 octahedra,  a cornercorner with one Sn(1)O5 trigonal bipyramid, edges with three equivalent Mg(1)O6 octahedra,  an edgeedge with one Bi(1)O6 pentagonal pyramid, and edges with two equivalent Sn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 37-38°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), two equivalent Sn(1), and one Bi(1) atom to form OMgSn2Bi trigonal pyramids that share corners with two equivalent O(4)Mg2Bi2 trigonal pyramids,  an edgeedge with one O(4)Mg2Bi2 trigonal pyramid, and  an edgeedge with one O(1)MgSn2Bi trigonal pyramid. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Sn(1), and one Bi(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Sn(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded to two equivalent Mg(1) and two equivalent Bi(1) atoms to form distorted OMg2Bi2 trigonal pyramids that share corners with two equivalent O(1)MgSn2Bi trigonal pyramids,  an edgeedge with one O(1)MgSn2Bi trigonal pyramid, and edges with two equivalent O(4)Mg2Bi2 trigonal pyramids. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mg(1), one Sn(1), and one Bi(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgSnBiO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.055
_cell_length_b   5.443
_cell_length_c   8.720
_cell_angle_alpha   68.833
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   489.270
_cell_formula_units_Z   4
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  0.089  0.545  0.836  1.0
  Mg  Mg1  1  0.911  0.455  0.164  1.0
  Mg  Mg2  1  0.589  0.455  0.664  1.0
  Mg  Mg3  1  0.411  0.545  0.336  1.0
  Sn  Sn4  1  0.387  0.160  0.049  1.0
  Sn  Sn5  1  0.613  0.840  0.951  1.0
  Sn  Sn6  1  0.887  0.840  0.451  1.0
  Sn  Sn7  1  0.113  0.160  0.549  1.0
  Bi  Bi8  1  0.892  0.045  0.850  1.0
  Bi  Bi9  1  0.108  0.955  0.150  1.0
  Bi  Bi10  1  0.608  0.045  0.350  1.0
  Bi  Bi11  1  0.392  0.955  0.650  1.0
  O  O12  1  0.960  0.864  0.659  1.0
  O  O13  1  0.031  0.343  0.683  1.0
  O  O14  1  0.799  0.180  0.315  1.0
  O  O15  1  0.466  0.756  0.489  1.0
  O  O16  1  0.718  0.700  0.518  1.0
  O  O17  1  0.782  0.700  0.018  1.0
  O  O18  1  0.469  0.343  0.183  1.0
  O  O19  1  0.531  0.657  0.817  1.0
  O  O20  1  0.534  0.244  0.511  1.0
  O  O21  1  0.460  0.136  0.841  1.0
  O  O22  1  0.282  0.300  0.482  1.0
  O  O23  1  0.040  0.136  0.341  1.0
  O  O24  1  0.540  0.864  0.159  1.0
  O  O25  1  0.218  0.300  0.982  1.0
  O  O26  1  0.966  0.244  0.011  1.0
  O  O27  1  0.034  0.756  0.989  1.0
  O  O28  1  0.201  0.820  0.685  1.0
  O  O29  1  0.969  0.657  0.317  1.0
  O  O30  1  0.299  0.820  0.185  1.0
  O  O31  1  0.701  0.180  0.815  1.0
[/CIF]
.
The material described by MgSnBiO5 crystallizes in the monoclinic P2_1/c space group. Mg(1) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form distorted MgO6 octahedra that share corners with two equivalent Bi(1)O6 pentagonal pyramids, corners with three equivalent Sn(1)O5 trigonal bipyramids,  an edgeedge with one Mg(1)O6 octahedra, edges with three equivalent Bi(1)O6 pentagonal pyramids, and  an edgeedge with one Sn(1)O5 trigonal bipyramid. Sn(1) is bonded to one O(2), one O(3), one O(5), and two equivalent O(1) atoms to form distorted SnO5 trigonal bipyramids that share corners with three equivalent Mg(1)O6 octahedra,  a cornercorner with one Bi(1)O6 pentagonal pyramid,  an edgeedge with one Mg(1)O6 octahedra, edges with two equivalent Bi(1)O6 pentagonal pyramids, and  an edgeedge with one Sn(1)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 24-56°. Bi(1) is bonded to one O(1), one O(2), one O(3), one O(5), and two equivalent O(4) atoms to form distorted BiO6 pentagonal pyramids that share corners with two equivalent Mg(1)O6 octahedra,  a cornercorner with one Sn(1)O5 trigonal bipyramid, edges with three equivalent Mg(1)O6 octahedra,  an edgeedge with one Bi(1)O6 pentagonal pyramid, and edges with two equivalent Sn(1)O5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 37-38°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Mg(1), two equivalent Sn(1), and one Bi(1) atom to form OMgSn2Bi trigonal pyramids that share corners with two equivalent O(4)Mg2Bi2 trigonal pyramids,  an edgeedge with one O(4)Mg2Bi2 trigonal pyramid, and  an edgeedge with one O(1)MgSn2Bi trigonal pyramid. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Sn(1), and one Bi(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Mg(1), one Sn(1), and one Bi(1) atom. In the fourth O site, O(4) is bonded to two equivalent Mg(1) and two equivalent Bi(1) atoms to form distorted OMg2Bi2 trigonal pyramids that share corners with two equivalent O(1)MgSn2Bi trigonal pyramids,  an edgeedge with one O(1)MgSn2Bi trigonal pyramid, and edges with two equivalent O(4)Mg2Bi2 trigonal pyramids. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Mg(1), one Sn(1), and one Bi(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgSnBiO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.055
_cell_length_b   5.443
_cell_length_c   8.720
_cell_angle_alpha   68.833
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   489.270
_cell_formula_units_Z   4
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  0.089  0.545  0.836  1.0
  Mg  Mg1  1  0.911  0.455  0.164  1.0
  Mg  Mg2  1  0.589  0.455  0.664  1.0
  Mg  Mg3  1  0.411  0.545  0.336  1.0
  Sn  Sn4  1  0.387  0.160  0.049  1.0
  Sn  Sn5  1  0.613  0.840  0.951  1.0
  Sn  Sn6  1  0.887  0.840  0.451  1.0
  Sn  Sn7  1  0.113  0.160  0.549  1.0
  Bi  Bi8  1  0.892  0.045  0.850  1.0
  Bi  Bi9  1  0.108  0.955  0.150  1.0
  Bi  Bi10  1  0.608  0.045  0.350  1.0
  Bi  Bi11  1  0.392  0.955  0.650  1.0
  O  O12  1  0.960  0.864  0.659  1.0
  O  O13  1  0.031  0.343  0.683  1.0
  O  O14  1  0.799  0.180  0.315  1.0
  O  O15  1  0.466  0.756  0.489  1.0
  O  O16  1  0.718  0.700  0.518  1.0
  O  O17  1  0.782  0.700  0.018  1.0
  O  O18  1  0.469  0.343  0.183  1.0
  O  O19  1  0.531  0.657  0.817  1.0
  O  O20  1  0.534  0.244  0.511  1.0
  O  O21  1  0.460  0.136  0.841  1.0
  O  O22  1  0.282  0.300  0.482  1.0
  O  O23  1  0.040  0.136  0.341  1.0
  O  O24  1  0.540  0.864  0.159  1.0
  O  O25  1  0.218  0.300  0.982  1.0
  O  O26  1  0.966  0.244  0.011  1.0
  O  O27  1  0.034  0.756  0.989  1.0
  O  O28  1  0.201  0.820  0.685  1.0
  O  O29  1  0.969  0.657  0.317  1.0
  O  O30  1  0.299  0.820  0.185  1.0
  O  O31  1  0.701  0.180  0.815  1.0
[/CIF]
.