The crystal structure described by Mg(SnO2)2 is Spinel structured and crystallizes in the orthorhombic Imma space group. Mg(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form MgO4 tetrahedra that share corners with six equivalent Sn(1)O6 octahedra and corners with six equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-61°. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form SnO6 octahedra that share corners with six equivalent Mg(1)O4 tetrahedra, edges with two equivalent Sn(1)O6 octahedra, and edges with four equivalent Sn(2)O6 octahedra. In the second Sn site, Sn(2) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form SnO6 octahedra that share corners with six equivalent Mg(1)O4 tetrahedra, edges with two equivalent Sn(2)O6 octahedra, and edges with four equivalent Sn(1)O6 octahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Sn(2), and two equivalent Sn(1) atoms. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Sn(1), and two equivalent Sn(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Mg(SnO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.630
_cell_length_b   6.630
_cell_length_c   6.630
_cell_angle_alpha   121.935
_cell_angle_beta   119.803
_cell_angle_gamma   88.511
_symmetry_Int_Tables_number   1
_cell_volume   203.227
_cell_formula_units_Z   2
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  0.604  0.854  0.750  1.0
  Mg  Mg1  1  0.396  0.146  0.250  1.0
  Sn  Sn2  1  0.500  0.500  0.000  1.0
  Sn  Sn3  1  0.000  0.500  0.000  1.0
  Sn  Sn4  1  0.000  0.000  0.500  1.0
  Sn  Sn5  1  0.000  0.500  0.500  1.0
  O  O6  1  0.258  0.280  0.522  1.0
  O  O7  1  0.258  0.736  0.978  1.0
  O  O8  1  0.298  0.282  0.016  1.0
  O  O9  1  0.234  0.718  0.516  1.0
  O  O10  1  0.702  0.718  0.984  1.0
  O  O11  1  0.742  0.264  0.022  1.0
  O  O12  1  0.766  0.282  0.484  1.0
  O  O13  1  0.742  0.720  0.478  1.0
[/CIF]
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The crystal structure described by Mg(SnO2)2 is Spinel structured and crystallizes in the orthorhombic Imma space group. Mg(1) is bonded to two equivalent O(1) and two equivalent O(2) atoms to form MgO4 tetrahedra that share corners with six equivalent Sn(1)O6 octahedra and corners with six equivalent Sn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-61°. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to two equivalent O(2) and four equivalent O(1) atoms to form SnO6 octahedra that share corners with six equivalent Mg(1)O4 tetrahedra, edges with two equivalent Sn(1)O6 octahedra, and edges with four equivalent Sn(2)O6 octahedra. In the second Sn site, Sn(2) is bonded to two equivalent O(1) and four equivalent O(2) atoms to form SnO6 octahedra that share corners with six equivalent Mg(1)O4 tetrahedra, edges with two equivalent Sn(2)O6 octahedra, and edges with four equivalent Sn(1)O6 octahedra. There are two inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Sn(2), and two equivalent Sn(1) atoms. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Sn(1), and two equivalent Sn(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Mg(SnO2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.630
_cell_length_b   6.630
_cell_length_c   6.630
_cell_angle_alpha   121.935
_cell_angle_beta   119.803
_cell_angle_gamma   88.511
_symmetry_Int_Tables_number   1
_cell_volume   203.227
_cell_formula_units_Z   2
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  0.604  0.854  0.750  1.0
  Mg  Mg1  1  0.396  0.146  0.250  1.0
  Sn  Sn2  1  0.500  0.500  0.000  1.0
  Sn  Sn3  1  0.000  0.500  0.000  1.0
  Sn  Sn4  1  0.000  0.000  0.500  1.0
  Sn  Sn5  1  0.000  0.500  0.500  1.0
  O  O6  1  0.258  0.280  0.522  1.0
  O  O7  1  0.258  0.736  0.978  1.0
  O  O8  1  0.298  0.282  0.016  1.0
  O  O9  1  0.234  0.718  0.516  1.0
  O  O10  1  0.702  0.718  0.984  1.0
  O  O11  1  0.742  0.264  0.022  1.0
  O  O12  1  0.766  0.282  0.484  1.0
  O  O13  1  0.742  0.720  0.478  1.0
[/CIF]
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