The structure described by MgMn3SnO8 is beta indium sulfide-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form MgO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Mn(2)O6 octahedra, corners with three equivalent Mn(3)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-65°. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(4), one O(5), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the third Mn site, Mn(3) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. Sn(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form SnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one Mn(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one Sn(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(3), and one Sn(1) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(3), and one Sn(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(2), one Mn(3), and one Sn(1) atom. In the sixth O site, O(6) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Sn(1) atom to form a mixture of distorted edge and corner-sharing OMgMn2Sn tetrahedra. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Sn(1) atom. In the eighth O site, O(8) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(3) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn3SnO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.237
_cell_length_b   6.088
_cell_length_c   6.117
_cell_angle_alpha   60.094
_cell_angle_beta   58.673
_cell_angle_gamma   58.562
_symmetry_Int_Tables_number   1
_cell_volume   160.842
_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  0.870  0.888  0.863  1.0
  Mn  Mn1  1  0.005  0.495  0.504  1.0
  Mn  Mn2  1  0.497  0.008  0.500  1.0
  Mn  Mn3  1  0.492  0.497  0.005  1.0
  Sn  Sn4  1  0.501  0.502  0.491  1.0
  O  O5  1  0.252  0.233  0.314  1.0
  O  O6  1  0.296  0.235  0.719  1.0
  O  O7  1  0.257  0.696  0.261  1.0
  O  O8  1  0.700  0.245  0.251  1.0
  O  O9  1  0.283  0.748  0.746  1.0
  O  O10  1  0.739  0.294  0.736  1.0
  O  O11  1  0.720  0.756  0.269  1.0
  O  O12  1  0.751  0.756  0.708  1.0
[/CIF]
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The structure described by MgMn3SnO8 is beta indium sulfide-derived structured and crystallizes in the triclinic P1 space group. Mg(1) is bonded to one O(5), one O(6), one O(7), and one O(8) atom to form MgO4 tetrahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Mn(2)O6 octahedra, corners with three equivalent Mn(3)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-65°. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(4), one O(5), one O(7), and one O(8) atom to form MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the third Mn site, Mn(3) is bonded to one O(1), one O(3), one O(4), one O(5), one O(6), and one O(8) atom to form MnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. Sn(1) is bonded to one O(2), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form SnO6 octahedra that share corners with three equivalent Mg(1)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, and edges with two equivalent Mn(3)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one Mn(3) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Mn(1), one Mn(2), and one Sn(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Mn(1), one Mn(3), and one Sn(1) atom. In the fourth O site, O(4) is bonded in a distorted T-shaped geometry to one Mn(2), one Mn(3), and one Sn(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Mg(1), one Mn(2), one Mn(3), and one Sn(1) atom. In the sixth O site, O(6) is bonded to one Mg(1), one Mn(1), one Mn(3), and one Sn(1) atom to form a mixture of distorted edge and corner-sharing OMgMn2Sn tetrahedra. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Mg(1), one Mn(1), one Mn(2), and one Sn(1) atom. In the eighth O site, O(8) is bonded to one Mg(1), one Mn(1), one Mn(2), and one Mn(3) atom to form a mixture of distorted edge and corner-sharing OMgMn3 trigonal pyramids. is represented by the Crystallographic Information File (CIF) [CIF]
data_MgMn3SnO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.237
_cell_length_b   6.088
_cell_length_c   6.117
_cell_angle_alpha   60.094
_cell_angle_beta   58.673
_cell_angle_gamma   58.562
_symmetry_Int_Tables_number   1
_cell_volume   160.842
_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  0.870  0.888  0.863  1.0
  Mn  Mn1  1  0.005  0.495  0.504  1.0
  Mn  Mn2  1  0.497  0.008  0.500  1.0
  Mn  Mn3  1  0.492  0.497  0.005  1.0
  Sn  Sn4  1  0.501  0.502  0.491  1.0
  O  O5  1  0.252  0.233  0.314  1.0
  O  O6  1  0.296  0.235  0.719  1.0
  O  O7  1  0.257  0.696  0.261  1.0
  O  O8  1  0.700  0.245  0.251  1.0
  O  O9  1  0.283  0.748  0.746  1.0
  O  O10  1  0.739  0.294  0.736  1.0
  O  O11  1  0.720  0.756  0.269  1.0
  O  O12  1  0.751  0.756  0.708  1.0
[/CIF]
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