The compound described by KMnSn3O8 crystallizes in the monoclinic Pc space group. K(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. Mn(1) is bonded to one O(1), one O(5), two equivalent O(4), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-56°. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(2), one O(6), two equivalent O(3), and two equivalent O(5) atoms to form SnO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the second Sn site, Sn(2) is bonded to one O(3), one O(7), two equivalent O(1), and two equivalent O(8) atoms to form SnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and edges with two equivalent Sn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the third Sn site, Sn(3) is bonded to one O(4), one O(8), two equivalent O(2), and two equivalent O(7) atoms to form SnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and edges with two equivalent Sn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-56°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1) and two equivalent Sn(2) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Sn(1) and two equivalent Sn(3) atoms. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Sn(2) and two equivalent Sn(1) atoms. In the fourth O site, O(4) is bonded in a trigonal planar geometry to two equivalent Mn(1) and one Sn(3) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to two equivalent K(1), one Mn(1), and two equivalent Sn(1) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to two equivalent K(1), two equivalent Mn(1), and one Sn(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to two equivalent K(1), one Sn(2), and two equivalent Sn(3) atoms. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent K(1), one Sn(3), and two equivalent Sn(2) atoms. is represented by the CIF card [CIF]
data_KMnSn3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.232
_cell_length_b   10.566
_cell_length_c   10.512
_cell_angle_alpha   89.035
_cell_angle_beta   89.989
_cell_angle_gamma   89.973
_symmetry_Int_Tables_number   1
_cell_volume   358.896
_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
  K  K0  1  0.510  0.989  0.003  1.0
  K  K1  1  0.991  0.489  0.503  1.0
  Mn  Mn2  1  0.004  0.165  0.652  1.0
  Mn  Mn3  1  0.497  0.665  0.152  1.0
  Sn  Sn4  1  0.480  0.328  0.842  1.0
  Sn  Sn5  1  0.020  0.828  0.342  1.0
  Sn  Sn6  1  0.004  0.652  0.842  1.0
  Sn  Sn7  1  0.496  0.152  0.342  1.0
  Sn  Sn8  1  0.982  0.358  0.164  1.0
  Sn  Sn9  1  0.518  0.858  0.664  1.0
  O  O10  1  0.502  0.665  0.962  1.0
  O  O11  1  0.998  0.166  0.462  1.0
  O  O12  1  0.480  0.332  0.040  1.0
  O  O13  1  0.020  0.832  0.540  1.0
  O  O14  1  0.982  0.457  0.834  1.0
  O  O15  1  0.518  0.957  0.334  1.0
  O  O16  1  0.961  0.547  0.163  1.0
  O  O17  1  0.539  0.047  0.663  1.0
  O  O18  1  0.978  0.198  0.845  1.0
  O  O19  1  0.522  0.698  0.345  1.0
  O  O20  1  0.069  0.799  0.149  1.0
  O  O21  1  0.430  0.299  0.649  1.0
  O  O22  1  0.484  0.350  0.300  1.0
  O  O23  1  0.016  0.850  0.800  1.0
  O  O24  1  0.508  0.658  0.705  1.0
  O  O25  1  0.993  0.158  0.205  1.0
[/CIF]
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The compound described by KMnSn3O8 crystallizes in the monoclinic Pc space group. K(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(5), two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms. Mn(1) is bonded to one O(1), one O(5), two equivalent O(4), and two equivalent O(6) atoms to form MnO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-56°. There are three inequivalent Sn sites. In the first Sn site, Sn(1) is bonded to one O(2), one O(6), two equivalent O(3), and two equivalent O(5) atoms to form SnO6 octahedra that share corners with two equivalent Sn(2)O6 octahedra, corners with two equivalent Sn(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the second Sn site, Sn(2) is bonded to one O(3), one O(7), two equivalent O(1), and two equivalent O(8) atoms to form SnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and edges with two equivalent Sn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-52°. In the third Sn site, Sn(3) is bonded to one O(4), one O(8), two equivalent O(2), and two equivalent O(7) atoms to form SnO6 octahedra that share corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, edges with two equivalent Sn(2)O6 octahedra, and edges with two equivalent Sn(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-56°. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a trigonal planar geometry to one Mn(1) and two equivalent Sn(2) atoms. In the second O site, O(2) is bonded in a trigonal planar geometry to one Sn(1) and two equivalent Sn(3) atoms. In the third O site, O(3) is bonded in a distorted trigonal planar geometry to one Sn(2) and two equivalent Sn(1) atoms. In the fourth O site, O(4) is bonded in a trigonal planar geometry to two equivalent Mn(1) and one Sn(3) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to two equivalent K(1), one Mn(1), and two equivalent Sn(1) atoms. In the sixth O site, O(6) is bonded in a 5-coordinate geometry to two equivalent K(1), two equivalent Mn(1), and one Sn(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to two equivalent K(1), one Sn(2), and two equivalent Sn(3) atoms. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to two equivalent K(1), one Sn(3), and two equivalent Sn(2) atoms. is represented by the CIF card [CIF]
data_KMnSn3O8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.232
_cell_length_b   10.566
_cell_length_c   10.512
_cell_angle_alpha   89.035
_cell_angle_beta   89.989
_cell_angle_gamma   89.973
_symmetry_Int_Tables_number   1
_cell_volume   358.896
_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
  K  K0  1  0.510  0.989  0.003  1.0
  K  K1  1  0.991  0.489  0.503  1.0
  Mn  Mn2  1  0.004  0.165  0.652  1.0
  Mn  Mn3  1  0.497  0.665  0.152  1.0
  Sn  Sn4  1  0.480  0.328  0.842  1.0
  Sn  Sn5  1  0.020  0.828  0.342  1.0
  Sn  Sn6  1  0.004  0.652  0.842  1.0
  Sn  Sn7  1  0.496  0.152  0.342  1.0
  Sn  Sn8  1  0.982  0.358  0.164  1.0
  Sn  Sn9  1  0.518  0.858  0.664  1.0
  O  O10  1  0.502  0.665  0.962  1.0
  O  O11  1  0.998  0.166  0.462  1.0
  O  O12  1  0.480  0.332  0.040  1.0
  O  O13  1  0.020  0.832  0.540  1.0
  O  O14  1  0.982  0.457  0.834  1.0
  O  O15  1  0.518  0.957  0.334  1.0
  O  O16  1  0.961  0.547  0.163  1.0
  O  O17  1  0.539  0.047  0.663  1.0
  O  O18  1  0.978  0.198  0.845  1.0
  O  O19  1  0.522  0.698  0.345  1.0
  O  O20  1  0.069  0.799  0.149  1.0
  O  O21  1  0.430  0.299  0.649  1.0
  O  O22  1  0.484  0.350  0.300  1.0
  O  O23  1  0.016  0.850  0.800  1.0
  O  O24  1  0.508  0.658  0.705  1.0
  O  O25  1  0.993  0.158  0.205  1.0
[/CIF]
.