data_KMn(SeO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.8
_cell_length_b   4.96
_cell_length_c   7.82
_cell_angle_alpha   82.82
_cell_angle_beta   84.96
_cell_angle_gamma   68.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KMn(SeO4)2
_chemical_formula_sum   'K1 Mn1 Se2 O8'
_cell_volume   171.77
_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
  K  K0  1  0.0  0.0  0.0  1.0
  Mn  Mn1  1  0.34  0.39  0.88  1.0
  Se  Se10  1  0.56  0.43  0.51  1.0
  Se  Se11  1  0.73  0.97  0.24  1.0
  O  O2  1  0.38  0.92  0.11  1.0
  O  O3  1  1.0  0.1  0.39  1.0
  O  O4  1  0.4  0.78  0.41  1.0
  O  O5  1  0.17  0.89  0.95  1.0
  O  O6  1  0.12  0.5  0.8  1.0
  O  O7  1  0.89  0.62  0.34  1.0
  O  O8  1  0.3  0.3  0.36  1.0
  O  O9  1  0.92  0.48  0.65  1.0

data_KMn(SeO4)2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.8
_cell_length_b   4.96
_cell_length_c   7.82
_cell_angle_alpha   82.82
_cell_angle_beta   84.96
_cell_angle_gamma   68.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KMn(SeO4)2
_chemical_formula_sum   'K1 Mn1 Se2 O8'
_cell_volume   171.77
_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
  K  K0  1  0.0  0.0  0.0  1.0
  Mn  Mn1  1  0.34  0.39  0.88  1.0
  Se  Se2  1  0.56  0.43  0.51  1.0
  Se  Se3  1  0.73  0.97  0.24  1.0
  O  O4  1  0.12  0.5  0.8  1.0
  O  O5  1  0.17  0.89  0.95  1.0
  O  O6  1  0.3  0.3  0.36  1.0
  O  O7  1  0.38  0.92  0.11  1.0
  O  O8  1  0.4  0.78  0.41  1.0
  O  O9  1  0.89  0.62  0.34  1.0
  O  O10  1  0.92  0.48  0.65  1.0
  O  O11  1  1.0  0.1  0.39  1.0

K Mn Se Se O O O O O O O O
K Mn Se Se O O O O O O O O 0 7 o - - 0 3 - - o 0 4 o - o 1 8 o o o 2 10 o o o 2 6 o o o 2 5 o o o 3 4 o o o 3 9 o o o 3 5 o + o 3 10 o + o 4 7 o o - 5 6 + - o 5 9 o o o 5 10 + o o 6 10 o + o 8 11 - o o 9 10 + o o 
KMn(SeO4)2 crystallizes in the triclinic P1 space group. K(1) is bonded in a single-bond geometry to one Se(2), one O(1), and one O(4) atom. The K(1)-Se(2) bond length is 2.23 Å. The K(1)-O(1) bond length is 1.94 Å. The K(1)-O(4) bond length is 0.89 Å. Mn(1) is bonded in a single-bond geometry to one Se(1), one O(1), and one O(5) atom. The Mn(1)-Se(1) bond length is 2.98 Å. The Mn(1)-O(1) bond length is 2.74 Å. The Mn(1)-O(5) bond length is 1.19 Å. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a 6-coordinate geometry to one Mn(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom. The Se(1)-O(2) bond length is 2.35 Å. The Se(1)-O(3) bond length is 1.73 Å. The Se(1)-O(6) bond length is 2.34 Å. The Se(1)-O(7) bond length is 2.10 Å. The Se(1)-O(8) bond length is 2.20 Å. In the second Se site, Se(2) is bonded in a 6-coordinate geometry to one K(1), one O(1), one O(2), one O(3), one O(6), and one O(7) atom. The Se(2)-O(1) bond length is 2.20 Å. The Se(2)-O(2) bond length is 2.10 Å. The Se(2)-O(3) bond length is 2.34 Å. The Se(2)-O(6) bond length is 1.73 Å. The Se(2)-O(7) bond length is 2.35 Å. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one K(1), one Mn(1), one Se(2), and one O(4) atom. The O(1)-O(4) bond length is 1.65 Å. In the second O site, O(2) is bonded in a distorted L-shaped geometry to one Se(1) and one Se(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Se(1) and one Se(2) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one K(1) and one O(1) atom. In the fifth O site, O(5) is bonded in a single-bond geometry to one Mn(1) and one O(8) atom. The O(5)-O(8) bond length is 1.65 Å. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Se(1) and one Se(2) atom. In the seventh O site, O(7) is bonded in a distorted L-shaped geometry to one Se(1) and one Se(2) atom. In the eighth O site, O(8) is bonded in a 2-coordinate geometry to one Se(1) and one O(5) atom.