The material structure described by K2Mn(C2O5)2 crystallizes in the orthorhombic Cmc2_1 space group. K(1) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. Mn(1) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(6), one O(8), and two equivalent O(9) atoms. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. There are nine inequivalent O sites. In the first O site, O(3) is bonded in a distorted tetrahedral geometry to two equivalent K(1), one Mn(1), and one C(2) atom. In the second O site, O(4) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(2) atom. In the third O site, O(5) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(3) atom. In the fourth O site, O(6) is bonded in a 1-coordinate geometry to two equivalent K(1), one Mn(1), and one C(3) atom. In the fifth O site, O(7) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(4) atom. In the sixth O site, O(8) is bonded in a distorted bent 150 degrees geometry to two equivalent K(1), one Mn(1), and one C(4) atom. In the seventh O site, O(9) is bonded in a single-bond geometry to one K(1) and one Mn(1) atom. In the eighth O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Mn(1), and one C(1) atom. In the ninth O site, O(2) is bonded in a single-bond geometry to two equivalent K(1) and one C(1) atom. is represented by the CIF card [CIF]
data_K2Mn(C2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.078
_cell_length_b   7.078
_cell_length_c   10.181
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   113.665
_symmetry_Int_Tables_number   1
_cell_volume   467.178
_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  0.362  0.163  0.206  1.0
  K  K1  1  0.837  0.638  0.206  1.0
  K  K2  1  0.638  0.837  0.706  1.0
  K  K3  1  0.163  0.362  0.706  1.0
  Mn  Mn4  1  0.175  0.825  0.490  1.0
  Mn  Mn5  1  0.825  0.175  0.990  1.0
  C  C6  1  0.341  0.659  0.290  1.0
  C  C7  1  0.659  0.341  0.790  1.0
  C  C8  1  0.415  0.585  0.414  1.0
  C  C9  1  0.585  0.415  0.914  1.0
  C  C10  1  0.861  0.139  0.278  1.0
  C  C11  1  0.139  0.861  0.778  1.0
  C  C12  1  0.930  0.070  0.413  1.0
  C  C13  1  0.070  0.930  0.913  1.0
  O  O14  1  0.232  0.768  0.315  1.0
  O  O15  1  0.768  0.232  0.815  1.0
  O  O16  1  0.382  0.618  0.181  1.0
  O  O17  1  0.618  0.382  0.681  1.0
  O  O18  1  0.358  0.642  0.521  1.0
  O  O19  1  0.642  0.358  0.021  1.0
  O  O20  1  0.518  0.482  0.401  1.0
  O  O21  1  0.482  0.518  0.901  1.0
  O  O22  1  0.758  0.242  0.287  1.0
  O  O23  1  0.242  0.758  0.787  1.0
  O  O24  1  0.922  0.078  0.174  1.0
  O  O25  1  0.078  0.922  0.674  1.0
  O  O26  1  0.880  0.120  0.517  1.0
  O  O27  1  0.120  0.880  0.017  1.0
  O  O28  1  0.039  0.961  0.393  1.0
  O  O29  1  0.961  0.039  0.893  1.0
  O  O30  1  0.391  0.005  0.533  1.0
  O  O31  1  0.995  0.609  0.533  1.0
  O  O32  1  0.609  0.995  0.033  1.0
  O  O33  1  0.005  0.391  0.033  1.0
[/CIF]
.
The material structure described by K2Mn(C2O5)2 crystallizes in the orthorhombic Cmc2_1 space group. K(1) is bonded in a 9-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. Mn(1) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(6), one O(8), and two equivalent O(9) atoms. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted bent 120 degrees geometry to one O(1) and one O(2) atom. In the second C site, C(2) is bonded in a distorted bent 120 degrees geometry to one O(3) and one O(4) atom. In the third C site, C(3) is bonded in a distorted bent 120 degrees geometry to one O(5) and one O(6) atom. In the fourth C site, C(4) is bonded in a distorted bent 120 degrees geometry to one O(7) and one O(8) atom. There are nine inequivalent O sites. In the first O site, O(3) is bonded in a distorted tetrahedral geometry to two equivalent K(1), one Mn(1), and one C(2) atom. In the second O site, O(4) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(2) atom. In the third O site, O(5) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(3) atom. In the fourth O site, O(6) is bonded in a 1-coordinate geometry to two equivalent K(1), one Mn(1), and one C(3) atom. In the fifth O site, O(7) is bonded in a distorted single-bond geometry to two equivalent K(1) and one C(4) atom. In the sixth O site, O(8) is bonded in a distorted bent 150 degrees geometry to two equivalent K(1), one Mn(1), and one C(4) atom. In the seventh O site, O(9) is bonded in a single-bond geometry to one K(1) and one Mn(1) atom. In the eighth O site, O(1) is bonded in a distorted bent 120 degrees geometry to two equivalent K(1), one Mn(1), and one C(1) atom. In the ninth O site, O(2) is bonded in a single-bond geometry to two equivalent K(1) and one C(1) atom. is represented by the CIF card [CIF]
data_K2Mn(C2O5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.078
_cell_length_b   7.078
_cell_length_c   10.181
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   113.665
_symmetry_Int_Tables_number   1
_cell_volume   467.178
_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  0.362  0.163  0.206  1.0
  K  K1  1  0.837  0.638  0.206  1.0
  K  K2  1  0.638  0.837  0.706  1.0
  K  K3  1  0.163  0.362  0.706  1.0
  Mn  Mn4  1  0.175  0.825  0.490  1.0
  Mn  Mn5  1  0.825  0.175  0.990  1.0
  C  C6  1  0.341  0.659  0.290  1.0
  C  C7  1  0.659  0.341  0.790  1.0
  C  C8  1  0.415  0.585  0.414  1.0
  C  C9  1  0.585  0.415  0.914  1.0
  C  C10  1  0.861  0.139  0.278  1.0
  C  C11  1  0.139  0.861  0.778  1.0
  C  C12  1  0.930  0.070  0.413  1.0
  C  C13  1  0.070  0.930  0.913  1.0
  O  O14  1  0.232  0.768  0.315  1.0
  O  O15  1  0.768  0.232  0.815  1.0
  O  O16  1  0.382  0.618  0.181  1.0
  O  O17  1  0.618  0.382  0.681  1.0
  O  O18  1  0.358  0.642  0.521  1.0
  O  O19  1  0.642  0.358  0.021  1.0
  O  O20  1  0.518  0.482  0.401  1.0
  O  O21  1  0.482  0.518  0.901  1.0
  O  O22  1  0.758  0.242  0.287  1.0
  O  O23  1  0.242  0.758  0.787  1.0
  O  O24  1  0.922  0.078  0.174  1.0
  O  O25  1  0.078  0.922  0.674  1.0
  O  O26  1  0.880  0.120  0.517  1.0
  O  O27  1  0.120  0.880  0.017  1.0
  O  O28  1  0.039  0.961  0.393  1.0
  O  O29  1  0.961  0.039  0.893  1.0
  O  O30  1  0.391  0.005  0.533  1.0
  O  O31  1  0.995  0.609  0.533  1.0
  O  O32  1  0.609  0.995  0.033  1.0
  O  O33  1  0.005  0.391  0.033  1.0
[/CIF]
.