The structure described by Cs2NaMnF6 crystallizes in the trigonal R-3m space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded to three equivalent F(1) and nine equivalent F(2) atoms to form distorted CsF12 cuboctahedra that share corners with three equivalent Cs(2)F12 cuboctahedra, corners with six equivalent Cs(1)F12 cuboctahedra, corners with three equivalent Na(1)F6 octahedra, faces with three equivalent Cs(1)F12 cuboctahedra, faces with four equivalent Cs(2)F12 cuboctahedra,  a faceface with one Mn(2)F6 octahedra, faces with three equivalent Na(1)F6 octahedra, and faces with three equivalent Mn(1)F6 octahedra. The corner-sharing octahedral tilt angles are 1°. In the second Cs site, Cs(2) is bonded to three equivalent F(2) and nine equivalent F(1) atoms to form CsF12 cuboctahedra that share corners with three equivalent Cs(1)F12 cuboctahedra, corners with six equivalent Cs(2)F12 cuboctahedra, corners with three equivalent Mn(1)F6 octahedra, faces with three equivalent Cs(2)F12 cuboctahedra, faces with four equivalent Cs(1)F12 cuboctahedra, faces with three equivalent Mn(2)F6 octahedra, and faces with four equivalent Na(1)F6 octahedra. The corner-sharing octahedral tilt angles are 13°. Na(1) is bonded to three equivalent F(1) and three equivalent F(2) atoms to form distorted NaF6 octahedra that share corners with three equivalent Cs(1)F12 cuboctahedra, corners with three equivalent Mn(2)F6 octahedra, faces with three equivalent Cs(1)F12 cuboctahedra, faces with four equivalent Cs(2)F12 cuboctahedra, and  a faceface with one Mn(1)F6 octahedra. The corner-sharing octahedral tilt angles are 7°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to six equivalent F(2) atoms to form MnF6 octahedra that share corners with six equivalent Cs(2)F12 cuboctahedra, faces with six equivalent Cs(1)F12 cuboctahedra, and faces with two equivalent Na(1)F6 octahedra. In the second Mn site, Mn(2) is bonded to six equivalent F(1) atoms to form MnF6 octahedra that share corners with six equivalent Na(1)F6 octahedra, faces with two equivalent Cs(1)F12 cuboctahedra, and faces with six equivalent Cs(2)F12 cuboctahedra. The corner-sharing octahedral tilt angles are 7°. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted linear geometry to one Cs(1), three equivalent Cs(2), one Na(1), and one Mn(2) atom. In the second F site, F(2) is bonded in a 2-coordinate geometry to one Cs(2), three equivalent Cs(1), one Na(1), and one Mn(1) atom. is represented by the CIF file [CIF]
data_Cs2NaMnF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.049
_cell_length_b   11.049
_cell_length_c   11.049
_cell_angle_alpha   33.538
_cell_angle_beta   33.538
_cell_angle_gamma   33.538
_symmetry_Int_Tables_number   1
_cell_volume   366.692
_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
  Cs  Cs0  1  0.127  0.127  0.127  1.0
  Cs  Cs1  1  0.873  0.873  0.873  1.0
  Cs  Cs2  1  0.284  0.284  0.284  1.0
  Cs  Cs3  1  0.716  0.716  0.716  1.0
  Na  Na4  1  0.596  0.596  0.596  1.0
  Na  Na5  1  0.404  0.404  0.404  1.0
  Mn  Mn6  1  0.500  0.500  0.500  1.0
  Mn  Mn7  1  0.000  0.000  0.000  1.0
  F  F8  1  0.187  0.187  0.737  1.0
  F  F9  1  0.737  0.187  0.187  1.0
  F  F10  1  0.187  0.737  0.187  1.0
  F  F11  1  0.813  0.263  0.813  1.0
  F  F12  1  0.813  0.813  0.263  1.0
  F  F13  1  0.263  0.813  0.813  1.0
  F  F14  1  0.396  0.396  0.822  1.0
  F  F15  1  0.822  0.396  0.396  1.0
  F  F16  1  0.178  0.604  0.604  1.0
  F  F17  1  0.604  0.604  0.178  1.0
  F  F18  1  0.604  0.178  0.604  1.0
  F  F19  1  0.396  0.822  0.396  1.0
[/CIF]
.
The structure described by Cs2NaMnF6 crystallizes in the trigonal R-3m space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded to three equivalent F(1) and nine equivalent F(2) atoms to form distorted CsF12 cuboctahedra that share corners with three equivalent Cs(2)F12 cuboctahedra, corners with six equivalent Cs(1)F12 cuboctahedra, corners with three equivalent Na(1)F6 octahedra, faces with three equivalent Cs(1)F12 cuboctahedra, faces with four equivalent Cs(2)F12 cuboctahedra,  a faceface with one Mn(2)F6 octahedra, faces with three equivalent Na(1)F6 octahedra, and faces with three equivalent Mn(1)F6 octahedra. The corner-sharing octahedral tilt angles are 1°. In the second Cs site, Cs(2) is bonded to three equivalent F(2) and nine equivalent F(1) atoms to form CsF12 cuboctahedra that share corners with three equivalent Cs(1)F12 cuboctahedra, corners with six equivalent Cs(2)F12 cuboctahedra, corners with three equivalent Mn(1)F6 octahedra, faces with three equivalent Cs(2)F12 cuboctahedra, faces with four equivalent Cs(1)F12 cuboctahedra, faces with three equivalent Mn(2)F6 octahedra, and faces with four equivalent Na(1)F6 octahedra. The corner-sharing octahedral tilt angles are 13°. Na(1) is bonded to three equivalent F(1) and three equivalent F(2) atoms to form distorted NaF6 octahedra that share corners with three equivalent Cs(1)F12 cuboctahedra, corners with three equivalent Mn(2)F6 octahedra, faces with three equivalent Cs(1)F12 cuboctahedra, faces with four equivalent Cs(2)F12 cuboctahedra, and  a faceface with one Mn(1)F6 octahedra. The corner-sharing octahedral tilt angles are 7°. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to six equivalent F(2) atoms to form MnF6 octahedra that share corners with six equivalent Cs(2)F12 cuboctahedra, faces with six equivalent Cs(1)F12 cuboctahedra, and faces with two equivalent Na(1)F6 octahedra. In the second Mn site, Mn(2) is bonded to six equivalent F(1) atoms to form MnF6 octahedra that share corners with six equivalent Na(1)F6 octahedra, faces with two equivalent Cs(1)F12 cuboctahedra, and faces with six equivalent Cs(2)F12 cuboctahedra. The corner-sharing octahedral tilt angles are 7°. There are two inequivalent F sites. In the first F site, F(1) is bonded in a distorted linear geometry to one Cs(1), three equivalent Cs(2), one Na(1), and one Mn(2) atom. In the second F site, F(2) is bonded in a 2-coordinate geometry to one Cs(2), three equivalent Cs(1), one Na(1), and one Mn(1) atom. is represented by the CIF file [CIF]
data_Cs2NaMnF6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.049
_cell_length_b   11.049
_cell_length_c   11.049
_cell_angle_alpha   33.538
_cell_angle_beta   33.538
_cell_angle_gamma   33.538
_symmetry_Int_Tables_number   1
_cell_volume   366.692
_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
  Cs  Cs0  1  0.127  0.127  0.127  1.0
  Cs  Cs1  1  0.873  0.873  0.873  1.0
  Cs  Cs2  1  0.284  0.284  0.284  1.0
  Cs  Cs3  1  0.716  0.716  0.716  1.0
  Na  Na4  1  0.596  0.596  0.596  1.0
  Na  Na5  1  0.404  0.404  0.404  1.0
  Mn  Mn6  1  0.500  0.500  0.500  1.0
  Mn  Mn7  1  0.000  0.000  0.000  1.0
  F  F8  1  0.187  0.187  0.737  1.0
  F  F9  1  0.737  0.187  0.187  1.0
  F  F10  1  0.187  0.737  0.187  1.0
  F  F11  1  0.813  0.263  0.813  1.0
  F  F12  1  0.813  0.813  0.263  1.0
  F  F13  1  0.263  0.813  0.813  1.0
  F  F14  1  0.396  0.396  0.822  1.0
  F  F15  1  0.822  0.396  0.396  1.0
  F  F16  1  0.178  0.604  0.604  1.0
  F  F17  1  0.604  0.604  0.178  1.0
  F  F18  1  0.604  0.178  0.604  1.0
  F  F19  1  0.396  0.822  0.396  1.0
[/CIF]
.