The compound described by CsMnN9 crystallizes in the monoclinic P2_1/c space group. Cs(1) is bonded in a 9-coordinate geometry to one N(1), two equivalent N(3), two equivalent N(4), two equivalent N(6), and two equivalent N(7) atoms. Mn(1) is bonded to one N(4), one N(6), one N(7), one N(9), and two equivalent N(1) atoms to form edge-sharing MnN6 octahedra. There are nine inequivalent N sites. In the first N site, N(7) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Mn(1), and one N(8) atom. In the second N site, N(8) is bonded in a linear geometry to one N(7) and one N(9) atom. In the third N site, N(1) is bonded in a 4-coordinate geometry to one Cs(1), two equivalent Mn(1), and one N(2) atom. In the fourth N site, N(9) is bonded in a bent 150 degrees geometry to one Mn(1) and one N(8) atom. In the fifth N site, N(2) is bonded in a linear geometry to one N(1) and one N(3) atom. In the sixth N site, N(3) is bonded in a trigonal non-coplanar geometry to two equivalent Cs(1) and one N(2) atom. In the seventh N site, N(4) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Mn(1), and one N(5) atom. In the eighth N site, N(5) is bonded in a linear geometry to one N(4) and one N(6) atom. In the ninth N site, N(6) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Mn(1), and one N(5) atom. is represented by the CIF file [CIF]
data_CsMnN9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.672
_cell_length_b   6.487
_cell_length_c   15.724
_cell_angle_alpha   68.902
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   730.148
_cell_formula_units_Z   4
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  0.611  0.071  0.146  1.0
  Cs  Cs1  1  0.889  0.071  0.646  1.0
  Cs  Cs2  1  0.389  0.929  0.854  1.0
  Cs  Cs3  1  0.111  0.929  0.354  1.0
  Mn  Mn4  1  0.059  0.438  0.111  1.0
  Mn  Mn5  1  0.441  0.438  0.611  1.0
  Mn  Mn6  1  0.941  0.562  0.889  1.0
  Mn  Mn7  1  0.559  0.562  0.389  1.0
  N  N8  1  0.823  0.509  0.022  1.0
  N  N9  1  0.677  0.509  0.522  1.0
  N  N10  1  0.177  0.491  0.978  1.0
  N  N11  1  0.323  0.491  0.478  1.0
  N  N12  1  0.706  0.619  0.034  1.0
  N  N13  1  0.794  0.619  0.534  1.0
  N  N14  1  0.294  0.381  0.966  1.0
  N  N15  1  0.206  0.381  0.466  1.0
  N  N16  1  0.592  0.722  0.047  1.0
  N  N17  1  0.908  0.722  0.547  1.0
  N  N18  1  0.408  0.278  0.953  1.0
  N  N19  1  0.092  0.278  0.453  1.0
  N  N20  1  0.889  0.378  0.231  1.0
  N  N21  1  0.611  0.378  0.731  1.0
  N  N22  1  0.111  0.622  0.769  1.0
  N  N23  1  0.389  0.622  0.269  1.0
  N  N24  1  0.843  0.500  0.267  1.0
  N  N25  1  0.657  0.500  0.767  1.0
  N  N26  1  0.157  0.500  0.733  1.0
  N  N27  1  0.343  0.500  0.233  1.0
  N  N28  1  0.796  0.620  0.304  1.0
  N  N29  1  0.704  0.620  0.804  1.0
  N  N30  1  0.204  0.380  0.696  1.0
  N  N31  1  0.296  0.380  0.196  1.0
  N  N32  1  0.049  0.081  0.141  1.0
  N  N33  1  0.451  0.081  0.641  1.0
  N  N34  1  0.951  0.919  0.859  1.0
  N  N35  1  0.549  0.919  0.359  1.0
  N  N36  1  0.064  0.936  0.113  1.0
  N  N37  1  0.436  0.936  0.613  1.0
  N  N38  1  0.936  0.064  0.887  1.0
  N  N39  1  0.564  0.064  0.387  1.0
  N  N40  1  0.078  0.791  0.085  1.0
  N  N41  1  0.422  0.791  0.585  1.0
  N  N42  1  0.922  0.209  0.915  1.0
  N  N43  1  0.578  0.209  0.415  1.0
[/CIF]
.
The compound described by CsMnN9 crystallizes in the monoclinic P2_1/c space group. Cs(1) is bonded in a 9-coordinate geometry to one N(1), two equivalent N(3), two equivalent N(4), two equivalent N(6), and two equivalent N(7) atoms. Mn(1) is bonded to one N(4), one N(6), one N(7), one N(9), and two equivalent N(1) atoms to form edge-sharing MnN6 octahedra. There are nine inequivalent N sites. In the first N site, N(7) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Mn(1), and one N(8) atom. In the second N site, N(8) is bonded in a linear geometry to one N(7) and one N(9) atom. In the third N site, N(1) is bonded in a 4-coordinate geometry to one Cs(1), two equivalent Mn(1), and one N(2) atom. In the fourth N site, N(9) is bonded in a bent 150 degrees geometry to one Mn(1) and one N(8) atom. In the fifth N site, N(2) is bonded in a linear geometry to one N(1) and one N(3) atom. In the sixth N site, N(3) is bonded in a trigonal non-coplanar geometry to two equivalent Cs(1) and one N(2) atom. In the seventh N site, N(4) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Mn(1), and one N(5) atom. In the eighth N site, N(5) is bonded in a linear geometry to one N(4) and one N(6) atom. In the ninth N site, N(6) is bonded in a 4-coordinate geometry to two equivalent Cs(1), one Mn(1), and one N(5) atom. is represented by the CIF file [CIF]
data_CsMnN9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.672
_cell_length_b   6.487
_cell_length_c   15.724
_cell_angle_alpha   68.902
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   730.148
_cell_formula_units_Z   4
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  0.611  0.071  0.146  1.0
  Cs  Cs1  1  0.889  0.071  0.646  1.0
  Cs  Cs2  1  0.389  0.929  0.854  1.0
  Cs  Cs3  1  0.111  0.929  0.354  1.0
  Mn  Mn4  1  0.059  0.438  0.111  1.0
  Mn  Mn5  1  0.441  0.438  0.611  1.0
  Mn  Mn6  1  0.941  0.562  0.889  1.0
  Mn  Mn7  1  0.559  0.562  0.389  1.0
  N  N8  1  0.823  0.509  0.022  1.0
  N  N9  1  0.677  0.509  0.522  1.0
  N  N10  1  0.177  0.491  0.978  1.0
  N  N11  1  0.323  0.491  0.478  1.0
  N  N12  1  0.706  0.619  0.034  1.0
  N  N13  1  0.794  0.619  0.534  1.0
  N  N14  1  0.294  0.381  0.966  1.0
  N  N15  1  0.206  0.381  0.466  1.0
  N  N16  1  0.592  0.722  0.047  1.0
  N  N17  1  0.908  0.722  0.547  1.0
  N  N18  1  0.408  0.278  0.953  1.0
  N  N19  1  0.092  0.278  0.453  1.0
  N  N20  1  0.889  0.378  0.231  1.0
  N  N21  1  0.611  0.378  0.731  1.0
  N  N22  1  0.111  0.622  0.769  1.0
  N  N23  1  0.389  0.622  0.269  1.0
  N  N24  1  0.843  0.500  0.267  1.0
  N  N25  1  0.657  0.500  0.767  1.0
  N  N26  1  0.157  0.500  0.733  1.0
  N  N27  1  0.343  0.500  0.233  1.0
  N  N28  1  0.796  0.620  0.304  1.0
  N  N29  1  0.704  0.620  0.804  1.0
  N  N30  1  0.204  0.380  0.696  1.0
  N  N31  1  0.296  0.380  0.196  1.0
  N  N32  1  0.049  0.081  0.141  1.0
  N  N33  1  0.451  0.081  0.641  1.0
  N  N34  1  0.951  0.919  0.859  1.0
  N  N35  1  0.549  0.919  0.359  1.0
  N  N36  1  0.064  0.936  0.113  1.0
  N  N37  1  0.436  0.936  0.613  1.0
  N  N38  1  0.936  0.064  0.887  1.0
  N  N39  1  0.564  0.064  0.387  1.0
  N  N40  1  0.078  0.791  0.085  1.0
  N  N41  1  0.422  0.791  0.585  1.0
  N  N42  1  0.922  0.209  0.915  1.0
  N  N43  1  0.578  0.209  0.415  1.0
[/CIF]
.