The compound described by Re2(CN2)3 crystallizes in the monoclinic C2/c space group. Re(1) is bonded to two equivalent N(1), two equivalent N(2), and two equivalent N(3) atoms to form edge-sharing ReN6 octahedra. There are two inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one N(1) and one N(3) atom. In the second C site, C(2) is bonded in a linear geometry to two equivalent N(2) atoms. There are three inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to two equivalent Re(1) and one C(1) atom. In the second N site, N(2) is bonded in a 3-coordinate geometry to two equivalent Re(1) and one C(2) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to two equivalent Re(1) and one C(1) atom. is represented by the CIF file [CIF]
data_Re2(CN2)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.447
_cell_length_b   4.897
_cell_length_c   30.285
_cell_angle_alpha   90.000
_cell_angle_beta   163.821
_cell_angle_gamma   76.445
_symmetry_Int_Tables_number   1
_cell_volume   233.468
_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
  Re  Re0  1  0.905  0.042  0.134  1.0
  Re  Re1  1  0.905  0.052  0.634  1.0
  Re  Re2  1  0.095  0.958  0.866  1.0
  Re  Re3  1  0.095  0.948  0.366  1.0
  C  C4  1  0.968  0.680  0.067  1.0
  C  C5  1  0.000  0.669  0.750  1.0
  C  C6  1  0.032  0.648  0.433  1.0
  C  C7  1  0.968  0.352  0.567  1.0
  C  C8  1  0.032  0.320  0.933  1.0
  C  C9  1  0.000  0.331  0.250  1.0
  N  N10  1  0.908  0.727  0.088  1.0
  N  N11  1  0.112  0.619  0.827  1.0
  N  N12  1  0.992  0.643  0.461  1.0
  N  N13  1  0.908  0.364  0.588  1.0
  N  N14  1  0.992  0.366  0.961  1.0
  N  N15  1  0.112  0.269  0.327  1.0
  N  N16  1  0.092  0.273  0.912  1.0
  N  N17  1  0.888  0.381  0.173  1.0
  N  N18  1  0.008  0.357  0.539  1.0
  N  N19  1  0.092  0.636  0.412  1.0
  N  N20  1  0.008  0.634  0.039  1.0
  N  N21  1  0.888  0.731  0.673  1.0
[/CIF]
.
The compound described by Re2(CN2)3 crystallizes in the monoclinic C2/c space group. Re(1) is bonded to two equivalent N(1), two equivalent N(2), and two equivalent N(3) atoms to form edge-sharing ReN6 octahedra. There are two inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one N(1) and one N(3) atom. In the second C site, C(2) is bonded in a linear geometry to two equivalent N(2) atoms. There are three inequivalent N sites. In the first N site, N(1) is bonded in a 3-coordinate geometry to two equivalent Re(1) and one C(1) atom. In the second N site, N(2) is bonded in a 3-coordinate geometry to two equivalent Re(1) and one C(2) atom. In the third N site, N(3) is bonded in a distorted trigonal planar geometry to two equivalent Re(1) and one C(1) atom. is represented by the CIF file [CIF]
data_Re2(CN2)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.447
_cell_length_b   4.897
_cell_length_c   30.285
_cell_angle_alpha   90.000
_cell_angle_beta   163.821
_cell_angle_gamma   76.445
_symmetry_Int_Tables_number   1
_cell_volume   233.468
_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
  Re  Re0  1  0.905  0.042  0.134  1.0
  Re  Re1  1  0.905  0.052  0.634  1.0
  Re  Re2  1  0.095  0.958  0.866  1.0
  Re  Re3  1  0.095  0.948  0.366  1.0
  C  C4  1  0.968  0.680  0.067  1.0
  C  C5  1  0.000  0.669  0.750  1.0
  C  C6  1  0.032  0.648  0.433  1.0
  C  C7  1  0.968  0.352  0.567  1.0
  C  C8  1  0.032  0.320  0.933  1.0
  C  C9  1  0.000  0.331  0.250  1.0
  N  N10  1  0.908  0.727  0.088  1.0
  N  N11  1  0.112  0.619  0.827  1.0
  N  N12  1  0.992  0.643  0.461  1.0
  N  N13  1  0.908  0.364  0.588  1.0
  N  N14  1  0.992  0.366  0.961  1.0
  N  N15  1  0.112  0.269  0.327  1.0
  N  N16  1  0.092  0.273  0.912  1.0
  N  N17  1  0.888  0.381  0.173  1.0
  N  N18  1  0.008  0.357  0.539  1.0
  N  N19  1  0.092  0.636  0.412  1.0
  N  N20  1  0.008  0.634  0.039  1.0
  N  N21  1  0.888  0.731  0.673  1.0
[/CIF]
.