The crystal structure described by (N2)3(Bi2Br9)2 is Sodium arsenide structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is zero-dimensional and consists of six ammonia atoms and two Bi2Br9 clusters. In each Bi2Br9 cluster, Bi(1) is bonded to three equivalent Br(1) and three equivalent Br(2) atoms to form face-sharing BiBr6 octahedra. There are two inequivalent Br sites. In the first Br site, Br(2) is bonded in a single-bond geometry to one Bi(1) atom. In the second Br site, Br(1) is bonded in an L-shaped geometry to two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_Bi2(Br3N)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.414
_cell_length_b   9.414
_cell_length_c   21.284
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   1633.437
_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
  Bi  Bi0  1  0.333  0.667  0.341  1.0
  Bi  Bi1  1  0.667  0.333  0.659  1.0
  Bi  Bi2  1  0.667  0.333  0.841  1.0
  Bi  Bi3  1  0.333  0.667  0.159  1.0
  Br  Br4  1  0.466  0.534  0.250  1.0
  Br  Br5  1  0.466  0.931  0.250  1.0
  Br  Br6  1  0.069  0.534  0.250  1.0
  Br  Br7  1  0.534  0.466  0.750  1.0
  Br  Br8  1  0.534  0.069  0.750  1.0
  Br  Br9  1  0.931  0.466  0.750  1.0
  Br  Br10  1  0.194  0.806  0.403  1.0
  Br  Br11  1  0.194  0.387  0.403  1.0
  Br  Br12  1  0.613  0.806  0.403  1.0
  Br  Br13  1  0.806  0.194  0.597  1.0
  Br  Br14  1  0.806  0.613  0.597  1.0
  Br  Br15  1  0.387  0.194  0.597  1.0
  Br  Br16  1  0.806  0.194  0.903  1.0
  Br  Br17  1  0.806  0.613  0.903  1.0
  Br  Br18  1  0.387  0.194  0.903  1.0
  Br  Br19  1  0.194  0.806  0.097  1.0
  Br  Br20  1  0.194  0.387  0.097  1.0
  Br  Br21  1  0.613  0.806  0.097  1.0
  N  N22  1  0.000  0.000  0.250  1.0
  N  N23  1  0.000  0.000  0.750  1.0
  N  N24  1  0.667  0.333  0.408  1.0
  N  N25  1  0.333  0.667  0.592  1.0
  N  N26  1  0.333  0.667  0.908  1.0
  N  N27  1  0.667  0.333  0.092  1.0
[/CIF]
.
The crystal structure described by (N2)3(Bi2Br9)2 is Sodium arsenide structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is zero-dimensional and consists of six ammonia atoms and two Bi2Br9 clusters. In each Bi2Br9 cluster, Bi(1) is bonded to three equivalent Br(1) and three equivalent Br(2) atoms to form face-sharing BiBr6 octahedra. There are two inequivalent Br sites. In the first Br site, Br(2) is bonded in a single-bond geometry to one Bi(1) atom. In the second Br site, Br(1) is bonded in an L-shaped geometry to two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_Bi2(Br3N)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.414
_cell_length_b   9.414
_cell_length_c   21.284
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   120.000
_symmetry_Int_Tables_number   1
_cell_volume   1633.437
_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
  Bi  Bi0  1  0.333  0.667  0.341  1.0
  Bi  Bi1  1  0.667  0.333  0.659  1.0
  Bi  Bi2  1  0.667  0.333  0.841  1.0
  Bi  Bi3  1  0.333  0.667  0.159  1.0
  Br  Br4  1  0.466  0.534  0.250  1.0
  Br  Br5  1  0.466  0.931  0.250  1.0
  Br  Br6  1  0.069  0.534  0.250  1.0
  Br  Br7  1  0.534  0.466  0.750  1.0
  Br  Br8  1  0.534  0.069  0.750  1.0
  Br  Br9  1  0.931  0.466  0.750  1.0
  Br  Br10  1  0.194  0.806  0.403  1.0
  Br  Br11  1  0.194  0.387  0.403  1.0
  Br  Br12  1  0.613  0.806  0.403  1.0
  Br  Br13  1  0.806  0.194  0.597  1.0
  Br  Br14  1  0.806  0.613  0.597  1.0
  Br  Br15  1  0.387  0.194  0.597  1.0
  Br  Br16  1  0.806  0.194  0.903  1.0
  Br  Br17  1  0.806  0.613  0.903  1.0
  Br  Br18  1  0.387  0.194  0.903  1.0
  Br  Br19  1  0.194  0.806  0.097  1.0
  Br  Br20  1  0.194  0.387  0.097  1.0
  Br  Br21  1  0.613  0.806  0.097  1.0
  N  N22  1  0.000  0.000  0.250  1.0
  N  N23  1  0.000  0.000  0.750  1.0
  N  N24  1  0.667  0.333  0.408  1.0
  N  N25  1  0.333  0.667  0.592  1.0
  N  N26  1  0.333  0.667  0.908  1.0
  N  N27  1  0.667  0.333  0.092  1.0
[/CIF]
.