The structure described by Bi4N2Te3 crystallizes in the orthorhombic Pnma space group. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 2-coordinate geometry to two equivalent N(1) and four equivalent Te(2) atoms. In the second Bi site, Bi(2) is bonded in a 2-coordinate geometry to two equivalent N(1) and one Te(1) atom. In the third Bi site, Bi(3) is bonded in a distorted L-shaped geometry to two equivalent N(1), one Te(1), and two equivalent Te(2) atoms. N(1) is bonded to one Bi(1), one Bi(2), and two equivalent Bi(3) atoms to form edge-sharing NBi4 tetrahedra. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a 3-coordinate geometry to one Bi(2) and two equivalent Bi(3) atoms. In the second Te site, Te(2) is bonded in a 4-coordinate geometry to two equivalent Bi(1) and two equivalent Bi(3) atoms. is represented by the CIF file [CIF]
data_Bi4Te3N2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.584
_cell_length_b   11.316
_cell_length_c   11.714
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1005.347
_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
  Bi  Bi0  1  0.585  0.250  0.825  1.0
  Bi  Bi1  1  0.085  0.250  0.675  1.0
  Bi  Bi2  1  0.415  0.750  0.175  1.0
  Bi  Bi3  1  0.915  0.750  0.325  1.0
  Bi  Bi4  1  0.749  0.250  0.472  1.0
  Bi  Bi5  1  0.249  0.250  0.028  1.0
  Bi  Bi6  1  0.251  0.750  0.528  1.0
  Bi  Bi7  1  0.751  0.750  0.972  1.0
  Bi  Bi8  1  0.662  0.447  0.097  1.0
  Bi  Bi9  1  0.162  0.053  0.403  1.0
  Bi  Bi10  1  0.338  0.947  0.903  1.0
  Bi  Bi11  1  0.838  0.553  0.597  1.0
  Bi  Bi12  1  0.338  0.553  0.903  1.0
  Bi  Bi13  1  0.838  0.947  0.597  1.0
  Bi  Bi14  1  0.662  0.053  0.097  1.0
  Bi  Bi15  1  0.162  0.447  0.403  1.0
  Te  Te16  1  0.945  0.250  0.260  1.0
  Te  Te17  1  0.445  0.250  0.240  1.0
  Te  Te18  1  0.055  0.750  0.740  1.0
  Te  Te19  1  0.555  0.750  0.760  1.0
  Te  Te20  1  0.604  0.559  0.358  1.0
  Te  Te21  1  0.104  0.941  0.142  1.0
  Te  Te22  1  0.396  0.059  0.642  1.0
  Te  Te23  1  0.896  0.441  0.858  1.0
  Te  Te24  1  0.396  0.441  0.642  1.0
  Te  Te25  1  0.896  0.059  0.858  1.0
  Te  Te26  1  0.604  0.941  0.358  1.0
  Te  Te27  1  0.104  0.559  0.142  1.0
  N  N28  1  0.546  0.622  0.041  1.0
  N  N29  1  0.046  0.878  0.459  1.0
  N  N30  1  0.454  0.122  0.959  1.0
  N  N31  1  0.954  0.378  0.541  1.0
  N  N32  1  0.454  0.378  0.959  1.0
  N  N33  1  0.954  0.122  0.541  1.0
  N  N34  1  0.546  0.878  0.041  1.0
  N  N35  1  0.046  0.622  0.459  1.0
[/CIF]
.
The structure described by Bi4N2Te3 crystallizes in the orthorhombic Pnma space group. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 2-coordinate geometry to two equivalent N(1) and four equivalent Te(2) atoms. In the second Bi site, Bi(2) is bonded in a 2-coordinate geometry to two equivalent N(1) and one Te(1) atom. In the third Bi site, Bi(3) is bonded in a distorted L-shaped geometry to two equivalent N(1), one Te(1), and two equivalent Te(2) atoms. N(1) is bonded to one Bi(1), one Bi(2), and two equivalent Bi(3) atoms to form edge-sharing NBi4 tetrahedra. There are two inequivalent Te sites. In the first Te site, Te(1) is bonded in a 3-coordinate geometry to one Bi(2) and two equivalent Bi(3) atoms. In the second Te site, Te(2) is bonded in a 4-coordinate geometry to two equivalent Bi(1) and two equivalent Bi(3) atoms. is represented by the CIF file [CIF]
data_Bi4Te3N2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.584
_cell_length_b   11.316
_cell_length_c   11.714
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1005.347
_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
  Bi  Bi0  1  0.585  0.250  0.825  1.0
  Bi  Bi1  1  0.085  0.250  0.675  1.0
  Bi  Bi2  1  0.415  0.750  0.175  1.0
  Bi  Bi3  1  0.915  0.750  0.325  1.0
  Bi  Bi4  1  0.749  0.250  0.472  1.0
  Bi  Bi5  1  0.249  0.250  0.028  1.0
  Bi  Bi6  1  0.251  0.750  0.528  1.0
  Bi  Bi7  1  0.751  0.750  0.972  1.0
  Bi  Bi8  1  0.662  0.447  0.097  1.0
  Bi  Bi9  1  0.162  0.053  0.403  1.0
  Bi  Bi10  1  0.338  0.947  0.903  1.0
  Bi  Bi11  1  0.838  0.553  0.597  1.0
  Bi  Bi12  1  0.338  0.553  0.903  1.0
  Bi  Bi13  1  0.838  0.947  0.597  1.0
  Bi  Bi14  1  0.662  0.053  0.097  1.0
  Bi  Bi15  1  0.162  0.447  0.403  1.0
  Te  Te16  1  0.945  0.250  0.260  1.0
  Te  Te17  1  0.445  0.250  0.240  1.0
  Te  Te18  1  0.055  0.750  0.740  1.0
  Te  Te19  1  0.555  0.750  0.760  1.0
  Te  Te20  1  0.604  0.559  0.358  1.0
  Te  Te21  1  0.104  0.941  0.142  1.0
  Te  Te22  1  0.396  0.059  0.642  1.0
  Te  Te23  1  0.896  0.441  0.858  1.0
  Te  Te24  1  0.396  0.441  0.642  1.0
  Te  Te25  1  0.896  0.059  0.858  1.0
  Te  Te26  1  0.604  0.941  0.358  1.0
  Te  Te27  1  0.104  0.559  0.142  1.0
  N  N28  1  0.546  0.622  0.041  1.0
  N  N29  1  0.046  0.878  0.459  1.0
  N  N30  1  0.454  0.122  0.959  1.0
  N  N31  1  0.954  0.378  0.541  1.0
  N  N32  1  0.454  0.378  0.959  1.0
  N  N33  1  0.954  0.122  0.541  1.0
  N  N34  1  0.546  0.878  0.041  1.0
  N  N35  1  0.046  0.622  0.459  1.0
[/CIF]
.