The crystal structure described by Zr7(NSe2)4 crystallizes in the triclinic P1 space group. There are seven inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(3), one Se(2), and one Se(3) atom. In the second Zr site, Zr(2) is bonded in a 7-coordinate geometry to one N(1), one N(2), one Se(2), one Se(4), one Se(5), one Se(6), and one Se(7) atom. In the third Zr site, Zr(3) is bonded in a 6-coordinate geometry to one N(2), one N(4), one Se(1), one Se(4), one Se(7), and one Se(8) atom. In the fourth Zr site, Zr(4) is bonded in a 7-coordinate geometry to one N(1), one N(3), one N(4), one Se(1), one Se(5), one Se(6), and one Se(8) atom. In the fifth Zr site, Zr(5) is bonded in a 6-coordinate geometry to one N(4), one Se(2), one Se(3), one Se(4), one Se(6), and one Se(8) atom. In the sixth Zr site, Zr(6) is bonded in a 6-coordinate geometry to one N(3), one N(4), one Se(3), one Se(5), one Se(6), and one Se(7) atom. In the seventh Zr site, Zr(7) is bonded in a 7-coordinate geometry to one N(3), one Se(1), one Se(2), one Se(4), one Se(5), one Se(7), and one Se(8) atom. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Zr(1), one Zr(2), and one Zr(4) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zr(1), one Zr(2), and one Zr(3) atom. In the third N site, N(3) is bonded to one Zr(1), one Zr(4), one Zr(6), and one Zr(7) atom to form NZr4 trigonal pyramids that share  a cornercorner with one Se(4)Zr4 tetrahedra, corners with two equivalent Se(2)Zr4 tetrahedra,  a cornercorner with one Se(5)Zr4 trigonal pyramid, corners with two equivalent Se(6)Zr4 trigonal pyramids, corners with two equivalent Se(7)Zr4 trigonal pyramids, corners with two equivalent Se(8)Zr4 trigonal pyramids,  an edgeedge with one N(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. In the fourth N site, N(4) is bonded to one Zr(3), one Zr(4), one Zr(5), and one Zr(6) atom to form NZr4 tetrahedra that share  a cornercorner with one Se(2)Zr4 tetrahedra, corners with two equivalent Se(4)Zr4 tetrahedra,  a cornercorner with one Se(6)Zr4 trigonal pyramid,  a cornercorner with one Se(8)Zr4 trigonal pyramid, corners with two equivalent Se(5)Zr4 trigonal pyramids,  an edgeedge with one N(3)Zr4 trigonal pyramid,  an edgeedge with one Se(6)Zr4 trigonal pyramid,  an edgeedge with one Se(7)Zr4 trigonal pyramid, and  an edgeedge with one Se(8)Zr4 trigonal pyramid. There are eight inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one Zr(3), one Zr(4), and one Zr(7) atom. In the second Se site, Se(2) is bonded to one Zr(1), one Zr(2), one Zr(5), and one Zr(7) atom to form SeZr4 tetrahedra that share  a cornercorner with one N(4)Zr4 tetrahedra,  a cornercorner with one Se(4)Zr4 tetrahedra, corners with two equivalent N(3)Zr4 trigonal pyramids, corners with two equivalent Se(6)Zr4 trigonal pyramids, corners with two equivalent Se(7)Zr4 trigonal pyramids, corners with two equivalent Se(8)Zr4 trigonal pyramids,  an edgeedge with one Se(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. In the third Se site, Se(3) is bonded in a distorted trigonal planar geometry to one Zr(1), one Zr(5), and one Zr(6) atom. In the fourth Se site, Se(4) is bonded to one Zr(2), one Zr(3), one Zr(5), and one Zr(7) atom to form distorted SeZr4 tetrahedra that share  a cornercorner with one Se(2)Zr4 tetrahedra, corners with two equivalent N(4)Zr4 tetrahedra,  a cornercorner with one N(3)Zr4 trigonal pyramid,  a cornercorner with one Se(7)Zr4 trigonal pyramid,  a cornercorner with one Se(8)Zr4 trigonal pyramid, corners with two equivalent Se(5)Zr4 trigonal pyramids,  an edgeedge with one Se(2)Zr4 tetrahedra,  an edgeedge with one Se(6)Zr4 trigonal pyramid,  an edgeedge with one Se(7)Zr4 trigonal pyramid, and  an edgeedge with one Se(8)Zr4 trigonal pyramid. In the fifth Se site, Se(5) is bonded to one Zr(2), one Zr(4), one Zr(6), and one Zr(7) atom to form distorted SeZr4 trigonal pyramids that share corners with two equivalent N(4)Zr4 tetrahedra, corners with two equivalent Se(4)Zr4 tetrahedra,  a cornercorner with one N(3)Zr4 trigonal pyramid,  a cornercorner with one Se(6)Zr4 trigonal pyramid,  a cornercorner with one Se(7)Zr4 trigonal pyramid,  an edgeedge with one Se(2)Zr4 tetrahedra,  an edgeedge with one N(3)Zr4 trigonal pyramid,  an edgeedge with one Se(6)Zr4 trigonal pyramid,  an edgeedge with one Se(7)Zr4 trigonal pyramid, and  an edgeedge with one Se(8)Zr4 trigonal pyramid. In the sixth Se site, Se(6) is bonded to one Zr(2), one Zr(4), one Zr(5), and one Zr(6) atom to form distorted SeZr4 trigonal pyramids that share  a cornercorner with one N(4)Zr4 tetrahedra, corners with two equivalent Se(2)Zr4 tetrahedra,  a cornercorner with one Se(5)Zr4 trigonal pyramid, corners with two equivalent N(3)Zr4 trigonal pyramids, corners with two equivalent Se(7)Zr4 trigonal pyramids, corners with two equivalent Se(8)Zr4 trigonal pyramids,  an edgeedge with one N(4)Zr4 tetrahedra,  an edgeedge with one Se(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. In the seventh Se site, Se(7) is bonded to one Zr(2), one Zr(3), one Zr(6), and one Zr(7) atom to form distorted SeZr4 trigonal pyramids that share  a cornercorner with one Se(4)Zr4 tetrahedra, corners with two equivalent Se(2)Zr4 tetrahedra,  a cornercorner with one Se(5)Zr4 trigonal pyramid, corners with two equivalent N(3)Zr4 trigonal pyramids, corners with two equivalent Se(6)Zr4 trigonal pyramids, corners with two equivalent Se(8)Zr4 trigonal pyramids,  an edgeedge with one N(4)Zr4 tetrahedra,  an edgeedge with one Se(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. In the eighth Se site, Se(8) is bonded to one Zr(3), one Zr(4), one Zr(5), and one Zr(7) atom to form distorted SeZr4 trigonal pyramids that share  a cornercorner with one N(4)Zr4 tetrahedra,  a cornercorner with one Se(4)Zr4 tetrahedra, corners with two equivalent Se(2)Zr4 tetrahedra, corners with two equivalent N(3)Zr4 trigonal pyramids, corners with two equivalent Se(6)Zr4 trigonal pyramids, corners with two equivalent Se(7)Zr4 trigonal pyramids,  an edgeedge with one N(4)Zr4 tetrahedra,  an edgeedge with one Se(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. is represented by the CIF card [CIF]
data_Zr7(Se2N)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.789
_cell_length_b   12.808
_cell_length_c   9.640
_cell_angle_alpha   90.771
_cell_angle_beta   64.718
_cell_angle_gamma   36.957
_symmetry_Int_Tables_number   1
_cell_volume   396.214
_cell_formula_units_Z   1
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
  Zr  Zr0  1  0.008  0.076  0.007  1.0
  Zr  Zr1  1  0.163  0.501  0.611  1.0
  Zr  Zr2  1  0.617  0.772  0.128  1.0
  Zr  Zr3  1  0.290  0.602  0.259  1.0
  Zr  Zr4  1  0.715  0.553  0.374  1.0
  Zr  Zr5  1  0.235  0.243  0.894  1.0
  Zr  Zr6  1  0.833  0.328  0.734  1.0
  Se  Se7  1  0.039  0.748  0.075  1.0
  Se  Se8  1  0.621  0.623  0.689  1.0
  Se  Se9  1  0.509  0.165  0.055  1.0
  Se  Se10  1  0.944  0.239  0.404  1.0
  Se  Se11  1  0.501  0.127  0.524  1.0
  Se  Se12  1  0.015  0.778  0.627  1.0
  Se  Se13  1  0.430  0.346  0.785  1.0
  Se  Se14  1  0.525  0.844  0.468  1.0
  N  N15  1  0.479  0.375  0.300  1.0
  N  N16  1  0.541  0.822  0.947  1.0
  N  N17  1  0.909  0.266  0.934  1.0
  N  N18  1  0.634  0.589  0.180  1.0
[/CIF]
.
The crystal structure described by Zr7(NSe2)4 crystallizes in the triclinic P1 space group. There are seven inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(3), one Se(2), and one Se(3) atom. In the second Zr site, Zr(2) is bonded in a 7-coordinate geometry to one N(1), one N(2), one Se(2), one Se(4), one Se(5), one Se(6), and one Se(7) atom. In the third Zr site, Zr(3) is bonded in a 6-coordinate geometry to one N(2), one N(4), one Se(1), one Se(4), one Se(7), and one Se(8) atom. In the fourth Zr site, Zr(4) is bonded in a 7-coordinate geometry to one N(1), one N(3), one N(4), one Se(1), one Se(5), one Se(6), and one Se(8) atom. In the fifth Zr site, Zr(5) is bonded in a 6-coordinate geometry to one N(4), one Se(2), one Se(3), one Se(4), one Se(6), and one Se(8) atom. In the sixth Zr site, Zr(6) is bonded in a 6-coordinate geometry to one N(3), one N(4), one Se(3), one Se(5), one Se(6), and one Se(7) atom. In the seventh Zr site, Zr(7) is bonded in a 7-coordinate geometry to one N(3), one Se(1), one Se(2), one Se(4), one Se(5), one Se(7), and one Se(8) atom. There are four inequivalent N sites. In the first N site, N(1) is bonded in a distorted trigonal planar geometry to one Zr(1), one Zr(2), and one Zr(4) atom. In the second N site, N(2) is bonded in a trigonal planar geometry to one Zr(1), one Zr(2), and one Zr(3) atom. In the third N site, N(3) is bonded to one Zr(1), one Zr(4), one Zr(6), and one Zr(7) atom to form NZr4 trigonal pyramids that share  a cornercorner with one Se(4)Zr4 tetrahedra, corners with two equivalent Se(2)Zr4 tetrahedra,  a cornercorner with one Se(5)Zr4 trigonal pyramid, corners with two equivalent Se(6)Zr4 trigonal pyramids, corners with two equivalent Se(7)Zr4 trigonal pyramids, corners with two equivalent Se(8)Zr4 trigonal pyramids,  an edgeedge with one N(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. In the fourth N site, N(4) is bonded to one Zr(3), one Zr(4), one Zr(5), and one Zr(6) atom to form NZr4 tetrahedra that share  a cornercorner with one Se(2)Zr4 tetrahedra, corners with two equivalent Se(4)Zr4 tetrahedra,  a cornercorner with one Se(6)Zr4 trigonal pyramid,  a cornercorner with one Se(8)Zr4 trigonal pyramid, corners with two equivalent Se(5)Zr4 trigonal pyramids,  an edgeedge with one N(3)Zr4 trigonal pyramid,  an edgeedge with one Se(6)Zr4 trigonal pyramid,  an edgeedge with one Se(7)Zr4 trigonal pyramid, and  an edgeedge with one Se(8)Zr4 trigonal pyramid. There are eight inequivalent Se sites. In the first Se site, Se(1) is bonded in a trigonal non-coplanar geometry to one Zr(3), one Zr(4), and one Zr(7) atom. In the second Se site, Se(2) is bonded to one Zr(1), one Zr(2), one Zr(5), and one Zr(7) atom to form SeZr4 tetrahedra that share  a cornercorner with one N(4)Zr4 tetrahedra,  a cornercorner with one Se(4)Zr4 tetrahedra, corners with two equivalent N(3)Zr4 trigonal pyramids, corners with two equivalent Se(6)Zr4 trigonal pyramids, corners with two equivalent Se(7)Zr4 trigonal pyramids, corners with two equivalent Se(8)Zr4 trigonal pyramids,  an edgeedge with one Se(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. In the third Se site, Se(3) is bonded in a distorted trigonal planar geometry to one Zr(1), one Zr(5), and one Zr(6) atom. In the fourth Se site, Se(4) is bonded to one Zr(2), one Zr(3), one Zr(5), and one Zr(7) atom to form distorted SeZr4 tetrahedra that share  a cornercorner with one Se(2)Zr4 tetrahedra, corners with two equivalent N(4)Zr4 tetrahedra,  a cornercorner with one N(3)Zr4 trigonal pyramid,  a cornercorner with one Se(7)Zr4 trigonal pyramid,  a cornercorner with one Se(8)Zr4 trigonal pyramid, corners with two equivalent Se(5)Zr4 trigonal pyramids,  an edgeedge with one Se(2)Zr4 tetrahedra,  an edgeedge with one Se(6)Zr4 trigonal pyramid,  an edgeedge with one Se(7)Zr4 trigonal pyramid, and  an edgeedge with one Se(8)Zr4 trigonal pyramid. In the fifth Se site, Se(5) is bonded to one Zr(2), one Zr(4), one Zr(6), and one Zr(7) atom to form distorted SeZr4 trigonal pyramids that share corners with two equivalent N(4)Zr4 tetrahedra, corners with two equivalent Se(4)Zr4 tetrahedra,  a cornercorner with one N(3)Zr4 trigonal pyramid,  a cornercorner with one Se(6)Zr4 trigonal pyramid,  a cornercorner with one Se(7)Zr4 trigonal pyramid,  an edgeedge with one Se(2)Zr4 tetrahedra,  an edgeedge with one N(3)Zr4 trigonal pyramid,  an edgeedge with one Se(6)Zr4 trigonal pyramid,  an edgeedge with one Se(7)Zr4 trigonal pyramid, and  an edgeedge with one Se(8)Zr4 trigonal pyramid. In the sixth Se site, Se(6) is bonded to one Zr(2), one Zr(4), one Zr(5), and one Zr(6) atom to form distorted SeZr4 trigonal pyramids that share  a cornercorner with one N(4)Zr4 tetrahedra, corners with two equivalent Se(2)Zr4 tetrahedra,  a cornercorner with one Se(5)Zr4 trigonal pyramid, corners with two equivalent N(3)Zr4 trigonal pyramids, corners with two equivalent Se(7)Zr4 trigonal pyramids, corners with two equivalent Se(8)Zr4 trigonal pyramids,  an edgeedge with one N(4)Zr4 tetrahedra,  an edgeedge with one Se(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. In the seventh Se site, Se(7) is bonded to one Zr(2), one Zr(3), one Zr(6), and one Zr(7) atom to form distorted SeZr4 trigonal pyramids that share  a cornercorner with one Se(4)Zr4 tetrahedra, corners with two equivalent Se(2)Zr4 tetrahedra,  a cornercorner with one Se(5)Zr4 trigonal pyramid, corners with two equivalent N(3)Zr4 trigonal pyramids, corners with two equivalent Se(6)Zr4 trigonal pyramids, corners with two equivalent Se(8)Zr4 trigonal pyramids,  an edgeedge with one N(4)Zr4 tetrahedra,  an edgeedge with one Se(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. In the eighth Se site, Se(8) is bonded to one Zr(3), one Zr(4), one Zr(5), and one Zr(7) atom to form distorted SeZr4 trigonal pyramids that share  a cornercorner with one N(4)Zr4 tetrahedra,  a cornercorner with one Se(4)Zr4 tetrahedra, corners with two equivalent Se(2)Zr4 tetrahedra, corners with two equivalent N(3)Zr4 trigonal pyramids, corners with two equivalent Se(6)Zr4 trigonal pyramids, corners with two equivalent Se(7)Zr4 trigonal pyramids,  an edgeedge with one N(4)Zr4 tetrahedra,  an edgeedge with one Se(4)Zr4 tetrahedra, and  an edgeedge with one Se(5)Zr4 trigonal pyramid. is represented by the CIF card [CIF]
data_Zr7(Se2N)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.789
_cell_length_b   12.808
_cell_length_c   9.640
_cell_angle_alpha   90.771
_cell_angle_beta   64.718
_cell_angle_gamma   36.957
_symmetry_Int_Tables_number   1
_cell_volume   396.214
_cell_formula_units_Z   1
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
  Zr  Zr0  1  0.008  0.076  0.007  1.0
  Zr  Zr1  1  0.163  0.501  0.611  1.0
  Zr  Zr2  1  0.617  0.772  0.128  1.0
  Zr  Zr3  1  0.290  0.602  0.259  1.0
  Zr  Zr4  1  0.715  0.553  0.374  1.0
  Zr  Zr5  1  0.235  0.243  0.894  1.0
  Zr  Zr6  1  0.833  0.328  0.734  1.0
  Se  Se7  1  0.039  0.748  0.075  1.0
  Se  Se8  1  0.621  0.623  0.689  1.0
  Se  Se9  1  0.509  0.165  0.055  1.0
  Se  Se10  1  0.944  0.239  0.404  1.0
  Se  Se11  1  0.501  0.127  0.524  1.0
  Se  Se12  1  0.015  0.778  0.627  1.0
  Se  Se13  1  0.430  0.346  0.785  1.0
  Se  Se14  1  0.525  0.844  0.468  1.0
  N  N15  1  0.479  0.375  0.300  1.0
  N  N16  1  0.541  0.822  0.947  1.0
  N  N17  1  0.909  0.266  0.934  1.0
  N  N18  1  0.634  0.589  0.180  1.0
[/CIF]
.