The structure described by Y7C2NI12 crystallizes in the triclinic P-1 space group. There are seven inequivalent Y sites. In the first Y site, Y(1) is bonded in a distorted single-bond geometry to one C(1), one C(2), one N(1), one I(1), one I(10), one I(4), and one I(5) atom. In the second Y site, Y(2) is bonded to one C(1), one I(12), one I(2), one I(3), one I(4), and one I(9) atom to form distorted YCI5 octahedra that share  an edgeedge with one Y(6)CI5 octahedra and  an edgeedge with one Y(5)C2I5 pentagonal bipyramid. In the third Y site, Y(3) is bonded in a distorted single-bond geometry to one C(1), one C(2), one N(1), one I(10), one I(12), one I(2), and one I(8) atom. In the fourth Y site, Y(4) is bonded in a 7-coordinate geometry to one C(1), one C(2), one I(3), one I(5), one I(6), and two equivalent I(11) atoms. In the fifth Y site, Y(5) is bonded to one C(1), one C(2), one I(11), one I(8), one I(9), and two equivalent I(7) atoms to form distorted YC2I5 pentagonal bipyramids that share  a cornercorner with one Y(6)CI5 octahedra,  an edgeedge with one Y(2)CI5 octahedra,  an edgeedge with one Y(6)CI5 octahedra, and  an edgeedge with one Y(5)C2I5 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 3°. In the sixth Y site, Y(6) is bonded to one C(2), one I(1), one I(12), one I(3), one I(6), and one I(7) atom to form distorted YCI5 octahedra that share  a cornercorner with one Y(5)C2I5 pentagonal bipyramid,  an edgeedge with one Y(2)CI5 octahedra, and  an edgeedge with one Y(5)C2I5 pentagonal bipyramid. In the seventh Y site, Y(7) is bonded in a 2-coordinate geometry to two equivalent N(1), one I(1), one I(12), one I(2), and one I(4) atom. There are two inequivalent C sites. In the first C site, C(1) is bonded in a 6-coordinate geometry to one Y(1), one Y(2), one Y(3), one Y(4), one Y(5), and one C(2) atom. In the second C site, C(2) is bonded in a 6-coordinate geometry to one Y(1), one Y(3), one Y(4), one Y(5), one Y(6), and one C(1) atom. N(1) is bonded to one Y(1), one Y(3), and two equivalent Y(7) atoms to form NY4 tetrahedra that share  a cornercorner with one I(12)Y4 trigonal pyramid,  an edgeedge with one N(1)Y4 tetrahedra, and  an edgeedge with one I(12)Y4 trigonal pyramid. There are twelve inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one Y(1), one Y(6), and one Y(7) atom. In the second I site, I(2) is bonded in a distorted T-shaped geometry to one Y(2), one Y(3), and one Y(7) atom. In the third I site, I(3) is bonded in a T-shaped geometry to one Y(2), one Y(4), and one Y(6) atom. In the fourth I site, I(4) is bonded in a distorted T-shaped geometry to one Y(1), one Y(2), and one Y(7) atom. In the fifth I site, I(5) is bonded in a 2-coordinate geometry to one Y(1) and one Y(4) atom. In the sixth I site, I(6) is bonded in a distorted L-shaped geometry to one Y(4) and one Y(6) atom. In the seventh I site, I(7) is bonded in a distorted T-shaped geometry to one Y(6) and two equivalent Y(5) atoms. In the eighth I site, I(8) is bonded in a 2-coordinate geometry to one Y(3) and one Y(5) atom. In the ninth I site, I(9) is bonded in a distorted L-shaped geometry to one Y(2) and one Y(5) atom. In the tenth I site, I(10) is bonded in a distorted bent 120 degrees geometry to one Y(1) and one Y(3) atom. In the eleventh I site, I(11) is bonded in a 3-coordinate geometry to one Y(5) and two equivalent Y(4) atoms. In the twelfth I site, I(12) is bonded to one Y(2), one Y(3), one Y(6), and one Y(7) atom to form distorted IY4 trigonal pyramids that share  a cornercorner with one N(1)Y4 tetrahedra and  an edgeedge with one N(1)Y4 tetrahedra. is represented by the CIF file [CIF]
data_Y7C2I12N
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.940
_cell_length_b   10.612
_cell_length_c   17.028
_cell_angle_alpha   101.513
_cell_angle_beta   92.989
_cell_angle_gamma   112.791
_symmetry_Int_Tables_number   1
_cell_volume   1605.872
_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
  Y  Y0  1  0.282  0.242  0.350  1.0
  Y  Y1  1  0.718  0.758  0.650  1.0
  Y  Y2  1  0.935  0.571  0.737  1.0
  Y  Y3  1  0.480  0.567  0.321  1.0
  Y  Y4  1  0.132  0.116  0.144  1.0
  Y  Y5  1  0.337  0.456  0.114  1.0
  Y  Y6  1  0.663  0.544  0.886  1.0
  Y  Y7  1  0.545  0.252  0.191  1.0
  Y  Y8  1  0.640  0.452  0.481  1.0
  Y  Y9  1  0.065  0.429  0.263  1.0
  Y  Y10  1  0.520  0.433  0.679  1.0
  Y  Y11  1  0.455  0.748  0.809  1.0
  Y  Y12  1  0.360  0.548  0.519  1.0
  Y  Y13  1  0.868  0.884  0.856  1.0
  C  C14  1  0.755  0.639  0.766  1.0
  C  C15  1  0.363  0.320  0.216  1.0
  C  C16  1  0.637  0.680  0.784  1.0
  C  C17  1  0.245  0.361  0.234  1.0
  I  I18  1  0.458  0.855  0.650  1.0
  I  I19  1  0.271  0.707  0.390  1.0
  I  I20  1  0.174  0.847  0.836  1.0
  I  I21  1  0.969  0.679  0.576  1.0
  I  I22  1  0.951  0.056  0.732  1.0
  I  I23  1  0.661  0.026  0.911  1.0
  I  I24  1  0.607  0.399  0.050  1.0
  I  I25  1  0.339  0.974  0.089  1.0
  I  I26  1  0.440  0.254  0.803  1.0
  I  I27  1  0.905  0.430  0.874  1.0
  I  I28  1  0.701  0.818  0.470  1.0
  I  I29  1  0.125  0.199  0.982  1.0
  I  I30  1  0.729  0.293  0.610  1.0
  I  I31  1  0.031  0.321  0.424  1.0
  I  I32  1  0.560  0.746  0.197  1.0
  I  I33  1  0.393  0.601  0.950  1.0
  I  I34  1  0.299  0.182  0.530  1.0
  I  I35  1  0.214  0.470  0.688  1.0
  I  I36  1  0.875  0.801  0.018  1.0
  I  I37  1  0.542  0.145  0.350  1.0
  I  I38  1  0.095  0.570  0.126  1.0
  I  I39  1  0.826  0.153  0.164  1.0
  I  I40  1  0.049  0.944  0.268  1.0
  I  I41  1  0.786  0.530  0.312  1.0
  N  N42  1  0.559  0.549  0.584  1.0
  N  N43  1  0.441  0.451  0.416  1.0
[/CIF]
.
The structure described by Y7C2NI12 crystallizes in the triclinic P-1 space group. There are seven inequivalent Y sites. In the first Y site, Y(1) is bonded in a distorted single-bond geometry to one C(1), one C(2), one N(1), one I(1), one I(10), one I(4), and one I(5) atom. In the second Y site, Y(2) is bonded to one C(1), one I(12), one I(2), one I(3), one I(4), and one I(9) atom to form distorted YCI5 octahedra that share  an edgeedge with one Y(6)CI5 octahedra and  an edgeedge with one Y(5)C2I5 pentagonal bipyramid. In the third Y site, Y(3) is bonded in a distorted single-bond geometry to one C(1), one C(2), one N(1), one I(10), one I(12), one I(2), and one I(8) atom. In the fourth Y site, Y(4) is bonded in a 7-coordinate geometry to one C(1), one C(2), one I(3), one I(5), one I(6), and two equivalent I(11) atoms. In the fifth Y site, Y(5) is bonded to one C(1), one C(2), one I(11), one I(8), one I(9), and two equivalent I(7) atoms to form distorted YC2I5 pentagonal bipyramids that share  a cornercorner with one Y(6)CI5 octahedra,  an edgeedge with one Y(2)CI5 octahedra,  an edgeedge with one Y(6)CI5 octahedra, and  an edgeedge with one Y(5)C2I5 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 3°. In the sixth Y site, Y(6) is bonded to one C(2), one I(1), one I(12), one I(3), one I(6), and one I(7) atom to form distorted YCI5 octahedra that share  a cornercorner with one Y(5)C2I5 pentagonal bipyramid,  an edgeedge with one Y(2)CI5 octahedra, and  an edgeedge with one Y(5)C2I5 pentagonal bipyramid. In the seventh Y site, Y(7) is bonded in a 2-coordinate geometry to two equivalent N(1), one I(1), one I(12), one I(2), and one I(4) atom. There are two inequivalent C sites. In the first C site, C(1) is bonded in a 6-coordinate geometry to one Y(1), one Y(2), one Y(3), one Y(4), one Y(5), and one C(2) atom. In the second C site, C(2) is bonded in a 6-coordinate geometry to one Y(1), one Y(3), one Y(4), one Y(5), one Y(6), and one C(1) atom. N(1) is bonded to one Y(1), one Y(3), and two equivalent Y(7) atoms to form NY4 tetrahedra that share  a cornercorner with one I(12)Y4 trigonal pyramid,  an edgeedge with one N(1)Y4 tetrahedra, and  an edgeedge with one I(12)Y4 trigonal pyramid. There are twelve inequivalent I sites. In the first I site, I(1) is bonded in a 3-coordinate geometry to one Y(1), one Y(6), and one Y(7) atom. In the second I site, I(2) is bonded in a distorted T-shaped geometry to one Y(2), one Y(3), and one Y(7) atom. In the third I site, I(3) is bonded in a T-shaped geometry to one Y(2), one Y(4), and one Y(6) atom. In the fourth I site, I(4) is bonded in a distorted T-shaped geometry to one Y(1), one Y(2), and one Y(7) atom. In the fifth I site, I(5) is bonded in a 2-coordinate geometry to one Y(1) and one Y(4) atom. In the sixth I site, I(6) is bonded in a distorted L-shaped geometry to one Y(4) and one Y(6) atom. In the seventh I site, I(7) is bonded in a distorted T-shaped geometry to one Y(6) and two equivalent Y(5) atoms. In the eighth I site, I(8) is bonded in a 2-coordinate geometry to one Y(3) and one Y(5) atom. In the ninth I site, I(9) is bonded in a distorted L-shaped geometry to one Y(2) and one Y(5) atom. In the tenth I site, I(10) is bonded in a distorted bent 120 degrees geometry to one Y(1) and one Y(3) atom. In the eleventh I site, I(11) is bonded in a 3-coordinate geometry to one Y(5) and two equivalent Y(4) atoms. In the twelfth I site, I(12) is bonded to one Y(2), one Y(3), one Y(6), and one Y(7) atom to form distorted IY4 trigonal pyramids that share  a cornercorner with one N(1)Y4 tetrahedra and  an edgeedge with one N(1)Y4 tetrahedra. is represented by the CIF file [CIF]
data_Y7C2I12N
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.940
_cell_length_b   10.612
_cell_length_c   17.028
_cell_angle_alpha   101.513
_cell_angle_beta   92.989
_cell_angle_gamma   112.791
_symmetry_Int_Tables_number   1
_cell_volume   1605.872
_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
  Y  Y0  1  0.282  0.242  0.350  1.0
  Y  Y1  1  0.718  0.758  0.650  1.0
  Y  Y2  1  0.935  0.571  0.737  1.0
  Y  Y3  1  0.480  0.567  0.321  1.0
  Y  Y4  1  0.132  0.116  0.144  1.0
  Y  Y5  1  0.337  0.456  0.114  1.0
  Y  Y6  1  0.663  0.544  0.886  1.0
  Y  Y7  1  0.545  0.252  0.191  1.0
  Y  Y8  1  0.640  0.452  0.481  1.0
  Y  Y9  1  0.065  0.429  0.263  1.0
  Y  Y10  1  0.520  0.433  0.679  1.0
  Y  Y11  1  0.455  0.748  0.809  1.0
  Y  Y12  1  0.360  0.548  0.519  1.0
  Y  Y13  1  0.868  0.884  0.856  1.0
  C  C14  1  0.755  0.639  0.766  1.0
  C  C15  1  0.363  0.320  0.216  1.0
  C  C16  1  0.637  0.680  0.784  1.0
  C  C17  1  0.245  0.361  0.234  1.0
  I  I18  1  0.458  0.855  0.650  1.0
  I  I19  1  0.271  0.707  0.390  1.0
  I  I20  1  0.174  0.847  0.836  1.0
  I  I21  1  0.969  0.679  0.576  1.0
  I  I22  1  0.951  0.056  0.732  1.0
  I  I23  1  0.661  0.026  0.911  1.0
  I  I24  1  0.607  0.399  0.050  1.0
  I  I25  1  0.339  0.974  0.089  1.0
  I  I26  1  0.440  0.254  0.803  1.0
  I  I27  1  0.905  0.430  0.874  1.0
  I  I28  1  0.701  0.818  0.470  1.0
  I  I29  1  0.125  0.199  0.982  1.0
  I  I30  1  0.729  0.293  0.610  1.0
  I  I31  1  0.031  0.321  0.424  1.0
  I  I32  1  0.560  0.746  0.197  1.0
  I  I33  1  0.393  0.601  0.950  1.0
  I  I34  1  0.299  0.182  0.530  1.0
  I  I35  1  0.214  0.470  0.688  1.0
  I  I36  1  0.875  0.801  0.018  1.0
  I  I37  1  0.542  0.145  0.350  1.0
  I  I38  1  0.095  0.570  0.126  1.0
  I  I39  1  0.826  0.153  0.164  1.0
  I  I40  1  0.049  0.944  0.268  1.0
  I  I41  1  0.786  0.530  0.312  1.0
  N  N42  1  0.559  0.549  0.584  1.0
  N  N43  1  0.441  0.451  0.416  1.0
[/CIF]
.