The compound described by Dy2Fe15Co2CN crystallizes in the triclinic P-1 space group. Dy(1) is bonded in a distorted bent 120 degrees geometry to one Fe(4), one Fe(5), one Fe(6), two equivalent Fe(9), three equivalent Fe(3), one Co(1), one C(1), and one N(1) atom. There are nine inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a single-bond geometry to one Fe(3), one Fe(5), one Fe(6), one Fe(9), one Co(1), and one C(1) atom. In the second Fe site, Fe(2) is bonded in a single-bond geometry to one Fe(3), one Fe(4), one Fe(6), one Fe(9), one Co(1), and one N(1) atom. In the third Fe site, Fe(3) is bonded to three equivalent Dy(1), one Fe(1), one Fe(2), one Fe(4), one Fe(5), one Fe(7), one Fe(8), two equivalent Fe(9), and one Co(1) atom to form distorted FeDy3Fe8Co cuboctahedra that share  a cornercorner with one Fe(4)Dy2Fe8Co2 cuboctahedra,  a cornercorner with one Fe(5)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with three equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent C(1)Dy2Fe4 octahedra, corners with two equivalent N(1)Dy2Fe4 octahedra,  an edgeedge with one Fe(4)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(5)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(6)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(3)Dy3Fe8Co cuboctahedra,  a faceface with one Fe(4)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(5)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(6)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(3)Dy3Fe8Co cuboctahedra, faces with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra,  a faceface with one C(1)Dy2Fe4 octahedra, and  a faceface with one N(1)Dy2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 63-70°. In the fourth Fe site, Fe(4) is bonded to two equivalent Dy(1), two equivalent Fe(2), two equivalent Fe(3), two equivalent Fe(8), two equivalent Fe(9), and two equivalent Co(1) atoms to form FeDy2Fe8Co2 cuboctahedra that share corners with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent C(1)Dy2Fe4 octahedra, edges with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, edges with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, faces with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, and faces with two equivalent N(1)Dy2Fe4 octahedra. The corner-sharing octahedral tilt angles are 45°. In the fifth Fe site, Fe(5) is bonded to two equivalent Dy(1), two equivalent Fe(1), two equivalent Fe(3), two equivalent Fe(7), two equivalent Fe(9), and two equivalent Co(1) atoms to form distorted FeDy2Fe8Co2 cuboctahedra that share corners with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent N(1)Dy2Fe4 octahedra, edges with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, edges with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, faces with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, and faces with two equivalent C(1)Dy2Fe4 octahedra. The corner-sharing octahedral tilt angles are 44°. In the sixth Fe site, Fe(6) is bonded to two equivalent Dy(1), two equivalent Fe(1), two equivalent Fe(2), two equivalent Fe(7), two equivalent Fe(8), and two equivalent Co(1) atoms to form distorted FeDy2Fe8Co2 cuboctahedra that share corners with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with six equivalent Fe(3)Dy3Fe8Co cuboctahedra, edges with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, faces with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, faces with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent C(1)Dy2Fe4 octahedra, and faces with two equivalent N(1)Dy2Fe4 octahedra. In the seventh Fe site, Fe(7) is bonded in a single-bond geometry to one Fe(3), one Fe(5), one Fe(6), one Fe(9), two equivalent Co(1), and one C(1) atom. In the eighth Fe site, Fe(8) is bonded in a single-bond geometry to one Fe(3), one Fe(4), one Fe(6), one Fe(9), two equivalent Co(1), and one N(1) atom. In the ninth Fe site, Fe(9) is bonded to two equivalent Dy(1), one Fe(1), one Fe(2), one Fe(4), one Fe(5), one Fe(7), one Fe(8), two equivalent Fe(3), and two equivalent Co(1) atoms to form FeDy2Fe8Co2 cuboctahedra that share  a cornercorner with one Fe(4)Dy2Fe8Co2 cuboctahedra,  a cornercorner with one Fe(5)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent C(1)Dy2Fe4 octahedra, corners with two equivalent N(1)Dy2Fe4 octahedra,  an edgeedge with one Fe(4)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(5)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(9)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one C(1)Dy2Fe4 octahedra,  an edgeedge with one N(1)Dy2Fe4 octahedra,  a faceface with one Fe(4)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(5)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, and faces with four equivalent Fe(3)Dy3Fe8Co cuboctahedra. The corner-sharing octahedral tilt angles range from 23-29°. Co(1) is bonded in a 14-coordinate geometry to one Dy(1), one Fe(1), one Fe(2), one Fe(3), one Fe(4), one Fe(5), one Fe(6), two equivalent Fe(7), two equivalent Fe(8), two equivalent Fe(9), and one Co(1) atom. C(1) is bonded to two equivalent Dy(1), two equivalent Fe(1), and two equivalent Fe(7) atoms to form CDy2Fe4 octahedra that share corners with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent N(1)Dy2Fe4 octahedra, edges with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, and faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra. The corner-sharing octahedral tilt angles are 61°. N(1) is bonded to two equivalent Dy(1), two equivalent Fe(2), and two equivalent Fe(8) atoms to form NDy2Fe4 octahedra that share corners with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent C(1)Dy2Fe4 octahedra, edges with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, and faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra. The corner-sharing octahedral tilt angles are 61°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy2Fe15Co2CN
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.440
_cell_length_b   6.454
_cell_length_c   6.494
_cell_angle_alpha   83.323
_cell_angle_beta   83.125
_cell_angle_gamma   82.624
_symmetry_Int_Tables_number   1
_cell_volume   264.383
_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
  Dy  Dy0  1  0.661  0.651  0.659  1.0
  Dy  Dy1  1  0.339  0.349  0.341  1.0
  Fe  Fe2  1  0.345  0.852  0.341  1.0
  Fe  Fe3  1  0.851  0.344  0.341  1.0
  Fe  Fe4  1  0.348  0.346  0.857  1.0
  Fe  Fe5  1  0.655  0.148  0.659  1.0
  Fe  Fe6  1  0.149  0.656  0.659  1.0
  Fe  Fe7  1  0.652  0.654  0.143  1.0
  Fe  Fe8  1  0.000  0.500  0.000  1.0
  Fe  Fe9  1  0.500  0.000  0.000  1.0
  Fe  Fe10  1  0.000  0.000  0.500  1.0
  Fe  Fe11  1  0.713  0.001  0.285  1.0
  Fe  Fe12  1  0.002  0.281  0.718  1.0
  Fe  Fe13  1  0.287  0.714  0.998  1.0
  Fe  Fe14  1  0.998  0.719  0.282  1.0
  Fe  Fe15  1  0.713  0.286  0.002  1.0
  Fe  Fe16  1  0.287  0.999  0.715  1.0
  Co  Co17  1  0.905  0.906  0.908  1.0
  Co  Co18  1  0.095  0.094  0.092  1.0
  C  C19  1  0.500  0.000  0.500  1.0
  N  N20  1  0.000  0.500  0.500  1.0
[/CIF]
.
The compound described by Dy2Fe15Co2CN crystallizes in the triclinic P-1 space group. Dy(1) is bonded in a distorted bent 120 degrees geometry to one Fe(4), one Fe(5), one Fe(6), two equivalent Fe(9), three equivalent Fe(3), one Co(1), one C(1), and one N(1) atom. There are nine inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a single-bond geometry to one Fe(3), one Fe(5), one Fe(6), one Fe(9), one Co(1), and one C(1) atom. In the second Fe site, Fe(2) is bonded in a single-bond geometry to one Fe(3), one Fe(4), one Fe(6), one Fe(9), one Co(1), and one N(1) atom. In the third Fe site, Fe(3) is bonded to three equivalent Dy(1), one Fe(1), one Fe(2), one Fe(4), one Fe(5), one Fe(7), one Fe(8), two equivalent Fe(9), and one Co(1) atom to form distorted FeDy3Fe8Co cuboctahedra that share  a cornercorner with one Fe(4)Dy2Fe8Co2 cuboctahedra,  a cornercorner with one Fe(5)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with three equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent C(1)Dy2Fe4 octahedra, corners with two equivalent N(1)Dy2Fe4 octahedra,  an edgeedge with one Fe(4)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(5)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(6)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(3)Dy3Fe8Co cuboctahedra,  a faceface with one Fe(4)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(5)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(6)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(3)Dy3Fe8Co cuboctahedra, faces with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra,  a faceface with one C(1)Dy2Fe4 octahedra, and  a faceface with one N(1)Dy2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 63-70°. In the fourth Fe site, Fe(4) is bonded to two equivalent Dy(1), two equivalent Fe(2), two equivalent Fe(3), two equivalent Fe(8), two equivalent Fe(9), and two equivalent Co(1) atoms to form FeDy2Fe8Co2 cuboctahedra that share corners with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent C(1)Dy2Fe4 octahedra, edges with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, edges with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, faces with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, and faces with two equivalent N(1)Dy2Fe4 octahedra. The corner-sharing octahedral tilt angles are 45°. In the fifth Fe site, Fe(5) is bonded to two equivalent Dy(1), two equivalent Fe(1), two equivalent Fe(3), two equivalent Fe(7), two equivalent Fe(9), and two equivalent Co(1) atoms to form distorted FeDy2Fe8Co2 cuboctahedra that share corners with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent N(1)Dy2Fe4 octahedra, edges with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, edges with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, faces with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, and faces with two equivalent C(1)Dy2Fe4 octahedra. The corner-sharing octahedral tilt angles are 44°. In the sixth Fe site, Fe(6) is bonded to two equivalent Dy(1), two equivalent Fe(1), two equivalent Fe(2), two equivalent Fe(7), two equivalent Fe(8), and two equivalent Co(1) atoms to form distorted FeDy2Fe8Co2 cuboctahedra that share corners with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with six equivalent Fe(3)Dy3Fe8Co cuboctahedra, edges with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, faces with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, faces with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent C(1)Dy2Fe4 octahedra, and faces with two equivalent N(1)Dy2Fe4 octahedra. In the seventh Fe site, Fe(7) is bonded in a single-bond geometry to one Fe(3), one Fe(5), one Fe(6), one Fe(9), two equivalent Co(1), and one C(1) atom. In the eighth Fe site, Fe(8) is bonded in a single-bond geometry to one Fe(3), one Fe(4), one Fe(6), one Fe(9), two equivalent Co(1), and one N(1) atom. In the ninth Fe site, Fe(9) is bonded to two equivalent Dy(1), one Fe(1), one Fe(2), one Fe(4), one Fe(5), one Fe(7), one Fe(8), two equivalent Fe(3), and two equivalent Co(1) atoms to form FeDy2Fe8Co2 cuboctahedra that share  a cornercorner with one Fe(4)Dy2Fe8Co2 cuboctahedra,  a cornercorner with one Fe(5)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with two equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent C(1)Dy2Fe4 octahedra, corners with two equivalent N(1)Dy2Fe4 octahedra,  an edgeedge with one Fe(4)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(5)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one Fe(9)Dy2Fe8Co2 cuboctahedra,  an edgeedge with one C(1)Dy2Fe4 octahedra,  an edgeedge with one N(1)Dy2Fe4 octahedra,  a faceface with one Fe(4)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(5)Dy2Fe8Co2 cuboctahedra,  a faceface with one Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, and faces with four equivalent Fe(3)Dy3Fe8Co cuboctahedra. The corner-sharing octahedral tilt angles range from 23-29°. Co(1) is bonded in a 14-coordinate geometry to one Dy(1), one Fe(1), one Fe(2), one Fe(3), one Fe(4), one Fe(5), one Fe(6), two equivalent Fe(7), two equivalent Fe(8), two equivalent Fe(9), and one Co(1) atom. C(1) is bonded to two equivalent Dy(1), two equivalent Fe(1), and two equivalent Fe(7) atoms to form CDy2Fe4 octahedra that share corners with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent N(1)Dy2Fe4 octahedra, edges with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, and faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra. The corner-sharing octahedral tilt angles are 61°. N(1) is bonded to two equivalent Dy(1), two equivalent Fe(2), and two equivalent Fe(8) atoms to form NDy2Fe4 octahedra that share corners with two equivalent Fe(5)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, corners with four equivalent Fe(3)Dy3Fe8Co cuboctahedra, corners with two equivalent C(1)Dy2Fe4 octahedra, edges with two equivalent Fe(9)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(4)Dy2Fe8Co2 cuboctahedra, faces with two equivalent Fe(6)Dy2Fe8Co2 cuboctahedra, and faces with two equivalent Fe(3)Dy3Fe8Co cuboctahedra. The corner-sharing octahedral tilt angles are 61°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Dy2Fe15Co2CN
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.440
_cell_length_b   6.454
_cell_length_c   6.494
_cell_angle_alpha   83.323
_cell_angle_beta   83.125
_cell_angle_gamma   82.624
_symmetry_Int_Tables_number   1
_cell_volume   264.383
_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
  Dy  Dy0  1  0.661  0.651  0.659  1.0
  Dy  Dy1  1  0.339  0.349  0.341  1.0
  Fe  Fe2  1  0.345  0.852  0.341  1.0
  Fe  Fe3  1  0.851  0.344  0.341  1.0
  Fe  Fe4  1  0.348  0.346  0.857  1.0
  Fe  Fe5  1  0.655  0.148  0.659  1.0
  Fe  Fe6  1  0.149  0.656  0.659  1.0
  Fe  Fe7  1  0.652  0.654  0.143  1.0
  Fe  Fe8  1  0.000  0.500  0.000  1.0
  Fe  Fe9  1  0.500  0.000  0.000  1.0
  Fe  Fe10  1  0.000  0.000  0.500  1.0
  Fe  Fe11  1  0.713  0.001  0.285  1.0
  Fe  Fe12  1  0.002  0.281  0.718  1.0
  Fe  Fe13  1  0.287  0.714  0.998  1.0
  Fe  Fe14  1  0.998  0.719  0.282  1.0
  Fe  Fe15  1  0.713  0.286  0.002  1.0
  Fe  Fe16  1  0.287  0.999  0.715  1.0
  Co  Co17  1  0.905  0.906  0.908  1.0
  Co  Co18  1  0.095  0.094  0.092  1.0
  C  C19  1  0.500  0.000  0.500  1.0
  N  N20  1  0.000  0.500  0.500  1.0
[/CIF]
.