The material structure described by Sm4Fe27Co7C2 crystallizes in the monoclinic Cm space group. There are four inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a distorted single-bond geometry to two equivalent Fe(11), two equivalent Fe(13), two equivalent Fe(3), four equivalent Fe(7), one Co(1), one Co(5), two equivalent Co(4), and one C(2) atom. In the second Sm site, Sm(2) is bonded in a distorted single-bond geometry to one Fe(15), two equivalent Fe(12), two equivalent Fe(14), two equivalent Fe(4), four equivalent Fe(8), one Co(2), two equivalent Co(3), and one C(1) atom. In the third Sm site, Sm(3) is bonded in a distorted single-bond geometry to one Fe(16), two equivalent Fe(11), two equivalent Fe(13), two equivalent Fe(7), four equivalent Fe(3), one Co(1), two equivalent Co(3), and one C(1) atom. In the fourth Sm site, Sm(4) is bonded in a distorted single-bond geometry to one Fe(17), two equivalent Fe(12), two equivalent Fe(14), two equivalent Fe(8), four equivalent Fe(4), one Co(2), two equivalent Co(4), and one C(2) atom. There are seventeen inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a single-bond geometry to one Fe(17), two equivalent Fe(13), two equivalent Fe(7), two equivalent Co(4), and one C(2) atom. In the second Fe site, Fe(2) is bonded in a single-bond geometry to one Fe(16), two equivalent Fe(14), two equivalent Fe(8), two equivalent Co(3), and one C(1) atom. In the third Fe site, Fe(3) is bonded to one Sm(1), two equivalent Sm(3), one Fe(13), one Fe(16), one Fe(5), one Fe(7), one Fe(9), two equivalent Fe(11), one Co(1), and one Co(3) atom to form distorted FeSm3Fe7Co2 cuboctahedra that share  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra, corners with three equivalent Fe(7)Sm3Fe6Co3 cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra,  an edgeedge with one Fe(7)Sm3Fe6Co3 cuboctahedra,  an edgeedge with one Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(1)Sm2Fe9Co cuboctahedra,  an edgeedge with one Co(4)Sm2Fe9Co cuboctahedra, edges with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(1)Sm2Fe9Co cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and  a faceface with one C(1)Sm2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 66-70°. In the fourth Fe site, Fe(4) is bonded to one Sm(2), two equivalent Sm(4), one Fe(10), one Fe(14), one Fe(17), one Fe(6), one Fe(8), two equivalent Fe(12), one Co(2), and one Co(4) atom to form distorted FeSm3Fe7Co2 cuboctahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra, corners with three equivalent Fe(8)Sm3Fe7Co2 cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra,  an edgeedge with one Fe(8)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Co(2)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(4)Sm2Fe9Co cuboctahedra, edges with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(2)Sm2Fe10 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra, and  a faceface with one C(2)Sm2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 66-70°. In the fifth Fe site, Fe(5) is bonded in a single-bond geometry to one Fe(15), two equivalent Fe(11), two equivalent Fe(3), two equivalent Co(3), and one C(1) atom. In the sixth Fe site, Fe(6) is bonded in a single-bond geometry to two equivalent Fe(12), two equivalent Fe(4), one Co(5), two equivalent Co(4), and one C(2) atom. In the seventh Fe site, Fe(7) is bonded to one Sm(3), two equivalent Sm(1), one Fe(1), one Fe(10), one Fe(11), one Fe(3), two equivalent Fe(13), one Co(1), one Co(4), and one Co(5) atom to form distorted FeSm3Fe6Co3 cuboctahedra that share  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra, corners with three equivalent Fe(3)Sm3Fe7Co2 cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra,  an edgeedge with one Fe(3)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(1)Sm2Fe9Co cuboctahedra,  an edgeedge with one Co(4)Sm2Fe9Co cuboctahedra, edges with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra,  a faceface with one Co(1)Sm2Fe9Co cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra, and  a faceface with one C(2)Sm2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 66-70°. In the eighth Fe site, Fe(8) is bonded to one Sm(4), two equivalent Sm(2), one Fe(12), one Fe(15), one Fe(2), one Fe(4), one Fe(9), two equivalent Fe(14), one Co(2), and one Co(3) atom to form distorted FeSm3Fe7Co2 cuboctahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra, corners with three equivalent Fe(4)Sm3Fe7Co2 cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra,  an edgeedge with one Fe(4)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Co(2)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(4)Sm2Fe9Co cuboctahedra, edges with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(2)Sm2Fe10 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and  a faceface with one C(1)Sm2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 66-70°. In the ninth Fe site, Fe(9) is bonded in a single-bond geometry to one Fe(11), one Fe(14), one Fe(15), one Fe(16), one Fe(3), one Fe(8), two equivalent Co(3), and one C(1) atom. In the tenth Fe site, Fe(10) is bonded in a single-bond geometry to one Fe(12), one Fe(13), one Fe(17), one Fe(4), one Fe(7), one Co(5), two equivalent Co(4), and one C(2) atom. In the eleventh Fe site, Fe(11) is bonded in a 12-coordinate geometry to one Sm(1), one Sm(3), one Fe(11), one Fe(15), one Fe(16), one Fe(5), one Fe(7), one Fe(9), two equivalent Fe(3), one Co(1), and one Co(3) atom. In the twelfth Fe site, Fe(12) is bonded in a 12-coordinate geometry to one Sm(2), one Sm(4), one Fe(10), one Fe(12), one Fe(17), one Fe(6), one Fe(8), two equivalent Fe(4), one Co(2), one Co(4), and one Co(5) atom. In the thirteenth Fe site, Fe(13) is bonded in a 12-coordinate geometry to one Sm(1), one Sm(3), one Fe(1), one Fe(10), one Fe(13), one Fe(17), one Fe(3), two equivalent Fe(7), one Co(1), one Co(4), and one Co(5) atom. In the fourteenth Fe site, Fe(14) is bonded in a 12-coordinate geometry to one Sm(2), one Sm(4), one Fe(14), one Fe(15), one Fe(16), one Fe(2), one Fe(4), one Fe(9), two equivalent Fe(8), one Co(2), and one Co(3) atom. In the fifteenth Fe site, Fe(15) is bonded in a 14-coordinate geometry to one Sm(2), one Fe(16), one Fe(5), two equivalent Fe(11), two equivalent Fe(14), two equivalent Fe(8), two equivalent Fe(9), one Co(2), and two equivalent Co(3) atoms. In the sixteenth Fe site, Fe(16) is bonded in a 14-coordinate geometry to one Sm(3), one Fe(15), one Fe(2), two equivalent Fe(11), two equivalent Fe(14), two equivalent Fe(3), two equivalent Fe(9), one Co(1), and two equivalent Co(3) atoms. In the seventeenth Fe site, Fe(17) is bonded in a 14-coordinate geometry to one Sm(4), one Fe(1), two equivalent Fe(10), two equivalent Fe(12), two equivalent Fe(13), two equivalent Fe(4), one Co(2), one Co(5), and two equivalent Co(4) atoms. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to one Sm(1), one Sm(3), one Fe(16), two equivalent Fe(11), two equivalent Fe(13), two equivalent Fe(3), two equivalent Fe(7), and one Co(5) atom to form distorted CoSm2Fe9Co cuboctahedra that share corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra, edges with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, edges with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra. The corner-sharing octahedral tilt angles are 45°. In the second Co site, Co(2) is bonded to one Sm(2), one Sm(4), one Fe(15), one Fe(17), two equivalent Fe(12), two equivalent Fe(14), two equivalent Fe(4), and two equivalent Fe(8) atoms to form distorted CoSm2Fe10 cuboctahedra that share corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra, edges with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, edges with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra. The corner-sharing octahedral tilt angles are 45°. In the third Co site, Co(3) is bonded to one Sm(2), one Sm(3), one Fe(11), one Fe(14), one Fe(15), one Fe(16), one Fe(2), one Fe(3), one Fe(5), one Fe(8), and two equivalent Fe(9) atoms to form distorted CoSm2Fe10 cuboctahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra,  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Fe(7)Sm3Fe6Co3 cuboctahedra,  an edgeedge with one Fe(3)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Fe(4)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Fe(8)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(2)Sm2Fe10 cuboctahedra,  a faceface with one Co(1)Sm2Fe9Co cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and faces with two equivalent C(1)Sm2Fe4 octahedra. In the fourth Co site, Co(4) is bonded to one Sm(1), one Sm(4), one Fe(1), one Fe(12), one Fe(13), one Fe(17), one Fe(4), one Fe(6), one Fe(7), two equivalent Fe(10), and one Co(5) atom to form distorted CoSm2Fe9Co cuboctahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra,  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra,  an edgeedge with one Fe(7)Sm3Fe6Co3 cuboctahedra,  an edgeedge with one Fe(3)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Fe(4)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Fe(8)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(2)Sm2Fe10 cuboctahedra,  a faceface with one Co(1)Sm2Fe9Co cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra, and faces with two equivalent C(2)Sm2Fe4 octahedra. In the fifth Co site, Co(5) is bonded in a 14-coordinate geometry to one Sm(1), one Fe(17), one Fe(6), two equivalent Fe(10), two equivalent Fe(12), two equivalent Fe(13), two equivalent Fe(7), one Co(1), and two equivalent Co(4) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded to one Sm(2), one Sm(3), one Fe(2), one Fe(5), and two equivalent Fe(9) atoms to form CSm2Fe4 octahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra,  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, and faces with four equivalent Co(3)Sm2Fe10 cuboctahedra. In the second C site, C(2) is bonded to one Sm(1), one Sm(4), one Fe(1), one Fe(6), and two equivalent Fe(10) atoms to form CSm2Fe4 octahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra,  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, and faces with four equivalent Co(4)Sm2Fe9Co cuboctahedra. is represented by the CIF card [CIF]
data_Sm4Fe27Co7C2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.482
_cell_length_b   6.482
_cell_length_c   12.909
_cell_angle_alpha   83.562
_cell_angle_beta   83.562
_cell_angle_gamma   83.555
_symmetry_Int_Tables_number   1
_cell_volume   532.909
_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
  Sm  Sm0  1  0.662  0.662  0.324  1.0
  Sm  Sm1  1  0.661  0.661  0.824  1.0
  Sm  Sm2  1  0.339  0.339  0.176  1.0
  Sm  Sm3  1  0.339  0.339  0.676  1.0
  Fe  Fe4  1  0.342  0.342  0.425  1.0
  Fe  Fe5  1  0.342  0.342  0.926  1.0
  Fe  Fe6  1  0.340  0.849  0.171  1.0
  Fe  Fe7  1  0.341  0.850  0.671  1.0
  Fe  Fe8  1  0.849  0.340  0.171  1.0
  Fe  Fe9  1  0.850  0.341  0.671  1.0
  Fe  Fe10  1  0.657  0.657  0.074  1.0
  Fe  Fe11  1  0.659  0.659  0.573  1.0
  Fe  Fe12  1  0.661  0.149  0.330  1.0
  Fe  Fe13  1  0.659  0.150  0.829  1.0
  Fe  Fe14  1  0.149  0.661  0.330  1.0
  Fe  Fe15  1  0.150  0.659  0.829  1.0
  Fe  Fe16  1  0.286  0.714  1.000  1.0
  Fe  Fe17  1  0.287  0.713  0.500  1.0
  Fe  Fe18  1  0.712  1.000  0.144  1.0
  Fe  Fe19  1  0.712  0.000  0.643  1.0
  Fe  Fe20  1  0.999  0.288  0.357  1.0
  Fe  Fe21  1  0.000  0.288  0.856  1.0
  Fe  Fe22  1  0.288  0.999  0.357  1.0
  Fe  Fe23  1  0.288  0.000  0.856  1.0
  Fe  Fe24  1  1.000  0.712  0.144  1.0
  Fe  Fe25  1  0.000  0.712  0.643  1.0
  Fe  Fe26  1  0.714  0.286  1.000  1.0
  Fe  Fe27  1  0.713  0.287  0.500  1.0
  Fe  Fe28  1  0.905  0.905  0.952  1.0
  Fe  Fe29  1  0.095  0.095  0.047  1.0
  Fe  Fe30  1  0.092  0.092  0.546  1.0
  Co  Co31  1  0.000  0.000  0.250  1.0
  Co  Co32  1  0.000  0.000  0.750  1.0
  Co  Co33  1  0.000  0.500  1.000  1.0
  Co  Co34  1  0.000  0.500  0.500  1.0
  Co  Co35  1  0.500  0.000  0.500  1.0
  Co  Co36  1  0.500  0.000  1.000  1.0
  Co  Co37  1  0.905  0.905  0.453  1.0
  C  C38  1  0.500  0.500  1.000  1.0
  C  C39  1  0.500  0.500  0.500  1.0
[/CIF]
.
The material structure described by Sm4Fe27Co7C2 crystallizes in the monoclinic Cm space group. There are four inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a distorted single-bond geometry to two equivalent Fe(11), two equivalent Fe(13), two equivalent Fe(3), four equivalent Fe(7), one Co(1), one Co(5), two equivalent Co(4), and one C(2) atom. In the second Sm site, Sm(2) is bonded in a distorted single-bond geometry to one Fe(15), two equivalent Fe(12), two equivalent Fe(14), two equivalent Fe(4), four equivalent Fe(8), one Co(2), two equivalent Co(3), and one C(1) atom. In the third Sm site, Sm(3) is bonded in a distorted single-bond geometry to one Fe(16), two equivalent Fe(11), two equivalent Fe(13), two equivalent Fe(7), four equivalent Fe(3), one Co(1), two equivalent Co(3), and one C(1) atom. In the fourth Sm site, Sm(4) is bonded in a distorted single-bond geometry to one Fe(17), two equivalent Fe(12), two equivalent Fe(14), two equivalent Fe(8), four equivalent Fe(4), one Co(2), two equivalent Co(4), and one C(2) atom. There are seventeen inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a single-bond geometry to one Fe(17), two equivalent Fe(13), two equivalent Fe(7), two equivalent Co(4), and one C(2) atom. In the second Fe site, Fe(2) is bonded in a single-bond geometry to one Fe(16), two equivalent Fe(14), two equivalent Fe(8), two equivalent Co(3), and one C(1) atom. In the third Fe site, Fe(3) is bonded to one Sm(1), two equivalent Sm(3), one Fe(13), one Fe(16), one Fe(5), one Fe(7), one Fe(9), two equivalent Fe(11), one Co(1), and one Co(3) atom to form distorted FeSm3Fe7Co2 cuboctahedra that share  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra, corners with three equivalent Fe(7)Sm3Fe6Co3 cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra,  an edgeedge with one Fe(7)Sm3Fe6Co3 cuboctahedra,  an edgeedge with one Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(1)Sm2Fe9Co cuboctahedra,  an edgeedge with one Co(4)Sm2Fe9Co cuboctahedra, edges with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(1)Sm2Fe9Co cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and  a faceface with one C(1)Sm2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 66-70°. In the fourth Fe site, Fe(4) is bonded to one Sm(2), two equivalent Sm(4), one Fe(10), one Fe(14), one Fe(17), one Fe(6), one Fe(8), two equivalent Fe(12), one Co(2), and one Co(4) atom to form distorted FeSm3Fe7Co2 cuboctahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra, corners with three equivalent Fe(8)Sm3Fe7Co2 cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra,  an edgeedge with one Fe(8)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Co(2)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(4)Sm2Fe9Co cuboctahedra, edges with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(2)Sm2Fe10 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra, and  a faceface with one C(2)Sm2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 66-70°. In the fifth Fe site, Fe(5) is bonded in a single-bond geometry to one Fe(15), two equivalent Fe(11), two equivalent Fe(3), two equivalent Co(3), and one C(1) atom. In the sixth Fe site, Fe(6) is bonded in a single-bond geometry to two equivalent Fe(12), two equivalent Fe(4), one Co(5), two equivalent Co(4), and one C(2) atom. In the seventh Fe site, Fe(7) is bonded to one Sm(3), two equivalent Sm(1), one Fe(1), one Fe(10), one Fe(11), one Fe(3), two equivalent Fe(13), one Co(1), one Co(4), and one Co(5) atom to form distorted FeSm3Fe6Co3 cuboctahedra that share  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra, corners with three equivalent Fe(3)Sm3Fe7Co2 cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra,  an edgeedge with one Fe(3)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(1)Sm2Fe9Co cuboctahedra,  an edgeedge with one Co(4)Sm2Fe9Co cuboctahedra, edges with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra,  a faceface with one Co(1)Sm2Fe9Co cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra, and  a faceface with one C(2)Sm2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 66-70°. In the eighth Fe site, Fe(8) is bonded to one Sm(4), two equivalent Sm(2), one Fe(12), one Fe(15), one Fe(2), one Fe(4), one Fe(9), two equivalent Fe(14), one Co(2), and one Co(3) atom to form distorted FeSm3Fe7Co2 cuboctahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra, corners with three equivalent Fe(4)Sm3Fe7Co2 cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra,  an edgeedge with one Fe(4)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Co(2)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Co(4)Sm2Fe9Co cuboctahedra, edges with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(2)Sm2Fe10 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and  a faceface with one C(1)Sm2Fe4 octahedra. The corner-sharing octahedral tilt angles range from 66-70°. In the ninth Fe site, Fe(9) is bonded in a single-bond geometry to one Fe(11), one Fe(14), one Fe(15), one Fe(16), one Fe(3), one Fe(8), two equivalent Co(3), and one C(1) atom. In the tenth Fe site, Fe(10) is bonded in a single-bond geometry to one Fe(12), one Fe(13), one Fe(17), one Fe(4), one Fe(7), one Co(5), two equivalent Co(4), and one C(2) atom. In the eleventh Fe site, Fe(11) is bonded in a 12-coordinate geometry to one Sm(1), one Sm(3), one Fe(11), one Fe(15), one Fe(16), one Fe(5), one Fe(7), one Fe(9), two equivalent Fe(3), one Co(1), and one Co(3) atom. In the twelfth Fe site, Fe(12) is bonded in a 12-coordinate geometry to one Sm(2), one Sm(4), one Fe(10), one Fe(12), one Fe(17), one Fe(6), one Fe(8), two equivalent Fe(4), one Co(2), one Co(4), and one Co(5) atom. In the thirteenth Fe site, Fe(13) is bonded in a 12-coordinate geometry to one Sm(1), one Sm(3), one Fe(1), one Fe(10), one Fe(13), one Fe(17), one Fe(3), two equivalent Fe(7), one Co(1), one Co(4), and one Co(5) atom. In the fourteenth Fe site, Fe(14) is bonded in a 12-coordinate geometry to one Sm(2), one Sm(4), one Fe(14), one Fe(15), one Fe(16), one Fe(2), one Fe(4), one Fe(9), two equivalent Fe(8), one Co(2), and one Co(3) atom. In the fifteenth Fe site, Fe(15) is bonded in a 14-coordinate geometry to one Sm(2), one Fe(16), one Fe(5), two equivalent Fe(11), two equivalent Fe(14), two equivalent Fe(8), two equivalent Fe(9), one Co(2), and two equivalent Co(3) atoms. In the sixteenth Fe site, Fe(16) is bonded in a 14-coordinate geometry to one Sm(3), one Fe(15), one Fe(2), two equivalent Fe(11), two equivalent Fe(14), two equivalent Fe(3), two equivalent Fe(9), one Co(1), and two equivalent Co(3) atoms. In the seventeenth Fe site, Fe(17) is bonded in a 14-coordinate geometry to one Sm(4), one Fe(1), two equivalent Fe(10), two equivalent Fe(12), two equivalent Fe(13), two equivalent Fe(4), one Co(2), one Co(5), and two equivalent Co(4) atoms. There are five inequivalent Co sites. In the first Co site, Co(1) is bonded to one Sm(1), one Sm(3), one Fe(16), two equivalent Fe(11), two equivalent Fe(13), two equivalent Fe(3), two equivalent Fe(7), and one Co(5) atom to form distorted CoSm2Fe9Co cuboctahedra that share corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra, edges with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, edges with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra. The corner-sharing octahedral tilt angles are 45°. In the second Co site, Co(2) is bonded to one Sm(2), one Sm(4), one Fe(15), one Fe(17), two equivalent Fe(12), two equivalent Fe(14), two equivalent Fe(4), and two equivalent Fe(8) atoms to form distorted CoSm2Fe10 cuboctahedra that share corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra,  a cornercorner with one C(1)Sm2Fe4 octahedra,  a cornercorner with one C(2)Sm2Fe4 octahedra, edges with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, edges with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra. The corner-sharing octahedral tilt angles are 45°. In the third Co site, Co(3) is bonded to one Sm(2), one Sm(3), one Fe(11), one Fe(14), one Fe(15), one Fe(16), one Fe(2), one Fe(3), one Fe(5), one Fe(8), and two equivalent Fe(9) atoms to form distorted CoSm2Fe10 cuboctahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra,  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(3)Sm2Fe10 cuboctahedra,  an edgeedge with one Fe(7)Sm3Fe6Co3 cuboctahedra,  an edgeedge with one Fe(3)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Fe(4)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Fe(8)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(2)Sm2Fe10 cuboctahedra,  a faceface with one Co(1)Sm2Fe9Co cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(3)Sm2Fe10 cuboctahedra, and faces with two equivalent C(1)Sm2Fe4 octahedra. In the fourth Co site, Co(4) is bonded to one Sm(1), one Sm(4), one Fe(1), one Fe(12), one Fe(13), one Fe(17), one Fe(4), one Fe(6), one Fe(7), two equivalent Fe(10), and one Co(5) atom to form distorted CoSm2Fe9Co cuboctahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra,  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Co(4)Sm2Fe9Co cuboctahedra,  an edgeedge with one Fe(7)Sm3Fe6Co3 cuboctahedra,  an edgeedge with one Fe(3)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Fe(4)Sm3Fe7Co2 cuboctahedra,  an edgeedge with one Fe(8)Sm3Fe7Co2 cuboctahedra,  a faceface with one Co(2)Sm2Fe10 cuboctahedra,  a faceface with one Co(1)Sm2Fe9Co cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Co(4)Sm2Fe9Co cuboctahedra, and faces with two equivalent C(2)Sm2Fe4 octahedra. In the fifth Co site, Co(5) is bonded in a 14-coordinate geometry to one Sm(1), one Fe(17), one Fe(6), two equivalent Fe(10), two equivalent Fe(12), two equivalent Fe(13), two equivalent Fe(7), one Co(1), and two equivalent Co(4) atoms. There are two inequivalent C sites. In the first C site, C(1) is bonded to one Sm(2), one Sm(3), one Fe(2), one Fe(5), and two equivalent Fe(9) atoms to form CSm2Fe4 octahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra,  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, and faces with four equivalent Co(3)Sm2Fe10 cuboctahedra. In the second C site, C(2) is bonded to one Sm(1), one Sm(4), one Fe(1), one Fe(6), and two equivalent Fe(10) atoms to form CSm2Fe4 octahedra that share  a cornercorner with one Co(2)Sm2Fe10 cuboctahedra,  a cornercorner with one Co(1)Sm2Fe9Co cuboctahedra, corners with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, corners with two equivalent Fe(3)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, corners with two equivalent Fe(8)Sm3Fe7Co2 cuboctahedra, faces with two equivalent Fe(7)Sm3Fe6Co3 cuboctahedra, faces with two equivalent Fe(4)Sm3Fe7Co2 cuboctahedra, and faces with four equivalent Co(4)Sm2Fe9Co cuboctahedra. is represented by the CIF card [CIF]
data_Sm4Fe27Co7C2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.482
_cell_length_b   6.482
_cell_length_c   12.909
_cell_angle_alpha   83.562
_cell_angle_beta   83.562
_cell_angle_gamma   83.555
_symmetry_Int_Tables_number   1
_cell_volume   532.909
_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
  Sm  Sm0  1  0.662  0.662  0.324  1.0
  Sm  Sm1  1  0.661  0.661  0.824  1.0
  Sm  Sm2  1  0.339  0.339  0.176  1.0
  Sm  Sm3  1  0.339  0.339  0.676  1.0
  Fe  Fe4  1  0.342  0.342  0.425  1.0
  Fe  Fe5  1  0.342  0.342  0.926  1.0
  Fe  Fe6  1  0.340  0.849  0.171  1.0
  Fe  Fe7  1  0.341  0.850  0.671  1.0
  Fe  Fe8  1  0.849  0.340  0.171  1.0
  Fe  Fe9  1  0.850  0.341  0.671  1.0
  Fe  Fe10  1  0.657  0.657  0.074  1.0
  Fe  Fe11  1  0.659  0.659  0.573  1.0
  Fe  Fe12  1  0.661  0.149  0.330  1.0
  Fe  Fe13  1  0.659  0.150  0.829  1.0
  Fe  Fe14  1  0.149  0.661  0.330  1.0
  Fe  Fe15  1  0.150  0.659  0.829  1.0
  Fe  Fe16  1  0.286  0.714  1.000  1.0
  Fe  Fe17  1  0.287  0.713  0.500  1.0
  Fe  Fe18  1  0.712  1.000  0.144  1.0
  Fe  Fe19  1  0.712  0.000  0.643  1.0
  Fe  Fe20  1  0.999  0.288  0.357  1.0
  Fe  Fe21  1  0.000  0.288  0.856  1.0
  Fe  Fe22  1  0.288  0.999  0.357  1.0
  Fe  Fe23  1  0.288  0.000  0.856  1.0
  Fe  Fe24  1  1.000  0.712  0.144  1.0
  Fe  Fe25  1  0.000  0.712  0.643  1.0
  Fe  Fe26  1  0.714  0.286  1.000  1.0
  Fe  Fe27  1  0.713  0.287  0.500  1.0
  Fe  Fe28  1  0.905  0.905  0.952  1.0
  Fe  Fe29  1  0.095  0.095  0.047  1.0
  Fe  Fe30  1  0.092  0.092  0.546  1.0
  Co  Co31  1  0.000  0.000  0.250  1.0
  Co  Co32  1  0.000  0.000  0.750  1.0
  Co  Co33  1  0.000  0.500  1.000  1.0
  Co  Co34  1  0.000  0.500  0.500  1.0
  Co  Co35  1  0.500  0.000  0.500  1.0
  Co  Co36  1  0.500  0.000  1.000  1.0
  Co  Co37  1  0.905  0.905  0.453  1.0
  C  C38  1  0.500  0.500  1.000  1.0
  C  C39  1  0.500  0.500  0.500  1.0
[/CIF]
.