NdMo2Fe5Co5 crystallizes in the triclinic P-1 space group. Nd(1) is bonded in a 20-coordinate geometry to two equivalent Mo(1), two equivalent Fe(1), two equivalent Fe(2), two equivalent Fe(3), two equivalent Fe(4), two equivalent Co(3), four equivalent Co(1), and four equivalent Co(2) atoms. Mo(1) is bonded in a 14-coordinate geometry to one Nd(1), one Mo(1), one Fe(2), one Fe(3), one Fe(4), four equivalent Fe(1), one Co(3), two equivalent Co(1), and two equivalent Co(2) atoms. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 14-coordinate geometry to one Nd(1), four equivalent Mo(1), one Fe(1), one Fe(2), one Fe(3), one Fe(4), one Co(3), two equivalent Co(1), and two equivalent Co(2) atoms. In the second Fe site, Fe(2) is bonded to two equivalent Nd(1), two equivalent Mo(1), two equivalent Fe(1), two equivalent Co(1), two equivalent Co(2), and two equivalent Co(3) atoms to form distorted FeNd2Fe2Co6Mo2 cuboctahedra that share corners with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with four equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, edges with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, and faces with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra. In the third Fe site, Fe(3) is bonded to two equivalent Nd(1), two equivalent Mo(1), two equivalent Fe(1), two equivalent Fe(4), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted FeNd2Fe4Co4Mo2 cuboctahedra that share corners with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, corners with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with four equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, edges with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, faces with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, and faces with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra. In the fourth Fe site, Fe(4) is bonded to two equivalent Nd(1), two equivalent Mo(1), two equivalent Fe(1), two equivalent Fe(3), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted FeNd2Fe4Co4Mo2 cuboctahedra that share corners with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, corners with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with four equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, edges with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, faces with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, and faces with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 12-coordinate geometry to two equivalent Nd(1), two equivalent Mo(1), one Fe(2), one Fe(3), one Fe(4), two equivalent Fe(1), one Co(3), and two equivalent Co(2) atoms. In the second Co site, Co(2) is bonded in a 12-coordinate geometry to two equivalent Nd(1), two equivalent Mo(1), one Fe(2), one Fe(3), one Fe(4), two equivalent Fe(1), one Co(3), and two equivalent Co(1) atoms. In the third Co site, Co(3) is bonded to two equivalent Nd(1), two equivalent Mo(1), two equivalent Fe(1), two equivalent Fe(2), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted CoNd2Fe4Co4Mo2 cuboctahedra that share corners with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, corners with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, corners with four equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, faces with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, and faces with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra.
NdMo2Fe5Co5 crystallizes in the triclinic P-1 space group. Nd(1) is bonded in a 20-coordinate geometry to two equivalent Mo(1), two equivalent Fe(1), two equivalent Fe(2), two equivalent Fe(3), two equivalent Fe(4), two equivalent Co(3), four equivalent Co(1), and four equivalent Co(2) atoms. Both Nd(1)-Mo(1) bond lengths are 3.10 Å. Both Nd(1)-Fe(1) bond lengths are 3.08 Å. Both Nd(1)-Fe(2) bond lengths are 3.29 Å. Both Nd(1)-Fe(3) bond lengths are 3.27 Å. Both Nd(1)-Fe(4) bond lengths are 3.26 Å. Both Nd(1)-Co(3) bond lengths are 3.27 Å. There are two shorter (3.03 Å) and two longer (3.04 Å) Nd(1)-Co(1) bond lengths. There are two shorter (3.07 Å) and two longer (3.10 Å) Nd(1)-Co(2) bond lengths. Mo(1) is bonded in a 14-coordinate geometry to one Nd(1), one Mo(1), one Fe(2), one Fe(3), one Fe(4), four equivalent Fe(1), one Co(3), two equivalent Co(1), and two equivalent Co(2) atoms. The Mo(1)-Mo(1) bond length is 2.45 Å. The Mo(1)-Fe(2) bond length is 2.62 Å. The Mo(1)-Fe(3) bond length is 2.63 Å. The Mo(1)-Fe(4) bond length is 2.65 Å. There are a spread of Mo(1)-Fe(1) bond distances ranging from 2.90-2.95 Å. The Mo(1)-Co(3) bond length is 2.62 Å. There is one shorter (2.68 Å) and one longer (2.69 Å) Mo(1)-Co(1) bond length. There is one shorter (2.61 Å) and one longer (2.62 Å) Mo(1)-Co(2) bond length. There are four inequivalent Fe sites. In the first Fe site, Fe(1) is bonded in a 14-coordinate geometry to one Nd(1), four equivalent Mo(1), one Fe(1), one Fe(2), one Fe(3), one Fe(4), one Co(3), two equivalent Co(1), and two equivalent Co(2) atoms. The Fe(1)-Fe(1) bond length is 2.45 Å. The Fe(1)-Fe(2) bond length is 2.63 Å. The Fe(1)-Fe(3) bond length is 2.66 Å. The Fe(1)-Fe(4) bond length is 2.64 Å. The Fe(1)-Co(3) bond length is 2.61 Å. There is one shorter (2.63 Å) and one longer (2.64 Å) Fe(1)-Co(1) bond length. There is one shorter (2.64 Å) and one longer (2.66 Å) Fe(1)-Co(2) bond length. In the second Fe site, Fe(2) is bonded to two equivalent Nd(1), two equivalent Mo(1), two equivalent Fe(1), two equivalent Co(1), two equivalent Co(2), and two equivalent Co(3) atoms to form distorted FeNd2Fe2Co6Mo2 cuboctahedra that share corners with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with four equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, edges with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, and faces with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra. Both Fe(2)-Co(1) bond lengths are 2.46 Å. Both Fe(2)-Co(2) bond lengths are 2.45 Å. Both Fe(2)-Co(3) bond lengths are 2.36 Å. In the third Fe site, Fe(3) is bonded to two equivalent Nd(1), two equivalent Mo(1), two equivalent Fe(1), two equivalent Fe(4), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted FeNd2Fe4Co4Mo2 cuboctahedra that share corners with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, corners with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with four equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, edges with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, faces with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, and faces with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra. Both Fe(3)-Fe(4) bond lengths are 2.36 Å. Both Fe(3)-Co(1) bond lengths are 2.47 Å. Both Fe(3)-Co(2) bond lengths are 2.47 Å. In the fourth Fe site, Fe(4) is bonded to two equivalent Nd(1), two equivalent Mo(1), two equivalent Fe(1), two equivalent Fe(3), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted FeNd2Fe4Co4Mo2 cuboctahedra that share corners with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, corners with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with four equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, edges with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, faces with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, and faces with two equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra. Both Fe(4)-Co(1) bond lengths are 2.48 Å. Both Fe(4)-Co(2) bond lengths are 2.46 Å. There are three inequivalent Co sites. In the first Co site, Co(1) is bonded in a 12-coordinate geometry to two equivalent Nd(1), two equivalent Mo(1), one Fe(2), one Fe(3), one Fe(4), two equivalent Fe(1), one Co(3), and two equivalent Co(2) atoms. The Co(1)-Co(3) bond length is 2.49 Å. There is one shorter (2.74 Å) and one longer (2.76 Å) Co(1)-Co(2) bond length. In the second Co site, Co(2) is bonded in a 12-coordinate geometry to two equivalent Nd(1), two equivalent Mo(1), one Fe(2), one Fe(3), one Fe(4), two equivalent Fe(1), one Co(3), and two equivalent Co(1) atoms. The Co(2)-Co(3) bond length is 2.46 Å. In the third Co site, Co(3) is bonded to two equivalent Nd(1), two equivalent Mo(1), two equivalent Fe(1), two equivalent Fe(2), two equivalent Co(1), and two equivalent Co(2) atoms to form distorted CoNd2Fe4Co4Mo2 cuboctahedra that share corners with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, corners with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, corners with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, corners with four equivalent Co(3)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, edges with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra, faces with two equivalent Fe(2)Nd2Fe2Co6Mo2 cuboctahedra, faces with two equivalent Fe(3)Nd2Fe4Co4Mo2 cuboctahedra, and faces with two equivalent Fe(4)Nd2Fe4Co4Mo2 cuboctahedra.