DyCo3P2 crystallizes in the orthorhombic Pmmn space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 16-coordinate geometry to two equivalent Co(2), two equivalent Co(6), six equivalent Co(5), two equivalent P(2), and four equivalent P(3) atoms. In the second Dy site, Dy(2) is bonded in a 15-coordinate geometry to one Co(3), one Co(5), two equivalent Co(2), two equivalent Co(6), three equivalent Co(4), two equivalent P(1), two equivalent P(3), and two equivalent P(4) atoms. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one P(2) and four equivalent P(4) atoms. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to two equivalent Dy(1), four equivalent Dy(2), one P(1), and two equivalent P(3) atoms. In the third Co site, Co(3) is bonded to two equivalent Dy(2), two equivalent P(1), and two equivalent P(4) atoms to form distorted CoDy2P4 tetrahedra that share corners with two equivalent Co(3)Dy2P4 tetrahedra, corners with two equivalent Co(5)Dy4P4 tetrahedra, corners with six equivalent Co(6)Dy3P4 tetrahedra, edges with two equivalent Co(4)Dy3P4 tetrahedra, and faces with four equivalent Co(4)Dy3P4 tetrahedra. In the fourth Co site, Co(4) is bonded to three equivalent Dy(2), one P(1), and three equivalent P(4) atoms to form distorted CoDy3P4 tetrahedra that share  a cornercorner with one Co(4)Dy3P4 tetrahedra, corners with two equivalent Co(6)Dy3P4 tetrahedra, corners with three equivalent Co(5)Dy4P4 tetrahedra,  an edgeedge with one Co(3)Dy2P4 tetrahedra, edges with two equivalent Co(4)Dy3P4 tetrahedra, edges with two equivalent Co(6)Dy3P4 tetrahedra,  a faceface with one Co(6)Dy3P4 tetrahedra, faces with two equivalent Co(3)Dy2P4 tetrahedra, and faces with two equivalent Co(4)Dy3P4 tetrahedra. In the fifth Co site, Co(5) is bonded to one Dy(2), three equivalent Dy(1), one P(2), and three equivalent P(3) atoms to form distorted CoDy4P4 tetrahedra that share  a cornercorner with one Co(3)Dy2P4 tetrahedra,  a cornercorner with one Co(6)Dy3P4 tetrahedra, corners with three equivalent Co(4)Dy3P4 tetrahedra, corners with seven equivalent Co(5)Dy4P4 tetrahedra, edges with two equivalent Co(5)Dy4P4 tetrahedra, edges with three equivalent Co(6)Dy3P4 tetrahedra, faces with two equivalent Co(6)Dy3P4 tetrahedra, and faces with three equivalent Co(5)Dy4P4 tetrahedra. In the sixth Co site, Co(6) is bonded to one Dy(1), two equivalent Dy(2), one P(3), one P(4), and two equivalent P(2) atoms to form distorted CoDy3P4 tetrahedra that share  a cornercorner with one Co(5)Dy4P4 tetrahedra, corners with two equivalent Co(4)Dy3P4 tetrahedra, corners with two equivalent Co(6)Dy3P4 tetrahedra, corners with three equivalent Co(3)Dy2P4 tetrahedra, edges with two equivalent Co(4)Dy3P4 tetrahedra, edges with two equivalent Co(6)Dy3P4 tetrahedra, edges with three equivalent Co(5)Dy4P4 tetrahedra,  a faceface with one Co(4)Dy3P4 tetrahedra,  a faceface with one Co(6)Dy3P4 tetrahedra, and faces with two equivalent Co(5)Dy4P4 tetrahedra. There are four inequivalent P sites. In the first P site, P(4) is bonded in a 9-coordinate geometry to two equivalent Dy(2), one Co(3), one Co(6), two equivalent Co(1), and three equivalent Co(4) atoms. In the second P site, P(1) is bonded in a 9-coordinate geometry to four equivalent Dy(2), one Co(2), two equivalent Co(3), and two equivalent Co(4) atoms. In the third P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Dy(1), one Co(1), two equivalent Co(5), and four equivalent Co(6) atoms. In the fourth P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), one Co(2), one Co(6), and three equivalent Co(5) atoms.
DyCo3P2 crystallizes in the orthorhombic Pmmn space group. There are two inequivalent Dy sites. In the first Dy site, Dy(1) is bonded in a 16-coordinate geometry to two equivalent Co(2), two equivalent Co(6), six equivalent Co(5), two equivalent P(2), and four equivalent P(3) atoms. Both Dy(1)-Co(2) bond lengths are 2.87 Å. Both Dy(1)-Co(6) bond lengths are 3.07 Å. There are four shorter (3.01 Å) and two longer (3.14 Å) Dy(1)-Co(5) bond lengths. Both Dy(1)-P(2) bond lengths are 2.84 Å. All Dy(1)-P(3) bond lengths are 2.93 Å. In the second Dy site, Dy(2) is bonded in a 15-coordinate geometry to one Co(3), one Co(5), two equivalent Co(2), two equivalent Co(6), three equivalent Co(4), two equivalent P(1), two equivalent P(3), and two equivalent P(4) atoms. The Dy(2)-Co(3) bond length is 3.01 Å. The Dy(2)-Co(5) bond length is 2.97 Å. Both Dy(2)-Co(2) bond lengths are 2.86 Å. Both Dy(2)-Co(6) bond lengths are 2.94 Å. There is one shorter (3.00 Å) and two longer (3.06 Å) Dy(2)-Co(4) bond lengths. Both Dy(2)-P(1) bond lengths are 2.86 Å. Both Dy(2)-P(3) bond lengths are 2.84 Å. Both Dy(2)-P(4) bond lengths are 2.79 Å. There are six inequivalent Co sites. In the first Co site, Co(1) is bonded in a 5-coordinate geometry to one P(2) and four equivalent P(4) atoms. The Co(1)-P(2) bond length is 2.27 Å. All Co(1)-P(4) bond lengths are 2.51 Å. In the second Co site, Co(2) is bonded in a 9-coordinate geometry to two equivalent Dy(1), four equivalent Dy(2), one P(1), and two equivalent P(3) atoms. The Co(2)-P(1) bond length is 2.17 Å. Both Co(2)-P(3) bond lengths are 2.25 Å. In the third Co site, Co(3) is bonded to two equivalent Dy(2), two equivalent P(1), and two equivalent P(4) atoms to form distorted CoDy2P4 tetrahedra that share corners with two equivalent Co(3)Dy2P4 tetrahedra, corners with two equivalent Co(5)Dy4P4 tetrahedra, corners with six equivalent Co(6)Dy3P4 tetrahedra, edges with two equivalent Co(4)Dy3P4 tetrahedra, and faces with four equivalent Co(4)Dy3P4 tetrahedra. Both Co(3)-P(1) bond lengths are 2.23 Å. Both Co(3)-P(4) bond lengths are 2.16 Å. In the fourth Co site, Co(4) is bonded to three equivalent Dy(2), one P(1), and three equivalent P(4) atoms to form distorted CoDy3P4 tetrahedra that share  a cornercorner with one Co(4)Dy3P4 tetrahedra, corners with two equivalent Co(6)Dy3P4 tetrahedra, corners with three equivalent Co(5)Dy4P4 tetrahedra,  an edgeedge with one Co(3)Dy2P4 tetrahedra, edges with two equivalent Co(4)Dy3P4 tetrahedra, edges with two equivalent Co(6)Dy3P4 tetrahedra,  a faceface with one Co(6)Dy3P4 tetrahedra, faces with two equivalent Co(3)Dy2P4 tetrahedra, and faces with two equivalent Co(4)Dy3P4 tetrahedra. The Co(4)-P(1) bond length is 2.21 Å. There is one shorter (2.24 Å) and two longer (2.28 Å) Co(4)-P(4) bond lengths. In the fifth Co site, Co(5) is bonded to one Dy(2), three equivalent Dy(1), one P(2), and three equivalent P(3) atoms to form distorted CoDy4P4 tetrahedra that share  a cornercorner with one Co(3)Dy2P4 tetrahedra,  a cornercorner with one Co(6)Dy3P4 tetrahedra, corners with three equivalent Co(4)Dy3P4 tetrahedra, corners with seven equivalent Co(5)Dy4P4 tetrahedra, edges with two equivalent Co(5)Dy4P4 tetrahedra, edges with three equivalent Co(6)Dy3P4 tetrahedra, faces with two equivalent Co(6)Dy3P4 tetrahedra, and faces with three equivalent Co(5)Dy4P4 tetrahedra. The Co(5)-P(2) bond length is 2.37 Å. There are two shorter (2.22 Å) and one longer (2.24 Å) Co(5)-P(3) bond length. In the sixth Co site, Co(6) is bonded to one Dy(1), two equivalent Dy(2), one P(3), one P(4), and two equivalent P(2) atoms to form distorted CoDy3P4 tetrahedra that share  a cornercorner with one Co(5)Dy4P4 tetrahedra, corners with two equivalent Co(4)Dy3P4 tetrahedra, corners with two equivalent Co(6)Dy3P4 tetrahedra, corners with three equivalent Co(3)Dy2P4 tetrahedra, edges with two equivalent Co(4)Dy3P4 tetrahedra, edges with two equivalent Co(6)Dy3P4 tetrahedra, edges with three equivalent Co(5)Dy4P4 tetrahedra,  a faceface with one Co(4)Dy3P4 tetrahedra,  a faceface with one Co(6)Dy3P4 tetrahedra, and faces with two equivalent Co(5)Dy4P4 tetrahedra. The Co(6)-P(3) bond length is 2.29 Å. The Co(6)-P(4) bond length is 2.25 Å. Both Co(6)-P(2) bond lengths are 2.32 Å. There are four inequivalent P sites. In the first P site, P(4) is bonded in a 9-coordinate geometry to two equivalent Dy(2), one Co(3), one Co(6), two equivalent Co(1), and three equivalent Co(4) atoms. In the second P site, P(1) is bonded in a 9-coordinate geometry to four equivalent Dy(2), one Co(2), two equivalent Co(3), and two equivalent Co(4) atoms. In the third P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Dy(1), one Co(1), two equivalent Co(5), and four equivalent Co(6) atoms. In the fourth P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Dy(1), two equivalent Dy(2), one Co(2), one Co(6), and three equivalent Co(5) atoms.