Hf5CoP3 crystallizes in the orthorhombic Pnma space group. There are five inequivalent Hf sites. In the first Hf site, Hf(1) is bonded in a 6-coordinate geometry to one Co(1), two equivalent P(1), and three equivalent P(2) atoms. In the second Hf site, Hf(2) is bonded in a 7-coordinate geometry to three equivalent Co(1), one P(3), and three equivalent P(1) atoms. In the third Hf site, Hf(3) is bonded in a 4-coordinate geometry to one Co(1), one P(2), and three equivalent P(3) atoms. In the fourth Hf site, Hf(4) is bonded to one P(1), two equivalent P(2), and two equivalent P(3) atoms to form distorted edge-sharing HfP5 trigonal bipyramids. In the fifth Hf site, Hf(5) is bonded in a 6-coordinate geometry to two equivalent Co(1), one P(1), one P(2), and two equivalent P(3) atoms. Co(1) is bonded in a 9-coordinate geometry to one Hf(1), one Hf(3), two equivalent Hf(5), three equivalent Hf(2), and two equivalent P(1) atoms. There are three inequivalent P sites. In the first P site, P(3) is bonded in a 8-coordinate geometry to one Hf(2), two equivalent Hf(4), two equivalent Hf(5), and three equivalent Hf(3) atoms. In the second P site, P(1) is bonded in a 9-coordinate geometry to one Hf(4), one Hf(5), two equivalent Hf(1), three equivalent Hf(2), and two equivalent Co(1) atoms. In the third P site, P(2) is bonded to one Hf(3), one Hf(5), two equivalent Hf(4), and three equivalent Hf(1) atoms to form distorted edge-sharing PHf7 pentagonal bipyramids.
Hf5CoP3 crystallizes in the orthorhombic Pnma space group. There are five inequivalent Hf sites. In the first Hf site, Hf(1) is bonded in a 6-coordinate geometry to one Co(1), two equivalent P(1), and three equivalent P(2) atoms. The Hf(1)-Co(1) bond length is 2.71 Å. Both Hf(1)-P(1) bond lengths are 2.64 Å. There are two shorter (2.66 Å) and one longer (2.70 Å) Hf(1)-P(2) bond length. In the second Hf site, Hf(2) is bonded in a 7-coordinate geometry to three equivalent Co(1), one P(3), and three equivalent P(1) atoms. There are two shorter (2.68 Å) and one longer (2.88 Å) Hf(2)-Co(1) bond length. The Hf(2)-P(3) bond length is 2.71 Å. There are two shorter (2.64 Å) and one longer (2.76 Å) Hf(2)-P(1) bond length. In the third Hf site, Hf(3) is bonded in a 4-coordinate geometry to one Co(1), one P(2), and three equivalent P(3) atoms. The Hf(3)-Co(1) bond length is 2.65 Å. The Hf(3)-P(2) bond length is 2.66 Å. There are two shorter (2.69 Å) and one longer (3.23 Å) Hf(3)-P(3) bond length. In the fourth Hf site, Hf(4) is bonded to one P(1), two equivalent P(2), and two equivalent P(3) atoms to form distorted edge-sharing HfP5 trigonal bipyramids. The Hf(4)-P(1) bond length is 2.71 Å. Both Hf(4)-P(2) bond lengths are 2.65 Å. Both Hf(4)-P(3) bond lengths are 2.66 Å. In the fifth Hf site, Hf(5) is bonded in a 6-coordinate geometry to two equivalent Co(1), one P(1), one P(2), and two equivalent P(3) atoms. Both Hf(5)-Co(1) bond lengths are 2.51 Å. The Hf(5)-P(1) bond length is 2.75 Å. The Hf(5)-P(2) bond length is 2.66 Å. Both Hf(5)-P(3) bond lengths are 2.73 Å. Co(1) is bonded in a 9-coordinate geometry to one Hf(1), one Hf(3), two equivalent Hf(5), three equivalent Hf(2), and two equivalent P(1) atoms. Both Co(1)-P(1) bond lengths are 2.29 Å. There are three inequivalent P sites. In the first P site, P(3) is bonded in a 8-coordinate geometry to one Hf(2), two equivalent Hf(4), two equivalent Hf(5), and three equivalent Hf(3) atoms. In the second P site, P(1) is bonded in a 9-coordinate geometry to one Hf(4), one Hf(5), two equivalent Hf(1), three equivalent Hf(2), and two equivalent Co(1) atoms. In the third P site, P(2) is bonded to one Hf(3), one Hf(5), two equivalent Hf(4), and three equivalent Hf(1) atoms to form distorted edge-sharing PHf7 pentagonal bipyramids.