Th(NiP)2 is alpha Pu-derived structured and crystallizes in the orthorhombic Pnma space group. Th(1) is bonded in a 17-coordinate geometry to four equivalent Ni(1), five equivalent Ni(2), four equivalent P(1), and four equivalent P(2) atoms. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to four equivalent Th(1), one P(1), and three equivalent P(2) atoms to form a mixture of distorted face, corner, and edge-sharing NiTh4P4 tetrahedra. In the second Ni site, Ni(2) is bonded in a 4-coordinate geometry to five equivalent Th(1), one P(2), and three equivalent P(1) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded in a 7-coordinate geometry to four equivalent Th(1), one Ni(1), and three equivalent Ni(2) atoms. In the second P site, P(2) is bonded in a 8-coordinate geometry to four equivalent Th(1), one Ni(2), and three equivalent Ni(1) atoms.
Th(NiP)2 is alpha Pu-derived structured and crystallizes in the orthorhombic Pnma space group. Th(1) is bonded in a 17-coordinate geometry to four equivalent Ni(1), five equivalent Ni(2), four equivalent P(1), and four equivalent P(2) atoms. There are a spread of Th(1)-Ni(1) bond distances ranging from 3.04-3.25 Å. There are a spread of Th(1)-Ni(2) bond distances ranging from 3.09-3.34 Å. There are a spread of Th(1)-P(1) bond distances ranging from 2.90-3.40 Å. There are two shorter (3.08 Å) and two longer (3.11 Å) Th(1)-P(2) bond lengths. There are two inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to four equivalent Th(1), one P(1), and three equivalent P(2) atoms to form a mixture of distorted face, corner, and edge-sharing NiTh4P4 tetrahedra. The Ni(1)-P(1) bond length is 2.26 Å. There is one shorter (2.24 Å) and two longer (2.29 Å) Ni(1)-P(2) bond lengths. In the second Ni site, Ni(2) is bonded in a 4-coordinate geometry to five equivalent Th(1), one P(2), and three equivalent P(1) atoms. The Ni(2)-P(2) bond length is 2.20 Å. There are two shorter (2.24 Å) and one longer (2.30 Å) Ni(2)-P(1) bond length. There are two inequivalent P sites. In the first P site, P(1) is bonded in a 7-coordinate geometry to four equivalent Th(1), one Ni(1), and three equivalent Ni(2) atoms. In the second P site, P(2) is bonded in a 8-coordinate geometry to four equivalent Th(1), one Ni(2), and three equivalent Ni(1) atoms.