Pd4P crystallizes in the monoclinic Pm space group. There are eight inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 1-coordinate geometry to four equivalent Pd(5) and one P(1) atom. In the second Pd site, Pd(2) is bonded in a distorted single-bond geometry to two equivalent Pd(5) and one P(1) atom. In the third Pd site, Pd(3) is bonded in a 2-coordinate geometry to two equivalent Pd(5), one P(2), and one P(3) atom. In the fourth Pd site, Pd(4) is bonded in a 2-coordinate geometry to two equivalent Pd(5), one P(2), and one P(3) atom. In the fifth Pd site, Pd(5) is bonded in a 13-coordinate geometry to one Pd(2), one Pd(3), one Pd(4), one Pd(5), one Pd(7), two equivalent Pd(1), two equivalent Pd(6), two equivalent Pd(8), one P(1), and one P(2) atom. In the sixth Pd site, Pd(6) is bonded in a 1-coordinate geometry to two equivalent Pd(5), one P(1), and one P(3) atom. In the seventh Pd site, Pd(7) is bonded in a 2-coordinate geometry to one Pd(5), one P(2), and one P(3) atom. In the eighth Pd site, Pd(8) is bonded in a 2-coordinate geometry to two equivalent Pd(5), one P(1), one P(2), and one P(3) atom. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 8-coordinate geometry to one Pd(1), one Pd(2), two equivalent Pd(5), two equivalent Pd(6), and two equivalent Pd(8) atoms. In the second P site, P(2) is bonded in a 8-coordinate geometry to one Pd(3), one Pd(4), two equivalent Pd(5), two equivalent Pd(7), and two equivalent Pd(8) atoms. In the third P site, P(3) is bonded in a 8-coordinate geometry to one Pd(3), one Pd(4), two equivalent Pd(6), two equivalent Pd(7), and two equivalent Pd(8) atoms.
Pd4P crystallizes in the monoclinic Pm space group. There are eight inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 1-coordinate geometry to four equivalent Pd(5) and one P(1) atom. There are two shorter (2.97 Å) and two longer (3.14 Å) Pd(1)-Pd(5) bond lengths. The Pd(1)-P(1) bond length is 2.28 Å. In the second Pd site, Pd(2) is bonded in a distorted single-bond geometry to two equivalent Pd(5) and one P(1) atom. Both Pd(2)-Pd(5) bond lengths are 2.95 Å. The Pd(2)-P(1) bond length is 2.30 Å. In the third Pd site, Pd(3) is bonded in a 2-coordinate geometry to two equivalent Pd(5), one P(2), and one P(3) atom. Both Pd(3)-Pd(5) bond lengths are 2.83 Å. The Pd(3)-P(2) bond length is 2.27 Å. The Pd(3)-P(3) bond length is 2.28 Å. In the fourth Pd site, Pd(4) is bonded in a 2-coordinate geometry to two equivalent Pd(5), one P(2), and one P(3) atom. Both Pd(4)-Pd(5) bond lengths are 2.99 Å. The Pd(4)-P(2) bond length is 2.31 Å. The Pd(4)-P(3) bond length is 2.27 Å. In the fifth Pd site, Pd(5) is bonded in a 13-coordinate geometry to one Pd(2), one Pd(3), one Pd(4), one Pd(5), one Pd(7), two equivalent Pd(1), two equivalent Pd(6), two equivalent Pd(8), one P(1), and one P(2) atom. The Pd(5)-Pd(5) bond length is 2.78 Å. The Pd(5)-Pd(7) bond length is 2.84 Å. There is one shorter (2.92 Å) and one longer (3.03 Å) Pd(5)-Pd(6) bond length. There is one shorter (2.87 Å) and one longer (2.90 Å) Pd(5)-Pd(8) bond length. The Pd(5)-P(1) bond length is 2.35 Å. The Pd(5)-P(2) bond length is 2.66 Å. In the sixth Pd site, Pd(6) is bonded in a 1-coordinate geometry to two equivalent Pd(5), one P(1), and one P(3) atom. The Pd(6)-P(1) bond length is 2.32 Å. The Pd(6)-P(3) bond length is 2.65 Å. In the seventh Pd site, Pd(7) is bonded in a 2-coordinate geometry to one Pd(5), one P(2), and one P(3) atom. The Pd(7)-P(2) bond length is 2.30 Å. The Pd(7)-P(3) bond length is 2.38 Å. In the eighth Pd site, Pd(8) is bonded in a 2-coordinate geometry to two equivalent Pd(5), one P(1), one P(2), and one P(3) atom. The Pd(8)-P(1) bond length is 2.62 Å. The Pd(8)-P(2) bond length is 2.39 Å. The Pd(8)-P(3) bond length is 2.31 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 8-coordinate geometry to one Pd(1), one Pd(2), two equivalent Pd(5), two equivalent Pd(6), and two equivalent Pd(8) atoms. In the second P site, P(2) is bonded in a 8-coordinate geometry to one Pd(3), one Pd(4), two equivalent Pd(5), two equivalent Pd(7), and two equivalent Pd(8) atoms. In the third P site, P(3) is bonded in a 8-coordinate geometry to one Pd(3), one Pd(4), two equivalent Pd(6), two equivalent Pd(7), and two equivalent Pd(8) atoms.