Sm5Ru19P12 crystallizes in the hexagonal P-62m space group. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 16-coordinate geometry to two equivalent Ru(2), two equivalent Ru(4), two equivalent Ru(5), four equivalent Ru(3), two equivalent P(3), and four equivalent P(1) atoms. In the second Sm site, Sm(2) is bonded in a 15-coordinate geometry to three equivalent Ru(3), six equivalent Ru(4), and six equivalent P(2) atoms. There are five inequivalent Ru sites. In the first Ru site, Ru(5) is bonded in a 9-coordinate geometry to six equivalent Sm(1) and three equivalent P(1) atoms. In the second Ru site, Ru(1) is bonded in a distorted single-bond geometry to two equivalent Ru(3), four equivalent Ru(4), one P(3), and four equivalent P(2) atoms. In the third Ru site, Ru(2) is bonded in a 6-coordinate geometry to two equivalent Sm(1), four equivalent Ru(3), two equivalent P(1), and two equivalent P(2) atoms. In the fourth Ru site, Ru(3) is bonded in a 12-coordinate geometry to one Sm(2), two equivalent Sm(1), one Ru(1), two equivalent Ru(2), two equivalent Ru(4), one P(1), one P(3), and two equivalent P(2) atoms. In the fifth Ru site, Ru(4) is bonded in a 12-coordinate geometry to one Sm(1), two equivalent Sm(2), one Ru(4), two equivalent Ru(1), two equivalent Ru(3), two equivalent P(2), and two equivalent P(3) atoms. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to four equivalent Sm(1), one Ru(5), two equivalent Ru(2), and two equivalent Ru(3) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Sm(2), one Ru(2), two equivalent Ru(1), two equivalent Ru(3), and two equivalent Ru(4) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one Ru(1), two equivalent Ru(3), and four equivalent Ru(4) atoms.
Sm5Ru19P12 crystallizes in the hexagonal P-62m space group. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 16-coordinate geometry to two equivalent Ru(2), two equivalent Ru(4), two equivalent Ru(5), four equivalent Ru(3), two equivalent P(3), and four equivalent P(1) atoms. Both Sm(1)-Ru(2) bond lengths are 3.14 Å. Both Sm(1)-Ru(4) bond lengths are 3.37 Å. Both Sm(1)-Ru(5) bond lengths are 3.07 Å. All Sm(1)-Ru(3) bond lengths are 3.15 Å. Both Sm(1)-P(3) bond lengths are 3.12 Å. All Sm(1)-P(1) bond lengths are 3.08 Å. In the second Sm site, Sm(2) is bonded in a 15-coordinate geometry to three equivalent Ru(3), six equivalent Ru(4), and six equivalent P(2) atoms. All Sm(2)-Ru(3) bond lengths are 3.15 Å. All Sm(2)-Ru(4) bond lengths are 3.16 Å. All Sm(2)-P(2) bond lengths are 3.01 Å. There are five inequivalent Ru sites. In the first Ru site, Ru(5) is bonded in a 9-coordinate geometry to six equivalent Sm(1) and three equivalent P(1) atoms. All Ru(5)-P(1) bond lengths are 2.35 Å. In the second Ru site, Ru(1) is bonded in a distorted single-bond geometry to two equivalent Ru(3), four equivalent Ru(4), one P(3), and four equivalent P(2) atoms. Both Ru(1)-Ru(3) bond lengths are 2.85 Å. All Ru(1)-Ru(4) bond lengths are 2.90 Å. The Ru(1)-P(3) bond length is 2.27 Å. All Ru(1)-P(2) bond lengths are 2.82 Å. In the third Ru site, Ru(2) is bonded in a 6-coordinate geometry to two equivalent Sm(1), four equivalent Ru(3), two equivalent P(1), and two equivalent P(2) atoms. All Ru(2)-Ru(3) bond lengths are 2.84 Å. Both Ru(2)-P(1) bond lengths are 2.35 Å. Both Ru(2)-P(2) bond lengths are 2.30 Å. In the fourth Ru site, Ru(3) is bonded in a 12-coordinate geometry to one Sm(2), two equivalent Sm(1), one Ru(1), two equivalent Ru(2), two equivalent Ru(4), one P(1), one P(3), and two equivalent P(2) atoms. Both Ru(3)-Ru(4) bond lengths are 2.83 Å. The Ru(3)-P(1) bond length is 2.37 Å. The Ru(3)-P(3) bond length is 2.41 Å. Both Ru(3)-P(2) bond lengths are 2.41 Å. In the fifth Ru site, Ru(4) is bonded in a 12-coordinate geometry to one Sm(1), two equivalent Sm(2), one Ru(4), two equivalent Ru(1), two equivalent Ru(3), two equivalent P(2), and two equivalent P(3) atoms. The Ru(4)-Ru(4) bond length is 2.73 Å. There is one shorter (2.32 Å) and one longer (2.38 Å) Ru(4)-P(2) bond length. Both Ru(4)-P(3) bond lengths are 2.52 Å. There are three inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to four equivalent Sm(1), one Ru(5), two equivalent Ru(2), and two equivalent Ru(3) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to two equivalent Sm(2), one Ru(2), two equivalent Ru(1), two equivalent Ru(3), and two equivalent Ru(4) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one Ru(1), two equivalent Ru(3), and four equivalent Ru(4) atoms.