Sm4Pd10In21 crystallizes in the monoclinic C2 space group. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 14-coordinate geometry to two equivalent Pd(2), two equivalent Pd(3), one In(3), one In(4), one In(6), two equivalent In(2), two equivalent In(9), and three equivalent In(5) atoms. In the second Sm site, Sm(2) is bonded in a 15-coordinate geometry to two equivalent Pd(1), two equivalent Pd(4), one In(11), one In(3), one In(7), one In(9), two equivalent In(1), two equivalent In(6), and three equivalent In(10) atoms. There are five inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent Sm(2), one In(1), one In(4), one In(6), two equivalent In(3), and two equivalent In(7) atoms. In the second Pd site, Pd(2) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one In(2), one In(4), two equivalent In(3), and three equivalent In(5) atoms. In the third Pd site, Pd(3) is bonded in a 10-coordinate geometry to two equivalent Sm(1), one In(5), one In(9), two equivalent In(4), two equivalent In(6), and two equivalent In(7) atoms. In the fourth Pd site, Pd(4) is bonded in a 7-coordinate geometry to two equivalent Sm(2), one In(11), one In(6), two equivalent In(9), and three equivalent In(10) atoms. In the fifth Pd site, Pd(5) is bonded in a 9-coordinate geometry to one In(3), two equivalent In(1), two equivalent In(11), two equivalent In(2), and two equivalent In(8) atoms. There are eleven inequivalent In sites. In the first In site, In(1) is bonded in a 5-coordinate geometry to two equivalent Sm(2), one Pd(1), and two equivalent Pd(5) atoms. In the second In site, In(2) is bonded in a 5-coordinate geometry to two equivalent Sm(1), one Pd(2), and two equivalent Pd(5) atoms. In the third In site, In(3) is bonded in a 5-coordinate geometry to one Sm(1), one Sm(2), one Pd(5), two equivalent Pd(1), two equivalent Pd(2), and one In(5) atom. In the fourth In site, In(4) is bonded in a 4-coordinate geometry to one Sm(1), one Pd(1), one Pd(2), two equivalent Pd(3), and two equivalent In(5) atoms. In the fifth In site, In(5) is bonded in a 12-coordinate geometry to three equivalent Sm(1), one Pd(3), three equivalent Pd(2), one In(3), two equivalent In(4), and two equivalent In(5) atoms. In the sixth In site, In(6) is bonded in a 4-coordinate geometry to one Sm(1), two equivalent Sm(2), one Pd(1), one Pd(4), and two equivalent Pd(3) atoms. In the seventh In site, In(7) is bonded in a 3-coordinate geometry to one Sm(2), two equivalent Pd(1), and two equivalent Pd(3) atoms. In the eighth In site, In(8) is bonded in a 4-coordinate geometry to four equivalent Pd(5) atoms. In the ninth In site, In(9) is bonded in a 5-coordinate geometry to one Sm(2), two equivalent Sm(1), one Pd(3), and two equivalent Pd(4) atoms. In the tenth In site, In(10) is bonded in a 3-coordinate geometry to three equivalent Sm(2) and three equivalent Pd(4) atoms. In the eleventh In site, In(11) is bonded in a 3-coordinate geometry to one Sm(2), one Pd(4), and two equivalent Pd(5) atoms.
Sm4Pd10In21 crystallizes in the monoclinic C2 space group. There are two inequivalent Sm sites. In the first Sm site, Sm(1) is bonded in a 14-coordinate geometry to two equivalent Pd(2), two equivalent Pd(3), one In(3), one In(4), one In(6), two equivalent In(2), two equivalent In(9), and three equivalent In(5) atoms. There is one shorter (3.37 Å) and one longer (3.38 Å) Sm(1)-Pd(2) bond length. There is one shorter (3.48 Å) and one longer (3.49 Å) Sm(1)-Pd(3) bond length. The Sm(1)-In(3) bond length is 3.61 Å. The Sm(1)-In(4) bond length is 3.42 Å. The Sm(1)-In(6) bond length is 3.57 Å. There is one shorter (3.19 Å) and one longer (3.20 Å) Sm(1)-In(2) bond length. There is one shorter (3.26 Å) and one longer (3.29 Å) Sm(1)-In(9) bond length. There are a spread of Sm(1)-In(5) bond distances ranging from 3.31-3.53 Å. In the second Sm site, Sm(2) is bonded in a 15-coordinate geometry to two equivalent Pd(1), two equivalent Pd(4), one In(11), one In(3), one In(7), one In(9), two equivalent In(1), two equivalent In(6), and three equivalent In(10) atoms. There is one shorter (3.28 Å) and one longer (3.34 Å) Sm(2)-Pd(1) bond length. Both Sm(2)-Pd(4) bond lengths are 3.47 Å. The Sm(2)-In(11) bond length is 3.87 Å. The Sm(2)-In(3) bond length is 3.55 Å. The Sm(2)-In(7) bond length is 3.43 Å. The Sm(2)-In(9) bond length is 3.50 Å. There is one shorter (3.18 Å) and one longer (3.20 Å) Sm(2)-In(1) bond length. There is one shorter (3.34 Å) and one longer (3.36 Å) Sm(2)-In(6) bond length. There are a spread of Sm(2)-In(10) bond distances ranging from 3.31-3.45 Å. There are five inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent Sm(2), one In(1), one In(4), one In(6), two equivalent In(3), and two equivalent In(7) atoms. The Pd(1)-In(1) bond length is 2.73 Å. The Pd(1)-In(4) bond length is 2.74 Å. The Pd(1)-In(6) bond length is 2.78 Å. There is one shorter (2.87 Å) and one longer (2.89 Å) Pd(1)-In(3) bond length. There is one shorter (2.82 Å) and one longer (2.87 Å) Pd(1)-In(7) bond length. In the second Pd site, Pd(2) is bonded in a 9-coordinate geometry to two equivalent Sm(1), one In(2), one In(4), two equivalent In(3), and three equivalent In(5) atoms. The Pd(2)-In(2) bond length is 2.76 Å. The Pd(2)-In(4) bond length is 2.82 Å. There is one shorter (2.82 Å) and one longer (2.92 Å) Pd(2)-In(3) bond length. There are a spread of Pd(2)-In(5) bond distances ranging from 2.80-2.88 Å. In the third Pd site, Pd(3) is bonded in a 10-coordinate geometry to two equivalent Sm(1), one In(5), one In(9), two equivalent In(4), two equivalent In(6), and two equivalent In(7) atoms. The Pd(3)-In(5) bond length is 2.88 Å. The Pd(3)-In(9) bond length is 2.82 Å. There is one shorter (2.77 Å) and one longer (2.78 Å) Pd(3)-In(4) bond length. There is one shorter (2.85 Å) and one longer (2.86 Å) Pd(3)-In(6) bond length. There is one shorter (2.80 Å) and one longer (3.27 Å) Pd(3)-In(7) bond length. In the fourth Pd site, Pd(4) is bonded in a 7-coordinate geometry to two equivalent Sm(2), one In(11), one In(6), two equivalent In(9), and three equivalent In(10) atoms. The Pd(4)-In(11) bond length is 2.69 Å. The Pd(4)-In(6) bond length is 2.84 Å. There is one shorter (2.78 Å) and one longer (2.79 Å) Pd(4)-In(9) bond length. There are a spread of Pd(4)-In(10) bond distances ranging from 2.76-2.85 Å. In the fifth Pd site, Pd(5) is bonded in a 9-coordinate geometry to one In(3), two equivalent In(1), two equivalent In(11), two equivalent In(2), and two equivalent In(8) atoms. The Pd(5)-In(3) bond length is 2.84 Å. There is one shorter (2.87 Å) and one longer (2.89 Å) Pd(5)-In(1) bond length. There is one shorter (2.82 Å) and one longer (2.84 Å) Pd(5)-In(11) bond length. There is one shorter (2.87 Å) and one longer (2.91 Å) Pd(5)-In(2) bond length. There is one shorter (2.81 Å) and one longer (2.83 Å) Pd(5)-In(8) bond length. There are eleven inequivalent In sites. In the first In site, In(1) is bonded in a 5-coordinate geometry to two equivalent Sm(2), one Pd(1), and two equivalent Pd(5) atoms. In the second In site, In(2) is bonded in a 5-coordinate geometry to two equivalent Sm(1), one Pd(2), and two equivalent Pd(5) atoms. In the third In site, In(3) is bonded in a 5-coordinate geometry to one Sm(1), one Sm(2), one Pd(5), two equivalent Pd(1), two equivalent Pd(2), and one In(5) atom. The In(3)-In(5) bond length is 3.19 Å. In the fourth In site, In(4) is bonded in a 4-coordinate geometry to one Sm(1), one Pd(1), one Pd(2), two equivalent Pd(3), and two equivalent In(5) atoms. There is one shorter (3.18 Å) and one longer (3.23 Å) In(4)-In(5) bond length. In the fifth In site, In(5) is bonded in a 12-coordinate geometry to three equivalent Sm(1), one Pd(3), three equivalent Pd(2), one In(3), two equivalent In(4), and two equivalent In(5) atoms. Both In(5)-In(5) bond lengths are 3.30 Å. In the sixth In site, In(6) is bonded in a 4-coordinate geometry to one Sm(1), two equivalent Sm(2), one Pd(1), one Pd(4), and two equivalent Pd(3) atoms. In the seventh In site, In(7) is bonded in a 3-coordinate geometry to one Sm(2), two equivalent Pd(1), and two equivalent Pd(3) atoms. In the eighth In site, In(8) is bonded in a 4-coordinate geometry to four equivalent Pd(5) atoms. In the ninth In site, In(9) is bonded in a 5-coordinate geometry to one Sm(2), two equivalent Sm(1), one Pd(3), and two equivalent Pd(4) atoms. In the tenth In site, In(10) is bonded in a 3-coordinate geometry to three equivalent Sm(2) and three equivalent Pd(4) atoms. In the eleventh In site, In(11) is bonded in a 3-coordinate geometry to one Sm(2), one Pd(4), and two equivalent Pd(5) atoms.