MnPd3Si2 crystallizes in the monoclinic Pm space group. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 11-coordinate geometry to two equivalent Pd(5), two equivalent Pd(6), two equivalent Pd(9), one Si(6), two equivalent Si(1), and two equivalent Si(4) atoms. In the second Mn site, Mn(2) is bonded in a 11-coordinate geometry to two equivalent Pd(4), two equivalent Pd(7), two equivalent Pd(8), one Si(5), two equivalent Si(2), and two equivalent Si(3) atoms. In the third Mn site, Mn(3) is bonded in a 11-coordinate geometry to two equivalent Pd(4), two equivalent Pd(6), two equivalent Pd(8), one Si(5), two equivalent Si(1), and two equivalent Si(3) atoms. There are nine inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 5-coordinate geometry to one Si(6), two equivalent Si(2), and two equivalent Si(4) atoms. In the second Pd site, Pd(2) is bonded in a 5-coordinate geometry to one Si(6), two equivalent Si(1), and two equivalent Si(3) atoms. In the third Pd site, Pd(3) is bonded in a 5-coordinate geometry to one Si(5), two equivalent Si(2), and two equivalent Si(4) atoms. In the fourth Pd site, Pd(4) is bonded in a 8-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), one Si(2), one Si(3), and two equivalent Si(5) atoms. In the fifth Pd site, Pd(5) is bonded in a 6-coordinate geometry to two equivalent Mn(1), one Si(1), one Si(4), and two equivalent Si(6) atoms. In the sixth Pd site, Pd(6) is bonded in a 8-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), one Si(1), one Si(3), and two equivalent Si(6) atoms. In the seventh Pd site, Pd(7) is bonded in a 6-coordinate geometry to two equivalent Mn(2), one Si(2), one Si(4), and two equivalent Si(5) atoms. In the eighth Pd site, Pd(8) is bonded in a 4-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), one Si(1), one Si(3), and two equivalent Si(5) atoms. In the ninth Pd site, Pd(9) is bonded in a 6-coordinate geometry to two equivalent Mn(1), one Si(2), one Si(4), and two equivalent Si(6) atoms. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), one Pd(5), one Pd(6), one Pd(8), and two equivalent Pd(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to two equivalent Mn(2), one Pd(4), one Pd(7), one Pd(9), two equivalent Pd(1), and two equivalent Pd(3) atoms. In the third Si site, Si(3) is bonded in a 9-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), one Pd(4), one Pd(6), one Pd(8), and two equivalent Pd(2) atoms. In the fourth Si site, Si(4) is bonded in a 9-coordinate geometry to two equivalent Mn(1), one Pd(5), one Pd(7), one Pd(9), two equivalent Pd(1), and two equivalent Pd(3) atoms. In the fifth Si site, Si(5) is bonded in a 9-coordinate geometry to one Mn(2), one Mn(3), one Pd(3), two equivalent Pd(4), two equivalent Pd(7), and two equivalent Pd(8) atoms. In the sixth Si site, Si(6) is bonded in a 9-coordinate geometry to one Mn(1), one Pd(1), one Pd(2), two equivalent Pd(5), two equivalent Pd(6), and two equivalent Pd(9) atoms.
MnPd3Si2 crystallizes in the monoclinic Pm space group. There are three inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 11-coordinate geometry to two equivalent Pd(5), two equivalent Pd(6), two equivalent Pd(9), one Si(6), two equivalent Si(1), and two equivalent Si(4) atoms. Both Mn(1)-Pd(5) bond lengths are 2.74 Å. Both Mn(1)-Pd(6) bond lengths are 2.80 Å. Both Mn(1)-Pd(9) bond lengths are 2.87 Å. The Mn(1)-Si(6) bond length is 2.67 Å. Both Mn(1)-Si(1) bond lengths are 2.64 Å. Both Mn(1)-Si(4) bond lengths are 2.78 Å. In the second Mn site, Mn(2) is bonded in a 11-coordinate geometry to two equivalent Pd(4), two equivalent Pd(7), two equivalent Pd(8), one Si(5), two equivalent Si(2), and two equivalent Si(3) atoms. Both Mn(2)-Pd(4) bond lengths are 2.76 Å. Both Mn(2)-Pd(7) bond lengths are 2.87 Å. Both Mn(2)-Pd(8) bond lengths are 2.87 Å. The Mn(2)-Si(5) bond length is 2.67 Å. Both Mn(2)-Si(2) bond lengths are 2.74 Å. Both Mn(2)-Si(3) bond lengths are 2.62 Å. In the third Mn site, Mn(3) is bonded in a 11-coordinate geometry to two equivalent Pd(4), two equivalent Pd(6), two equivalent Pd(8), one Si(5), two equivalent Si(1), and two equivalent Si(3) atoms. Both Mn(3)-Pd(4) bond lengths are 2.88 Å. Both Mn(3)-Pd(6) bond lengths are 2.81 Å. Both Mn(3)-Pd(8) bond lengths are 2.92 Å. The Mn(3)-Si(5) bond length is 2.63 Å. Both Mn(3)-Si(1) bond lengths are 2.64 Å. Both Mn(3)-Si(3) bond lengths are 2.64 Å. There are nine inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 5-coordinate geometry to one Si(6), two equivalent Si(2), and two equivalent Si(4) atoms. The Pd(1)-Si(6) bond length is 2.56 Å. Both Pd(1)-Si(2) bond lengths are 2.63 Å. Both Pd(1)-Si(4) bond lengths are 2.66 Å. In the second Pd site, Pd(2) is bonded in a 5-coordinate geometry to one Si(6), two equivalent Si(1), and two equivalent Si(3) atoms. The Pd(2)-Si(6) bond length is 2.54 Å. Both Pd(2)-Si(1) bond lengths are 2.66 Å. Both Pd(2)-Si(3) bond lengths are 2.63 Å. In the third Pd site, Pd(3) is bonded in a 5-coordinate geometry to one Si(5), two equivalent Si(2), and two equivalent Si(4) atoms. The Pd(3)-Si(5) bond length is 2.55 Å. Both Pd(3)-Si(2) bond lengths are 2.63 Å. Both Pd(3)-Si(4) bond lengths are 2.64 Å. In the fourth Pd site, Pd(4) is bonded in a 8-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), one Si(2), one Si(3), and two equivalent Si(5) atoms. The Pd(4)-Si(2) bond length is 2.44 Å. The Pd(4)-Si(3) bond length is 2.44 Å. Both Pd(4)-Si(5) bond lengths are 2.46 Å. In the fifth Pd site, Pd(5) is bonded in a 6-coordinate geometry to two equivalent Mn(1), one Si(1), one Si(4), and two equivalent Si(6) atoms. The Pd(5)-Si(1) bond length is 2.43 Å. The Pd(5)-Si(4) bond length is 2.41 Å. Both Pd(5)-Si(6) bond lengths are 2.48 Å. In the sixth Pd site, Pd(6) is bonded in a 8-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), one Si(1), one Si(3), and two equivalent Si(6) atoms. The Pd(6)-Si(1) bond length is 2.43 Å. The Pd(6)-Si(3) bond length is 2.45 Å. Both Pd(6)-Si(6) bond lengths are 2.47 Å. In the seventh Pd site, Pd(7) is bonded in a 6-coordinate geometry to two equivalent Mn(2), one Si(2), one Si(4), and two equivalent Si(5) atoms. The Pd(7)-Si(2) bond length is 2.43 Å. The Pd(7)-Si(4) bond length is 2.42 Å. Both Pd(7)-Si(5) bond lengths are 2.47 Å. In the eighth Pd site, Pd(8) is bonded in a 4-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), one Si(1), one Si(3), and two equivalent Si(5) atoms. The Pd(8)-Si(1) bond length is 2.42 Å. The Pd(8)-Si(3) bond length is 2.46 Å. Both Pd(8)-Si(5) bond lengths are 2.43 Å. In the ninth Pd site, Pd(9) is bonded in a 6-coordinate geometry to two equivalent Mn(1), one Si(2), one Si(4), and two equivalent Si(6) atoms. The Pd(9)-Si(2) bond length is 2.46 Å. The Pd(9)-Si(4) bond length is 2.43 Å. Both Pd(9)-Si(6) bond lengths are 2.46 Å. There are six inequivalent Si sites. In the first Si site, Si(1) is bonded in a 9-coordinate geometry to two equivalent Mn(1), two equivalent Mn(3), one Pd(5), one Pd(6), one Pd(8), and two equivalent Pd(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to two equivalent Mn(2), one Pd(4), one Pd(7), one Pd(9), two equivalent Pd(1), and two equivalent Pd(3) atoms. In the third Si site, Si(3) is bonded in a 9-coordinate geometry to two equivalent Mn(2), two equivalent Mn(3), one Pd(4), one Pd(6), one Pd(8), and two equivalent Pd(2) atoms. In the fourth Si site, Si(4) is bonded in a 9-coordinate geometry to two equivalent Mn(1), one Pd(5), one Pd(7), one Pd(9), two equivalent Pd(1), and two equivalent Pd(3) atoms. In the fifth Si site, Si(5) is bonded in a 9-coordinate geometry to one Mn(2), one Mn(3), one Pd(3), two equivalent Pd(4), two equivalent Pd(7), and two equivalent Pd(8) atoms. In the sixth Si site, Si(6) is bonded in a 9-coordinate geometry to one Mn(1), one Pd(1), one Pd(2), two equivalent Pd(5), two equivalent Pd(6), and two equivalent Pd(9) atoms.