Sr2(PdP)3 crystallizes in the orthorhombic Pmmm space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 14-coordinate geometry to two equivalent Pd(4), two equivalent Pd(7), four equivalent Pd(3), two equivalent P(6), and four equivalent P(2) atoms. In the second Sr site, Sr(2) is bonded in a 14-coordinate geometry to two equivalent Pd(2), two equivalent Pd(3), two equivalent Pd(5), four equivalent P(4), and four equivalent P(6) atoms. In the third Sr site, Sr(3) is bonded in a 14-coordinate geometry to two equivalent Pd(1), two equivalent Pd(2), two equivalent Pd(5), four equivalent P(3), and four equivalent P(5) atoms. In the fourth Sr site, Sr(4) is bonded in a 14-coordinate geometry to two equivalent Pd(6), two equivalent Pd(8), four equivalent Pd(1), two equivalent P(5), and four equivalent P(1) atoms. There are eight inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent Sr(3), four equivalent Sr(4), one P(1), and two equivalent P(5) atoms. In the second Pd site, Pd(2) is bonded in a 8-coordinate geometry to two equivalent Sr(2), two equivalent Sr(3), two equivalent P(3), and two equivalent P(4) atoms. In the third Pd site, Pd(3) is bonded in a 9-coordinate geometry to two equivalent Sr(2), four equivalent Sr(1), one P(2), and two equivalent P(6) atoms. In the fourth Pd site, Pd(4) is bonded to four equivalent Sr(1), four equivalent Pd(7), and four equivalent P(2) atoms to form a mixture of distorted corner and face-sharing PdSr4P4Pd4 cuboctahedra. In the fifth Pd site, Pd(5) is bonded in a 8-coordinate geometry to two equivalent Sr(2), two equivalent Sr(3), two equivalent P(3), and two equivalent P(4) atoms. In the sixth Pd site, Pd(6) is bonded to four equivalent Sr(4) and four equivalent P(1) atoms to form a mixture of distorted edge and face-sharing PdSr4P4 cuboctahedra. In the seventh Pd site, Pd(7) is bonded to four equivalent Sr(1), four equivalent Pd(4), and four equivalent P(2) atoms to form a mixture of distorted corner and face-sharing PdSr4P4Pd4 cuboctahedra. In the eighth Pd site, Pd(8) is bonded to four equivalent Sr(4) and four equivalent P(1) atoms to form a mixture of distorted edge and face-sharing PdSr4P4 cuboctahedra. There are six inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to four equivalent Sr(4), one Pd(1), two equivalent Pd(6), and two equivalent Pd(8) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to four equivalent Sr(1), one Pd(3), two equivalent Pd(4), and two equivalent Pd(7) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to four equivalent Sr(3), two equivalent Pd(2), two equivalent Pd(5), and one P(5) atom. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to four equivalent Sr(2), two equivalent Pd(2), two equivalent Pd(5), and one P(6) atom. In the fifth P site, P(5) is bonded in a 9-coordinate geometry to two equivalent Sr(4), four equivalent Sr(3), two equivalent Pd(1), and one P(3) atom. In the sixth P site, P(6) is bonded in a 9-coordinate geometry to two equivalent Sr(1), four equivalent Sr(2), two equivalent Pd(3), and one P(4) atom.
Sr2(PdP)3 crystallizes in the orthorhombic Pmmm space group. There are four inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 14-coordinate geometry to two equivalent Pd(4), two equivalent Pd(7), four equivalent Pd(3), two equivalent P(6), and four equivalent P(2) atoms. Both Sr(1)-Pd(4) bond lengths are 3.31 Å. Both Sr(1)-Pd(7) bond lengths are 3.29 Å. All Sr(1)-Pd(3) bond lengths are 3.28 Å. Both Sr(1)-P(6) bond lengths are 3.32 Å. All Sr(1)-P(2) bond lengths are 3.22 Å. In the second Sr site, Sr(2) is bonded in a 14-coordinate geometry to two equivalent Pd(2), two equivalent Pd(3), two equivalent Pd(5), four equivalent P(4), and four equivalent P(6) atoms. Both Sr(2)-Pd(2) bond lengths are 3.30 Å. Both Sr(2)-Pd(3) bond lengths are 3.16 Å. Both Sr(2)-Pd(5) bond lengths are 3.28 Å. All Sr(2)-P(4) bond lengths are 3.23 Å. All Sr(2)-P(6) bond lengths are 3.20 Å. In the third Sr site, Sr(3) is bonded in a 14-coordinate geometry to two equivalent Pd(1), two equivalent Pd(2), two equivalent Pd(5), four equivalent P(3), and four equivalent P(5) atoms. Both Sr(3)-Pd(1) bond lengths are 3.16 Å. Both Sr(3)-Pd(2) bond lengths are 3.26 Å. Both Sr(3)-Pd(5) bond lengths are 3.28 Å. All Sr(3)-P(3) bond lengths are 3.22 Å. All Sr(3)-P(5) bond lengths are 3.21 Å. In the fourth Sr site, Sr(4) is bonded in a 14-coordinate geometry to two equivalent Pd(6), two equivalent Pd(8), four equivalent Pd(1), two equivalent P(5), and four equivalent P(1) atoms. Both Sr(4)-Pd(6) bond lengths are 3.28 Å. Both Sr(4)-Pd(8) bond lengths are 3.26 Å. All Sr(4)-Pd(1) bond lengths are 3.27 Å. Both Sr(4)-P(5) bond lengths are 3.29 Å. All Sr(4)-P(1) bond lengths are 3.21 Å. There are eight inequivalent Pd sites. In the first Pd site, Pd(1) is bonded in a 9-coordinate geometry to two equivalent Sr(3), four equivalent Sr(4), one P(1), and two equivalent P(5) atoms. The Pd(1)-P(1) bond length is 2.40 Å. Both Pd(1)-P(5) bond lengths are 2.43 Å. In the second Pd site, Pd(2) is bonded in a 8-coordinate geometry to two equivalent Sr(2), two equivalent Sr(3), two equivalent P(3), and two equivalent P(4) atoms. Both Pd(2)-P(3) bond lengths are 2.48 Å. Both Pd(2)-P(4) bond lengths are 2.53 Å. In the third Pd site, Pd(3) is bonded in a 9-coordinate geometry to two equivalent Sr(2), four equivalent Sr(1), one P(2), and two equivalent P(6) atoms. The Pd(3)-P(2) bond length is 2.44 Å. Both Pd(3)-P(6) bond lengths are 2.45 Å. In the fourth Pd site, Pd(4) is bonded to four equivalent Sr(1), four equivalent Pd(7), and four equivalent P(2) atoms to form a mixture of distorted corner and face-sharing PdSr4P4Pd4 cuboctahedra. All Pd(4)-Pd(7) bond lengths are 3.01 Å. All Pd(4)-P(2) bond lengths are 2.53 Å. In the fifth Pd site, Pd(5) is bonded in a 8-coordinate geometry to two equivalent Sr(2), two equivalent Sr(3), two equivalent P(3), and two equivalent P(4) atoms. Both Pd(5)-P(3) bond lengths are 2.53 Å. Both Pd(5)-P(4) bond lengths are 2.48 Å. In the sixth Pd site, Pd(6) is bonded to four equivalent Sr(4) and four equivalent P(1) atoms to form a mixture of distorted edge and face-sharing PdSr4P4 cuboctahedra. All Pd(6)-P(1) bond lengths are 2.52 Å. In the seventh Pd site, Pd(7) is bonded to four equivalent Sr(1), four equivalent Pd(4), and four equivalent P(2) atoms to form a mixture of distorted corner and face-sharing PdSr4P4Pd4 cuboctahedra. All Pd(7)-P(2) bond lengths are 2.55 Å. In the eighth Pd site, Pd(8) is bonded to four equivalent Sr(4) and four equivalent P(1) atoms to form a mixture of distorted edge and face-sharing PdSr4P4 cuboctahedra. All Pd(8)-P(1) bond lengths are 2.54 Å. There are six inequivalent P sites. In the first P site, P(1) is bonded in a 9-coordinate geometry to four equivalent Sr(4), one Pd(1), two equivalent Pd(6), and two equivalent Pd(8) atoms. In the second P site, P(2) is bonded in a 9-coordinate geometry to four equivalent Sr(1), one Pd(3), two equivalent Pd(4), and two equivalent Pd(7) atoms. In the third P site, P(3) is bonded in a 9-coordinate geometry to four equivalent Sr(3), two equivalent Pd(2), two equivalent Pd(5), and one P(5) atom. The P(3)-P(5) bond length is 2.27 Å. In the fourth P site, P(4) is bonded in a 9-coordinate geometry to four equivalent Sr(2), two equivalent Pd(2), two equivalent Pd(5), and one P(6) atom. The P(4)-P(6) bond length is 2.28 Å. In the fifth P site, P(5) is bonded in a 9-coordinate geometry to two equivalent Sr(4), four equivalent Sr(3), two equivalent Pd(1), and one P(3) atom. In the sixth P site, P(6) is bonded in a 9-coordinate geometry to two equivalent Sr(1), four equivalent Sr(2), two equivalent Pd(3), and one P(4) atom.