Sr5Cd5P6(O12F)2 crystallizes in the monoclinic Pm space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one O(3), one O(8), two equivalent O(13), two equivalent O(18), and one F(1) atom. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), one O(9), two equivalent O(14), two equivalent O(16), and one F(1) atom. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(2), one O(7), two equivalent O(15), two equivalent O(17), and one F(1) atom. In the fourth Sr site, Sr(4) is bonded in a 7-coordinate geometry to one O(11), one O(6), two equivalent O(15), two equivalent O(16), and one F(2) atom. In the fifth Sr site, Sr(5) is bonded in a 7-coordinate geometry to one O(12), one O(4), two equivalent O(13), two equivalent O(17), and one F(2) atom. There are three inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(5), two equivalent O(14), two equivalent O(18), and one F(2) atom to form distorted CdO5F pentagonal pyramids that share  a cornercorner with one P(5)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(6)O4 tetrahedra. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. In the third Cd site, Cd(3) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(3) atom. There are six inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(7), and two equivalent O(13) atoms. In the second P site, P(2) is bonded to one O(2), one O(8), and two equivalent O(14) atoms to form PO4 tetrahedra that share corners with two equivalent Cd(1)O5F pentagonal pyramids. In the third P site, P(3) is bonded in a tetrahedral geometry to one O(3), one O(9), and two equivalent O(15) atoms. In the fourth P site, P(4) is bonded in a tetrahedral geometry to one O(10), one O(4), and two equivalent O(16) atoms. In the fifth P site, P(5) is bonded to one O(11), one O(5), and two equivalent O(17) atoms to form PO4 tetrahedra that share  a cornercorner with one Cd(1)O5F pentagonal pyramid. In the sixth P site, P(6) is bonded to one O(12), one O(6), and two equivalent O(18) atoms to form PO4 tetrahedra that share  an edgeedge with one Cd(1)O5F pentagonal pyramid. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Sr(2), two equivalent Cd(3), and one P(1) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the second O site, O(2) is bonded to one Sr(3), two equivalent Cd(3), and one P(2) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the third O site, O(3) is bonded to one Sr(1), two equivalent Cd(3), and one P(3) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the fourth O site, O(4) is bonded to one Sr(5), two equivalent Cd(2), and one P(4) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Cd(1), two equivalent Cd(2), and one P(5) atom. In the sixth O site, O(6) is bonded to one Sr(4), two equivalent Cd(2), and one P(6) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Sr(3), two equivalent Cd(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Sr(1), two equivalent Cd(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Cd(2), and one P(3) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to two equivalent Cd(3) and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Sr(4), two equivalent Cd(3), and one P(5) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Sr(5), two equivalent Cd(3), and one P(6) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(5), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a 1-coordinate geometry to one Sr(2), one Cd(1), and one P(2) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Sr(3), one Sr(4), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Sr(2), one Sr(4), and one P(4) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Sr(3), one Sr(5), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Sr(1), one Cd(1), and one P(6) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Sr(1), one Sr(2), and one Sr(3) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Sr(4), one Sr(5), and one Cd(1) atom.
Sr5Cd5P6(O12F)2 crystallizes in the monoclinic Pm space group. There are five inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 7-coordinate geometry to one O(3), one O(8), two equivalent O(13), two equivalent O(18), and one F(1) atom. The Sr(1)-O(3) bond length is 2.57 Å. The Sr(1)-O(8) bond length is 2.92 Å. Both Sr(1)-O(13) bond lengths are 2.66 Å. Both Sr(1)-O(18) bond lengths are 2.41 Å. The Sr(1)-F(1) bond length is 2.39 Å. In the second Sr site, Sr(2) is bonded in a 7-coordinate geometry to one O(1), one O(9), two equivalent O(14), two equivalent O(16), and one F(1) atom. The Sr(2)-O(1) bond length is 2.56 Å. The Sr(2)-O(9) bond length is 2.95 Å. Both Sr(2)-O(14) bond lengths are 2.66 Å. Both Sr(2)-O(16) bond lengths are 2.42 Å. The Sr(2)-F(1) bond length is 2.39 Å. In the third Sr site, Sr(3) is bonded in a 7-coordinate geometry to one O(2), one O(7), two equivalent O(15), two equivalent O(17), and one F(1) atom. The Sr(3)-O(2) bond length is 2.56 Å. The Sr(3)-O(7) bond length is 2.95 Å. Both Sr(3)-O(15) bond lengths are 2.67 Å. Both Sr(3)-O(17) bond lengths are 2.41 Å. The Sr(3)-F(1) bond length is 2.38 Å. In the fourth Sr site, Sr(4) is bonded in a 7-coordinate geometry to one O(11), one O(6), two equivalent O(15), two equivalent O(16), and one F(2) atom. The Sr(4)-O(11) bond length is 2.94 Å. The Sr(4)-O(6) bond length is 2.59 Å. Both Sr(4)-O(15) bond lengths are 2.42 Å. Both Sr(4)-O(16) bond lengths are 2.62 Å. The Sr(4)-F(2) bond length is 2.45 Å. In the fifth Sr site, Sr(5) is bonded in a 7-coordinate geometry to one O(12), one O(4), two equivalent O(13), two equivalent O(17), and one F(2) atom. The Sr(5)-O(12) bond length is 2.92 Å. The Sr(5)-O(4) bond length is 2.56 Å. Both Sr(5)-O(13) bond lengths are 2.41 Å. Both Sr(5)-O(17) bond lengths are 2.67 Å. The Sr(5)-F(2) bond length is 2.47 Å. There are three inequivalent Cd sites. In the first Cd site, Cd(1) is bonded to one O(5), two equivalent O(14), two equivalent O(18), and one F(2) atom to form distorted CdO5F pentagonal pyramids that share  a cornercorner with one P(5)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(6)O4 tetrahedra. The Cd(1)-O(5) bond length is 2.31 Å. Both Cd(1)-O(14) bond lengths are 2.40 Å. Both Cd(1)-O(18) bond lengths are 2.51 Å. The Cd(1)-F(2) bond length is 2.27 Å. In the second Cd site, Cd(2) is bonded in a 6-coordinate geometry to one O(4), one O(5), one O(6), one O(7), one O(8), and one O(9) atom. The Cd(2)-O(4) bond length is 2.45 Å. The Cd(2)-O(5) bond length is 2.52 Å. The Cd(2)-O(6) bond length is 2.44 Å. The Cd(2)-O(7) bond length is 2.41 Å. The Cd(2)-O(8) bond length is 2.44 Å. The Cd(2)-O(9) bond length is 2.42 Å. In the third Cd site, Cd(3) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(12), one O(2), and one O(3) atom. The Cd(3)-O(1) bond length is 2.45 Å. The Cd(3)-O(10) bond length is 2.40 Å. The Cd(3)-O(11) bond length is 2.42 Å. The Cd(3)-O(12) bond length is 2.45 Å. The Cd(3)-O(2) bond length is 2.46 Å. The Cd(3)-O(3) bond length is 2.46 Å. There are six inequivalent P sites. In the first P site, P(1) is bonded in a tetrahedral geometry to one O(1), one O(7), and two equivalent O(13) atoms. The P(1)-O(1) bond length is 1.57 Å. The P(1)-O(7) bond length is 1.57 Å. Both P(1)-O(13) bond lengths are 1.54 Å. In the second P site, P(2) is bonded to one O(2), one O(8), and two equivalent O(14) atoms to form PO4 tetrahedra that share corners with two equivalent Cd(1)O5F pentagonal pyramids. The P(2)-O(2) bond length is 1.57 Å. The P(2)-O(8) bond length is 1.57 Å. Both P(2)-O(14) bond lengths are 1.56 Å. In the third P site, P(3) is bonded in a tetrahedral geometry to one O(3), one O(9), and two equivalent O(15) atoms. The P(3)-O(3) bond length is 1.57 Å. The P(3)-O(9) bond length is 1.57 Å. Both P(3)-O(15) bond lengths are 1.54 Å. In the fourth P site, P(4) is bonded in a tetrahedral geometry to one O(10), one O(4), and two equivalent O(16) atoms. The P(4)-O(10) bond length is 1.57 Å. The P(4)-O(4) bond length is 1.58 Å. Both P(4)-O(16) bond lengths are 1.54 Å. In the fifth P site, P(5) is bonded to one O(11), one O(5), and two equivalent O(17) atoms to form PO4 tetrahedra that share  a cornercorner with one Cd(1)O5F pentagonal pyramid. The P(5)-O(11) bond length is 1.57 Å. The P(5)-O(5) bond length is 1.57 Å. Both P(5)-O(17) bond lengths are 1.54 Å. In the sixth P site, P(6) is bonded to one O(12), one O(6), and two equivalent O(18) atoms to form PO4 tetrahedra that share  an edgeedge with one Cd(1)O5F pentagonal pyramid. The P(6)-O(12) bond length is 1.57 Å. The P(6)-O(6) bond length is 1.57 Å. Both P(6)-O(18) bond lengths are 1.54 Å. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded to one Sr(2), two equivalent Cd(3), and one P(1) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the second O site, O(2) is bonded to one Sr(3), two equivalent Cd(3), and one P(2) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the third O site, O(3) is bonded to one Sr(1), two equivalent Cd(3), and one P(3) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the fourth O site, O(4) is bonded to one Sr(5), two equivalent Cd(2), and one P(4) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to one Cd(1), two equivalent Cd(2), and one P(5) atom. In the sixth O site, O(6) is bonded to one Sr(4), two equivalent Cd(2), and one P(6) atom to form distorted edge-sharing OSrCd2P tetrahedra. In the seventh O site, O(7) is bonded in a 1-coordinate geometry to one Sr(3), two equivalent Cd(2), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Sr(1), two equivalent Cd(2), and one P(2) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Sr(2), two equivalent Cd(2), and one P(3) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to two equivalent Cd(3) and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted single-bond geometry to one Sr(4), two equivalent Cd(3), and one P(5) atom. In the twelfth O site, O(12) is bonded in a distorted single-bond geometry to one Sr(5), two equivalent Cd(3), and one P(6) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Sr(1), one Sr(5), and one P(1) atom. In the fourteenth O site, O(14) is bonded in a 1-coordinate geometry to one Sr(2), one Cd(1), and one P(2) atom. In the fifteenth O site, O(15) is bonded in a 3-coordinate geometry to one Sr(3), one Sr(4), and one P(3) atom. In the sixteenth O site, O(16) is bonded in a 3-coordinate geometry to one Sr(2), one Sr(4), and one P(4) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Sr(3), one Sr(5), and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Sr(1), one Cd(1), and one P(6) atom. There are two inequivalent F sites. In the first F site, F(1) is bonded in a trigonal planar geometry to one Sr(1), one Sr(2), and one Sr(3) atom. In the second F site, F(2) is bonded in a trigonal planar geometry to one Sr(4), one Sr(5), and one Cd(1) atom.