Sr12Tm3Ni5O24 crystallizes in the monoclinic C2 space group. There are seven inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(12), two equivalent O(5), and two equivalent O(9) atoms. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to two equivalent O(10), two equivalent O(11), two equivalent O(2), and two equivalent O(6) atoms. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. In the fifth Sr site, Sr(5) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(3), one O(7), two equivalent O(5), and two equivalent O(9) atoms. In the sixth Sr site, Sr(6) is bonded in a 8-coordinate geometry to one O(11), one O(2), one O(4), one O(8), two equivalent O(10), and two equivalent O(6) atoms. In the seventh Sr site, Sr(7) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. There are two inequivalent Tm sites. In the first Tm site, Tm(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted TmO6 pentagonal pyramids that share faces with two equivalent Ni(2)O6 octahedra. In the second Tm site, Tm(2) is bonded to one O(10), one O(11), one O(12), one O(7), one O(8), and one O(9) atom to form distorted TmO6 pentagonal pyramids that share  a faceface with one Ni(1)O6 octahedra and  a faceface with one Ni(2)O6 octahedra. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(12), one O(3), one O(5), one O(8), and one O(9) atom to form NiO6 octahedra that share  a faceface with one Tm(2)O6 pentagonal pyramid. In the second Ni site, Ni(2) is bonded to one O(10), one O(11), one O(2), one O(4), one O(6), and one O(7) atom to form NiO6 octahedra that share  a faceface with one Tm(1)O6 pentagonal pyramid and  a faceface with one Tm(2)O6 pentagonal pyramid. In the third Ni site, Ni(3) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(3), one Sr(5), one Sr(7), one Ni(1), and one Ni(3) atom to form distorted OSr4Ni2 octahedra that share  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(2)Sr4TmNi octahedra, corners with two equivalent O(5)Sr4Ni2 octahedra, corners with two equivalent O(4)Sr4TmNi octahedra, corners with three equivalent O(3)Sr4Ni2 octahedra, corners with three equivalent O(7)Sr4TmNi octahedra, corners with three equivalent O(9)Sr4TmNi octahedra,  an edgeedge with one O(1)Sr4Ni2 octahedra,  an edgeedge with one O(11)Sr4TmNi octahedra, edges with two equivalent O(12)Sr4TmNi octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(8)Sr4TmNi octahedra,  a faceface with one O(9)Sr4TmNi octahedra, and faces with two equivalent O(5)Sr4Ni2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the second O site, O(2) is bonded to one Sr(2), one Sr(4), one Sr(6), one Sr(7), one Tm(1), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(1)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra, corners with two equivalent O(3)Sr4Ni2 octahedra, corners with two equivalent O(6)Sr4TmNi octahedra, corners with three equivalent O(10)Sr4TmNi octahedra, corners with three equivalent O(4)Sr4TmNi octahedra, corners with three equivalent O(8)Sr4TmNi octahedra,  an edgeedge with one O(12)Sr4TmNi octahedra,  an edgeedge with one O(2)Sr4TmNi octahedra, edges with two equivalent O(11)Sr4TmNi octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(4)Sr4TmNi octahedra,  a faceface with one O(7)Sr4TmNi octahedra, and faces with two equivalent O(6)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-66°. In the third O site, O(3) is bonded to one Sr(3), one Sr(4), one Sr(5), one Sr(7), one Ni(1), and one Ni(3) atom to form distorted OSr4Ni2 octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(10)Sr4TmNi octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra,  a cornercorner with one O(8)Sr4TmNi octahedra, corners with two equivalent O(11)Sr4TmNi octahedra, corners with two equivalent O(2)Sr4TmNi octahedra, corners with two equivalent O(9)Sr4TmNi octahedra, corners with three equivalent O(1)Sr4Ni2 octahedra,  an edgeedge with one O(5)Sr4Ni2 octahedra,  an edgeedge with one O(9)Sr4TmNi octahedra, edges with two equivalent O(7)Sr4TmNi octahedra,  a faceface with one O(1)Sr4Ni2 octahedra,  a faceface with one O(5)Sr4Ni2 octahedra,  a faceface with one O(12)Sr4TmNi octahedra,  a faceface with one O(4)Sr4TmNi octahedra, and  a faceface with one O(8)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-64°. In the fourth O site, O(4) is bonded to one Sr(3), one Sr(4), one Sr(6), one Sr(7), one Tm(1), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra,  a cornercorner with one O(7)Sr4TmNi octahedra,  a cornercorner with one O(9)Sr4TmNi octahedra, corners with two equivalent O(1)Sr4Ni2 octahedra, corners with two equivalent O(10)Sr4TmNi octahedra, corners with two equivalent O(12)Sr4TmNi octahedra, corners with three equivalent O(2)Sr4TmNi octahedra,  an edgeedge with one O(10)Sr4TmNi octahedra,  an edgeedge with one O(6)Sr4TmNi octahedra, edges with two equivalent O(8)Sr4TmNi octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(2)Sr4TmNi octahedra,  a faceface with one O(6)Sr4TmNi octahedra, and  a faceface with one O(7)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(3), two equivalent Sr(5), one Ni(1), and one Ni(3) atom to form distorted OSr4Ni2 octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra,  a cornercorner with one O(7)Sr4TmNi octahedra,  a cornercorner with one O(9)Sr4TmNi octahedra, corners with two equivalent O(1)Sr4Ni2 octahedra, corners with two equivalent O(12)Sr4TmNi octahedra, corners with two equivalent O(8)Sr4TmNi octahedra, corners with four equivalent O(5)Sr4Ni2 octahedra,  an edgeedge with one O(3)Sr4Ni2 octahedra,  an edgeedge with one O(7)Sr4TmNi octahedra, edges with two equivalent O(9)Sr4TmNi octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(12)Sr4TmNi octahedra,  a faceface with one O(9)Sr4TmNi octahedra, and faces with two equivalent O(1)Sr4Ni2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the sixth O site, O(6) is bonded to one Sr(2), one Sr(4), two equivalent Sr(6), one Tm(1), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(10)Sr4TmNi octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra,  a cornercorner with one O(8)Sr4TmNi octahedra, corners with two equivalent O(11)Sr4TmNi octahedra, corners with two equivalent O(2)Sr4TmNi octahedra, corners with two equivalent O(7)Sr4TmNi octahedra, corners with four equivalent O(6)Sr4TmNi octahedra,  an edgeedge with one O(4)Sr4TmNi octahedra,  an edgeedge with one O(8)Sr4TmNi octahedra, edges with two equivalent O(10)Sr4TmNi octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(4)Sr4TmNi octahedra, and faces with two equivalent O(2)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the seventh O site, O(7) is bonded to one Sr(3), one Sr(4), one Sr(5), one Sr(7), one Tm(2), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra, corners with two equivalent O(6)Sr4TmNi octahedra, corners with two equivalent O(9)Sr4TmNi octahedra, corners with three equivalent O(1)Sr4Ni2 octahedra, corners with four equivalent O(8)Sr4TmNi octahedra,  an edgeedge with one O(5)Sr4Ni2 octahedra,  an edgeedge with one O(9)Sr4TmNi octahedra, edges with two equivalent O(3)Sr4Ni2 octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(12)Sr4TmNi octahedra,  a faceface with one O(2)Sr4TmNi octahedra, and  a faceface with one O(4)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the eighth O site, O(8) is bonded to one Sr(3), one Sr(4), one Sr(6), one Sr(7), one Tm(2), and one Ni(1) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra, corners with two equivalent O(5)Sr4Ni2 octahedra, corners with two equivalent O(10)Sr4TmNi octahedra, corners with three equivalent O(2)Sr4TmNi octahedra, corners with four equivalent O(7)Sr4TmNi octahedra,  an edgeedge with one O(10)Sr4TmNi octahedra,  an edgeedge with one O(6)Sr4TmNi octahedra, edges with two equivalent O(4)Sr4TmNi octahedra,  a faceface with one O(1)Sr4Ni2 octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(12)Sr4TmNi octahedra, and  a faceface with one O(9)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-66°. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(3), two equivalent Sr(5), one Tm(2), and one Ni(1) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(10)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra, corners with two equivalent O(3)Sr4Ni2 octahedra, corners with two equivalent O(11)Sr4TmNi octahedra, corners with two equivalent O(7)Sr4TmNi octahedra, corners with three equivalent O(1)Sr4Ni2 octahedra, corners with three equivalent O(12)Sr4TmNi octahedra,  an edgeedge with one O(3)Sr4Ni2 octahedra,  an edgeedge with one O(7)Sr4TmNi octahedra, edges with two equivalent O(5)Sr4Ni2 octahedra,  a faceface with one O(1)Sr4Ni2 octahedra,  a faceface with one O(5)Sr4Ni2 octahedra,  a faceface with one O(12)Sr4TmNi octahedra,  a faceface with one O(8)Sr4TmNi octahedra, and  a faceface with one O(9)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the tenth O site, O(10) is bonded to one Sr(2), one Sr(4), two equivalent Sr(6), one Tm(2), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra,  a cornercorner with one O(9)Sr4TmNi octahedra, corners with two equivalent O(12)Sr4TmNi octahedra, corners with two equivalent O(4)Sr4TmNi octahedra, corners with two equivalent O(8)Sr4TmNi octahedra, corners with three equivalent O(11)Sr4TmNi octahedra, corners with three equivalent O(2)Sr4TmNi octahedra,  an edgeedge with one O(4)Sr4TmNi octahedra,  an edgeedge with one O(8)Sr4TmNi octahedra, edges with two equivalent O(6)Sr4TmNi octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(2)Sr4TmNi octahedra,  a faceface with one O(6)Sr4TmNi octahedra, and  a faceface with one O(7)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the eleventh O site, O(11) is bonded to one Sr(2), one Sr(3), one Sr(6), one Sr(7), one Tm(2), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(2)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra,  a cornercorner with one O(7)Sr4TmNi octahedra,  a cornercorner with one O(8)Sr4TmNi octahedra, corners with two equivalent O(3)Sr4Ni2 octahedra, corners with two equivalent O(6)Sr4TmNi octahedra, corners with two equivalent O(9)Sr4TmNi octahedra, corners with three equivalent O(10)Sr4TmNi octahedra,  an edgeedge with one O(1)Sr4Ni2 octahedra,  an edgeedge with one O(12)Sr4TmNi octahedra, edges with two equivalent O(2)Sr4TmNi octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(4)Sr4TmNi octahedra,  a faceface with one O(6)Sr4TmNi octahedra,  a faceface with one O(7)Sr4TmNi octahedra, and  a faceface with one O(8)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the twelfth O site, O(12) is bonded to one Sr(1), one Sr(4), one Sr(5), one Sr(7), one Tm(2), and one Ni(1) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(1)Sr4Ni2 octahedra,  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra,  a cornercorner with one O(7)Sr4TmNi octahedra,  a cornercorner with one O(8)Sr4TmNi octahedra, corners with two equivalent O(5)Sr4Ni2 octahedra, corners with two equivalent O(10)Sr4TmNi octahedra, corners with two equivalent O(4)Sr4TmNi octahedra, corners with three equivalent O(9)Sr4TmNi octahedra,  an edgeedge with one O(11)Sr4TmNi octahedra,  an edgeedge with one O(2)Sr4TmNi octahedra, edges with two equivalent O(1)Sr4Ni2 octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(5)Sr4Ni2 octahedra,  a faceface with one O(7)Sr4TmNi octahedra,  a faceface with one O(8)Sr4TmNi octahedra, and  a faceface with one O(9)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-65°.
Sr12Tm3Ni5O24 crystallizes in the monoclinic C2 space group. There are seven inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(12), two equivalent O(5), and two equivalent O(9) atoms. Both Sr(1)-O(1) bond lengths are 2.50 Å. Both Sr(1)-O(12) bond lengths are 2.64 Å. Both Sr(1)-O(5) bond lengths are 2.67 Å. Both Sr(1)-O(9) bond lengths are 2.79 Å. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to two equivalent O(10), two equivalent O(11), two equivalent O(2), and two equivalent O(6) atoms. Both Sr(2)-O(10) bond lengths are 2.74 Å. Both Sr(2)-O(11) bond lengths are 2.69 Å. Both Sr(2)-O(2) bond lengths are 2.55 Å. Both Sr(2)-O(6) bond lengths are 2.65 Å. In the third Sr site, Sr(3) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(3), one O(4), one O(5), one O(7), one O(8), and one O(9) atom. The Sr(3)-O(1) bond length is 2.65 Å. The Sr(3)-O(11) bond length is 2.79 Å. The Sr(3)-O(3) bond length is 2.53 Å. The Sr(3)-O(4) bond length is 2.64 Å. The Sr(3)-O(5) bond length is 2.55 Å. The Sr(3)-O(7) bond length is 2.66 Å. The Sr(3)-O(8) bond length is 2.80 Å. The Sr(3)-O(9) bond length is 2.64 Å. In the fourth Sr site, Sr(4) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(2), one O(3), one O(4), one O(6), one O(7), and one O(8) atom. The Sr(4)-O(10) bond length is 2.69 Å. The Sr(4)-O(12) bond length is 2.74 Å. The Sr(4)-O(2) bond length is 2.65 Å. The Sr(4)-O(3) bond length is 2.67 Å. The Sr(4)-O(4) bond length is 2.55 Å. The Sr(4)-O(6) bond length is 2.52 Å. The Sr(4)-O(7) bond length is 2.74 Å. The Sr(4)-O(8) bond length is 2.67 Å. In the fifth Sr site, Sr(5) is bonded in a 8-coordinate geometry to one O(1), one O(12), one O(3), one O(7), two equivalent O(5), and two equivalent O(9) atoms. The Sr(5)-O(1) bond length is 2.73 Å. The Sr(5)-O(12) bond length is 2.63 Å. The Sr(5)-O(3) bond length is 2.64 Å. The Sr(5)-O(7) bond length is 2.52 Å. There is one shorter (2.64 Å) and one longer (2.74 Å) Sr(5)-O(5) bond length. Both Sr(5)-O(9) bond lengths are 2.59 Å. In the sixth Sr site, Sr(6) is bonded in a 8-coordinate geometry to one O(11), one O(2), one O(4), one O(8), two equivalent O(10), and two equivalent O(6) atoms. The Sr(6)-O(11) bond length is 2.62 Å. The Sr(6)-O(2) bond length is 2.74 Å. The Sr(6)-O(4) bond length is 2.68 Å. The Sr(6)-O(8) bond length is 2.60 Å. There is one shorter (2.54 Å) and one longer (2.67 Å) Sr(6)-O(10) bond length. There is one shorter (2.67 Å) and one longer (2.75 Å) Sr(6)-O(6) bond length. In the seventh Sr site, Sr(7) is bonded in a 8-coordinate geometry to one O(1), one O(11), one O(12), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. The Sr(7)-O(1) bond length is 2.56 Å. The Sr(7)-O(11) bond length is 2.59 Å. The Sr(7)-O(12) bond length is 2.50 Å. The Sr(7)-O(2) bond length is 2.76 Å. The Sr(7)-O(3) bond length is 2.70 Å. The Sr(7)-O(4) bond length is 2.78 Å. The Sr(7)-O(7) bond length is 2.64 Å. The Sr(7)-O(8) bond length is 2.62 Å. There are two inequivalent Tm sites. In the first Tm site, Tm(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(6) atoms to form distorted TmO6 pentagonal pyramids that share faces with two equivalent Ni(2)O6 octahedra. Both Tm(1)-O(2) bond lengths are 2.25 Å. Both Tm(1)-O(4) bond lengths are 2.26 Å. Both Tm(1)-O(6) bond lengths are 2.23 Å. In the second Tm site, Tm(2) is bonded to one O(10), one O(11), one O(12), one O(7), one O(8), and one O(9) atom to form distorted TmO6 pentagonal pyramids that share  a faceface with one Ni(1)O6 octahedra and  a faceface with one Ni(2)O6 octahedra. The Tm(2)-O(10) bond length is 2.25 Å. The Tm(2)-O(11) bond length is 2.26 Å. The Tm(2)-O(12) bond length is 2.22 Å. The Tm(2)-O(7) bond length is 2.22 Å. The Tm(2)-O(8) bond length is 2.25 Å. The Tm(2)-O(9) bond length is 2.22 Å. There are three inequivalent Ni sites. In the first Ni site, Ni(1) is bonded to one O(1), one O(12), one O(3), one O(5), one O(8), and one O(9) atom to form NiO6 octahedra that share  a faceface with one Tm(2)O6 pentagonal pyramid. The Ni(1)-O(1) bond length is 2.01 Å. The Ni(1)-O(12) bond length is 2.09 Å. The Ni(1)-O(3) bond length is 1.98 Å. The Ni(1)-O(5) bond length is 1.91 Å. The Ni(1)-O(8) bond length is 1.99 Å. The Ni(1)-O(9) bond length is 2.04 Å. In the second Ni site, Ni(2) is bonded to one O(10), one O(11), one O(2), one O(4), one O(6), and one O(7) atom to form NiO6 octahedra that share  a faceface with one Tm(1)O6 pentagonal pyramid and  a faceface with one Tm(2)O6 pentagonal pyramid. The Ni(2)-O(10) bond length is 2.06 Å. The Ni(2)-O(11) bond length is 2.03 Å. The Ni(2)-O(2) bond length is 2.04 Å. The Ni(2)-O(4) bond length is 2.03 Å. The Ni(2)-O(6) bond length is 2.11 Å. The Ni(2)-O(7) bond length is 2.09 Å. In the third Ni site, Ni(3) is bonded in a 6-coordinate geometry to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms. Both Ni(3)-O(1) bond lengths are 2.20 Å. Both Ni(3)-O(3) bond lengths are 2.18 Å. Both Ni(3)-O(5) bond lengths are 2.21 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to one Sr(1), one Sr(3), one Sr(5), one Sr(7), one Ni(1), and one Ni(3) atom to form distorted OSr4Ni2 octahedra that share  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(2)Sr4TmNi octahedra, corners with two equivalent O(5)Sr4Ni2 octahedra, corners with two equivalent O(4)Sr4TmNi octahedra, corners with three equivalent O(3)Sr4Ni2 octahedra, corners with three equivalent O(7)Sr4TmNi octahedra, corners with three equivalent O(9)Sr4TmNi octahedra,  an edgeedge with one O(1)Sr4Ni2 octahedra,  an edgeedge with one O(11)Sr4TmNi octahedra, edges with two equivalent O(12)Sr4TmNi octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(8)Sr4TmNi octahedra,  a faceface with one O(9)Sr4TmNi octahedra, and faces with two equivalent O(5)Sr4Ni2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the second O site, O(2) is bonded to one Sr(2), one Sr(4), one Sr(6), one Sr(7), one Tm(1), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(1)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra, corners with two equivalent O(3)Sr4Ni2 octahedra, corners with two equivalent O(6)Sr4TmNi octahedra, corners with three equivalent O(10)Sr4TmNi octahedra, corners with three equivalent O(4)Sr4TmNi octahedra, corners with three equivalent O(8)Sr4TmNi octahedra,  an edgeedge with one O(12)Sr4TmNi octahedra,  an edgeedge with one O(2)Sr4TmNi octahedra, edges with two equivalent O(11)Sr4TmNi octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(4)Sr4TmNi octahedra,  a faceface with one O(7)Sr4TmNi octahedra, and faces with two equivalent O(6)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-66°. In the third O site, O(3) is bonded to one Sr(3), one Sr(4), one Sr(5), one Sr(7), one Ni(1), and one Ni(3) atom to form distorted OSr4Ni2 octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(10)Sr4TmNi octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra,  a cornercorner with one O(8)Sr4TmNi octahedra, corners with two equivalent O(11)Sr4TmNi octahedra, corners with two equivalent O(2)Sr4TmNi octahedra, corners with two equivalent O(9)Sr4TmNi octahedra, corners with three equivalent O(1)Sr4Ni2 octahedra,  an edgeedge with one O(5)Sr4Ni2 octahedra,  an edgeedge with one O(9)Sr4TmNi octahedra, edges with two equivalent O(7)Sr4TmNi octahedra,  a faceface with one O(1)Sr4Ni2 octahedra,  a faceface with one O(5)Sr4Ni2 octahedra,  a faceface with one O(12)Sr4TmNi octahedra,  a faceface with one O(4)Sr4TmNi octahedra, and  a faceface with one O(8)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-64°. In the fourth O site, O(4) is bonded to one Sr(3), one Sr(4), one Sr(6), one Sr(7), one Tm(1), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra,  a cornercorner with one O(7)Sr4TmNi octahedra,  a cornercorner with one O(9)Sr4TmNi octahedra, corners with two equivalent O(1)Sr4Ni2 octahedra, corners with two equivalent O(10)Sr4TmNi octahedra, corners with two equivalent O(12)Sr4TmNi octahedra, corners with three equivalent O(2)Sr4TmNi octahedra,  an edgeedge with one O(10)Sr4TmNi octahedra,  an edgeedge with one O(6)Sr4TmNi octahedra, edges with two equivalent O(8)Sr4TmNi octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(2)Sr4TmNi octahedra,  a faceface with one O(6)Sr4TmNi octahedra, and  a faceface with one O(7)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the fifth O site, O(5) is bonded to one Sr(1), one Sr(3), two equivalent Sr(5), one Ni(1), and one Ni(3) atom to form distorted OSr4Ni2 octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra,  a cornercorner with one O(7)Sr4TmNi octahedra,  a cornercorner with one O(9)Sr4TmNi octahedra, corners with two equivalent O(1)Sr4Ni2 octahedra, corners with two equivalent O(12)Sr4TmNi octahedra, corners with two equivalent O(8)Sr4TmNi octahedra, corners with four equivalent O(5)Sr4Ni2 octahedra,  an edgeedge with one O(3)Sr4Ni2 octahedra,  an edgeedge with one O(7)Sr4TmNi octahedra, edges with two equivalent O(9)Sr4TmNi octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(12)Sr4TmNi octahedra,  a faceface with one O(9)Sr4TmNi octahedra, and faces with two equivalent O(1)Sr4Ni2 octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the sixth O site, O(6) is bonded to one Sr(2), one Sr(4), two equivalent Sr(6), one Tm(1), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(10)Sr4TmNi octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra,  a cornercorner with one O(8)Sr4TmNi octahedra, corners with two equivalent O(11)Sr4TmNi octahedra, corners with two equivalent O(2)Sr4TmNi octahedra, corners with two equivalent O(7)Sr4TmNi octahedra, corners with four equivalent O(6)Sr4TmNi octahedra,  an edgeedge with one O(4)Sr4TmNi octahedra,  an edgeedge with one O(8)Sr4TmNi octahedra, edges with two equivalent O(10)Sr4TmNi octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(4)Sr4TmNi octahedra, and faces with two equivalent O(2)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the seventh O site, O(7) is bonded to one Sr(3), one Sr(4), one Sr(5), one Sr(7), one Tm(2), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra, corners with two equivalent O(6)Sr4TmNi octahedra, corners with two equivalent O(9)Sr4TmNi octahedra, corners with three equivalent O(1)Sr4Ni2 octahedra, corners with four equivalent O(8)Sr4TmNi octahedra,  an edgeedge with one O(5)Sr4Ni2 octahedra,  an edgeedge with one O(9)Sr4TmNi octahedra, edges with two equivalent O(3)Sr4Ni2 octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(12)Sr4TmNi octahedra,  a faceface with one O(2)Sr4TmNi octahedra, and  a faceface with one O(4)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the eighth O site, O(8) is bonded to one Sr(3), one Sr(4), one Sr(6), one Sr(7), one Tm(2), and one Ni(1) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra, corners with two equivalent O(5)Sr4Ni2 octahedra, corners with two equivalent O(10)Sr4TmNi octahedra, corners with three equivalent O(2)Sr4TmNi octahedra, corners with four equivalent O(7)Sr4TmNi octahedra,  an edgeedge with one O(10)Sr4TmNi octahedra,  an edgeedge with one O(6)Sr4TmNi octahedra, edges with two equivalent O(4)Sr4TmNi octahedra,  a faceface with one O(1)Sr4Ni2 octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(12)Sr4TmNi octahedra, and  a faceface with one O(9)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-66°. In the ninth O site, O(9) is bonded to one Sr(1), one Sr(3), two equivalent Sr(5), one Tm(2), and one Ni(1) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(10)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra, corners with two equivalent O(3)Sr4Ni2 octahedra, corners with two equivalent O(11)Sr4TmNi octahedra, corners with two equivalent O(7)Sr4TmNi octahedra, corners with three equivalent O(1)Sr4Ni2 octahedra, corners with three equivalent O(12)Sr4TmNi octahedra,  an edgeedge with one O(3)Sr4Ni2 octahedra,  an edgeedge with one O(7)Sr4TmNi octahedra, edges with two equivalent O(5)Sr4Ni2 octahedra,  a faceface with one O(1)Sr4Ni2 octahedra,  a faceface with one O(5)Sr4Ni2 octahedra,  a faceface with one O(12)Sr4TmNi octahedra,  a faceface with one O(8)Sr4TmNi octahedra, and  a faceface with one O(9)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the tenth O site, O(10) is bonded to one Sr(2), one Sr(4), two equivalent Sr(6), one Tm(2), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra,  a cornercorner with one O(9)Sr4TmNi octahedra, corners with two equivalent O(12)Sr4TmNi octahedra, corners with two equivalent O(4)Sr4TmNi octahedra, corners with two equivalent O(8)Sr4TmNi octahedra, corners with three equivalent O(11)Sr4TmNi octahedra, corners with three equivalent O(2)Sr4TmNi octahedra,  an edgeedge with one O(4)Sr4TmNi octahedra,  an edgeedge with one O(8)Sr4TmNi octahedra, edges with two equivalent O(6)Sr4TmNi octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(11)Sr4TmNi octahedra,  a faceface with one O(2)Sr4TmNi octahedra,  a faceface with one O(6)Sr4TmNi octahedra, and  a faceface with one O(7)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 0-65°. In the eleventh O site, O(11) is bonded to one Sr(2), one Sr(3), one Sr(6), one Sr(7), one Tm(2), and one Ni(2) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(5)Sr4Ni2 octahedra,  a cornercorner with one O(11)Sr4TmNi octahedra,  a cornercorner with one O(2)Sr4TmNi octahedra,  a cornercorner with one O(4)Sr4TmNi octahedra,  a cornercorner with one O(7)Sr4TmNi octahedra,  a cornercorner with one O(8)Sr4TmNi octahedra, corners with two equivalent O(3)Sr4Ni2 octahedra, corners with two equivalent O(6)Sr4TmNi octahedra, corners with two equivalent O(9)Sr4TmNi octahedra, corners with three equivalent O(10)Sr4TmNi octahedra,  an edgeedge with one O(1)Sr4Ni2 octahedra,  an edgeedge with one O(12)Sr4TmNi octahedra, edges with two equivalent O(2)Sr4TmNi octahedra,  a faceface with one O(10)Sr4TmNi octahedra,  a faceface with one O(4)Sr4TmNi octahedra,  a faceface with one O(6)Sr4TmNi octahedra,  a faceface with one O(7)Sr4TmNi octahedra, and  a faceface with one O(8)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-65°. In the twelfth O site, O(12) is bonded to one Sr(1), one Sr(4), one Sr(5), one Sr(7), one Tm(2), and one Ni(1) atom to form distorted OSr4TmNi octahedra that share  a cornercorner with one O(1)Sr4Ni2 octahedra,  a cornercorner with one O(3)Sr4Ni2 octahedra,  a cornercorner with one O(12)Sr4TmNi octahedra,  a cornercorner with one O(6)Sr4TmNi octahedra,  a cornercorner with one O(7)Sr4TmNi octahedra,  a cornercorner with one O(8)Sr4TmNi octahedra, corners with two equivalent O(5)Sr4Ni2 octahedra, corners with two equivalent O(10)Sr4TmNi octahedra, corners with two equivalent O(4)Sr4TmNi octahedra, corners with three equivalent O(9)Sr4TmNi octahedra,  an edgeedge with one O(11)Sr4TmNi octahedra,  an edgeedge with one O(2)Sr4TmNi octahedra, edges with two equivalent O(1)Sr4Ni2 octahedra,  a faceface with one O(3)Sr4Ni2 octahedra,  a faceface with one O(5)Sr4Ni2 octahedra,  a faceface with one O(7)Sr4TmNi octahedra,  a faceface with one O(8)Sr4TmNi octahedra, and  a faceface with one O(9)Sr4TmNi octahedra. The corner-sharing octahedral tilt angles range from 1-65°.