SrZr7N10 crystallizes in the monoclinic Pc space group. Sr(1) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(4), one N(6), and one N(7) atom. There are seven inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(3), one N(6), and one N(9) atom. In the second Zr site, Zr(2) is bonded in a 5-coordinate geometry to one N(10), one N(2), one N(3), one N(4), and one N(6) atom. In the third Zr site, Zr(3) is bonded to one N(10), one N(4), one N(5), one N(7), and one N(8) atom to form a mixture of distorted corner and edge-sharing ZrN5 trigonal bipyramids. In the fourth Zr site, Zr(4) is bonded to one N(10), one N(2), one N(7), one N(8), and one N(9) atom to form a mixture of corner and edge-sharing ZrN5 trigonal bipyramids. In the fifth Zr site, Zr(5) is bonded to one N(1), one N(5), one N(7), one N(8), and one N(9) atom to form a mixture of distorted corner and edge-sharing ZrN5 trigonal bipyramids. In the sixth Zr site, Zr(6) is bonded to one N(10), one N(3), one N(5), one N(8), and one N(9) atom to form a mixture of corner and edge-sharing ZrN5 trigonal bipyramids. In the seventh Zr site, Zr(7) is bonded to one N(10), one N(5), one N(6), one N(7), and one N(9) atom to form a mixture of corner and edge-sharing ZrN5 trigonal bipyramids. There are ten inequivalent N sites. In the first N site, N(9) is bonded to one Zr(1), one Zr(4), one Zr(5), one Zr(6), and one Zr(7) atom to form distorted NZr5 trigonal bipyramids that share  a cornercorner with one N(10)Zr5 trigonal bipyramid,  an edgeedge with one N(10)Zr5 trigonal bipyramid,  an edgeedge with one N(2)SrZr3 trigonal pyramid, and  an edgeedge with one N(6)SrZr3 trigonal pyramid. In the second N site, N(10) is bonded to one Zr(2), one Zr(3), one Zr(4), one Zr(6), and one Zr(7) atom to form distorted NZr5 trigonal bipyramids that share  a cornercorner with one N(9)Zr5 trigonal bipyramid, corners with two equivalent N(2)SrZr3 trigonal pyramids,  an edgeedge with one N(9)Zr5 trigonal bipyramid, and  an edgeedge with one N(6)SrZr3 trigonal pyramid. In the third N site, N(1) is bonded in a distorted trigonal planar geometry to one Sr(1), one Zr(1), and one Zr(5) atom. In the fourth N site, N(2) is bonded to one Sr(1), one Zr(1), one Zr(2), and one Zr(4) atom to form distorted NSrZr3 trigonal pyramids that share corners with two equivalent N(10)Zr5 trigonal bipyramids,  a cornercorner with one N(6)SrZr3 trigonal pyramid,  an edgeedge with one N(9)Zr5 trigonal bipyramid, and  an edgeedge with one N(6)SrZr3 trigonal pyramid. In the fifth N site, N(3) is bonded in a trigonal non-coplanar geometry to one Zr(1), one Zr(2), and one Zr(6) atom. In the sixth N site, N(4) is bonded in a distorted trigonal planar geometry to one Sr(1), one Zr(2), and one Zr(3) atom. In the seventh N site, N(5) is bonded in a rectangular see-saw-like geometry to one Zr(3), one Zr(5), one Zr(6), and one Zr(7) atom. In the eighth N site, N(6) is bonded to one Sr(1), one Zr(1), one Zr(2), and one Zr(7) atom to form distorted NSrZr3 trigonal pyramids that share  a cornercorner with one N(2)SrZr3 trigonal pyramid,  an edgeedge with one N(10)Zr5 trigonal bipyramid,  an edgeedge with one N(9)Zr5 trigonal bipyramid, and  an edgeedge with one N(2)SrZr3 trigonal pyramid. In the ninth N site, N(7) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Zr(3), one Zr(4), one Zr(5), and one Zr(7) atom. In the tenth N site, N(8) is bonded in a rectangular see-saw-like geometry to one Zr(3), one Zr(4), one Zr(5), and one Zr(6) atom.
SrZr7N10 crystallizes in the monoclinic Pc space group. Sr(1) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(4), one N(6), and one N(7) atom. The Sr(1)-N(1) bond length is 2.57 Å. The Sr(1)-N(2) bond length is 2.68 Å. The Sr(1)-N(4) bond length is 2.40 Å. The Sr(1)-N(6) bond length is 2.62 Å. The Sr(1)-N(7) bond length is 3.27 Å. There are seven inequivalent Zr sites. In the first Zr site, Zr(1) is bonded in a 5-coordinate geometry to one N(1), one N(2), one N(3), one N(6), and one N(9) atom. The Zr(1)-N(1) bond length is 2.00 Å. The Zr(1)-N(2) bond length is 2.26 Å. The Zr(1)-N(3) bond length is 2.05 Å. The Zr(1)-N(6) bond length is 2.19 Å. The Zr(1)-N(9) bond length is 2.72 Å. In the second Zr site, Zr(2) is bonded in a 5-coordinate geometry to one N(10), one N(2), one N(3), one N(4), and one N(6) atom. The Zr(2)-N(10) bond length is 2.81 Å. The Zr(2)-N(2) bond length is 2.08 Å. The Zr(2)-N(3) bond length is 2.15 Å. The Zr(2)-N(4) bond length is 2.00 Å. The Zr(2)-N(6) bond length is 2.18 Å. In the third Zr site, Zr(3) is bonded to one N(10), one N(4), one N(5), one N(7), and one N(8) atom to form a mixture of distorted corner and edge-sharing ZrN5 trigonal bipyramids. The Zr(3)-N(10) bond length is 2.23 Å. The Zr(3)-N(4) bond length is 1.98 Å. The Zr(3)-N(5) bond length is 2.22 Å. The Zr(3)-N(7) bond length is 2.25 Å. The Zr(3)-N(8) bond length is 2.28 Å. In the fourth Zr site, Zr(4) is bonded to one N(10), one N(2), one N(7), one N(8), and one N(9) atom to form a mixture of corner and edge-sharing ZrN5 trigonal bipyramids. The Zr(4)-N(10) bond length is 2.19 Å. The Zr(4)-N(2) bond length is 2.04 Å. The Zr(4)-N(7) bond length is 2.23 Å. The Zr(4)-N(8) bond length is 2.30 Å. The Zr(4)-N(9) bond length is 2.20 Å. In the fifth Zr site, Zr(5) is bonded to one N(1), one N(5), one N(7), one N(8), and one N(9) atom to form a mixture of distorted corner and edge-sharing ZrN5 trigonal bipyramids. The Zr(5)-N(1) bond length is 2.00 Å. The Zr(5)-N(5) bond length is 2.32 Å. The Zr(5)-N(7) bond length is 2.25 Å. The Zr(5)-N(8) bond length is 2.26 Å. The Zr(5)-N(9) bond length is 2.23 Å. In the sixth Zr site, Zr(6) is bonded to one N(10), one N(3), one N(5), one N(8), and one N(9) atom to form a mixture of corner and edge-sharing ZrN5 trigonal bipyramids. The Zr(6)-N(10) bond length is 2.24 Å. The Zr(6)-N(3) bond length is 2.00 Å. The Zr(6)-N(5) bond length is 2.20 Å. The Zr(6)-N(8) bond length is 2.20 Å. The Zr(6)-N(9) bond length is 2.31 Å. In the seventh Zr site, Zr(7) is bonded to one N(10), one N(5), one N(6), one N(7), and one N(9) atom to form a mixture of corner and edge-sharing ZrN5 trigonal bipyramids. The Zr(7)-N(10) bond length is 2.20 Å. The Zr(7)-N(5) bond length is 2.18 Å. The Zr(7)-N(6) bond length is 2.00 Å. The Zr(7)-N(7) bond length is 2.25 Å. The Zr(7)-N(9) bond length is 2.20 Å. There are ten inequivalent N sites. In the first N site, N(9) is bonded to one Zr(1), one Zr(4), one Zr(5), one Zr(6), and one Zr(7) atom to form distorted NZr5 trigonal bipyramids that share  a cornercorner with one N(10)Zr5 trigonal bipyramid,  an edgeedge with one N(10)Zr5 trigonal bipyramid,  an edgeedge with one N(2)SrZr3 trigonal pyramid, and  an edgeedge with one N(6)SrZr3 trigonal pyramid. In the second N site, N(10) is bonded to one Zr(2), one Zr(3), one Zr(4), one Zr(6), and one Zr(7) atom to form distorted NZr5 trigonal bipyramids that share  a cornercorner with one N(9)Zr5 trigonal bipyramid, corners with two equivalent N(2)SrZr3 trigonal pyramids,  an edgeedge with one N(9)Zr5 trigonal bipyramid, and  an edgeedge with one N(6)SrZr3 trigonal pyramid. In the third N site, N(1) is bonded in a distorted trigonal planar geometry to one Sr(1), one Zr(1), and one Zr(5) atom. In the fourth N site, N(2) is bonded to one Sr(1), one Zr(1), one Zr(2), and one Zr(4) atom to form distorted NSrZr3 trigonal pyramids that share corners with two equivalent N(10)Zr5 trigonal bipyramids,  a cornercorner with one N(6)SrZr3 trigonal pyramid,  an edgeedge with one N(9)Zr5 trigonal bipyramid, and  an edgeedge with one N(6)SrZr3 trigonal pyramid. In the fifth N site, N(3) is bonded in a trigonal non-coplanar geometry to one Zr(1), one Zr(2), and one Zr(6) atom. In the sixth N site, N(4) is bonded in a distorted trigonal planar geometry to one Sr(1), one Zr(2), and one Zr(3) atom. In the seventh N site, N(5) is bonded in a rectangular see-saw-like geometry to one Zr(3), one Zr(5), one Zr(6), and one Zr(7) atom. In the eighth N site, N(6) is bonded to one Sr(1), one Zr(1), one Zr(2), and one Zr(7) atom to form distorted NSrZr3 trigonal pyramids that share  a cornercorner with one N(2)SrZr3 trigonal pyramid,  an edgeedge with one N(10)Zr5 trigonal bipyramid,  an edgeedge with one N(9)Zr5 trigonal bipyramid, and  an edgeedge with one N(2)SrZr3 trigonal pyramid. In the ninth N site, N(7) is bonded in a distorted rectangular see-saw-like geometry to one Sr(1), one Zr(3), one Zr(4), one Zr(5), and one Zr(7) atom. In the tenth N site, N(8) is bonded in a rectangular see-saw-like geometry to one Zr(3), one Zr(4), one Zr(5), and one Zr(6) atom.