LiNd14(Cu3O14)2 crystallizes in the monoclinic C2/m space group. Li(1) is bonded in a square co-planar geometry to two equivalent O(2) and two equivalent O(8) atoms. There are four inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(1), two equivalent O(3), two equivalent O(6), and two equivalent O(9) atoms. In the second Nd site, Nd(2) is bonded in a distorted body-centered cubic geometry to one O(1), one O(2), one O(4), one O(6), one O(7), one O(8), and two equivalent O(3) atoms. In the third Nd site, Nd(3) is bonded in a distorted body-centered cubic geometry to one O(10), one O(11), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. In the fourth Nd site, Nd(4) is bonded in a distorted body-centered cubic geometry to one O(10), one O(11), one O(12), one O(6), one O(7), one O(9), and two equivalent O(4) atoms. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to one O(10), one O(2), one O(5), and one O(7) atom. In the second Cu site, Cu(2) is bonded in a rectangular see-saw-like geometry to one O(1), one O(12), one O(7), and one O(9) atom. In the third Cu site, Cu(3) is bonded in a rectangular see-saw-like geometry to one O(1), one O(10), one O(8), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Nd(1), two equivalent Nd(2), one Cu(2), and one Cu(3) atom to form distorted ONd4Cu2 octahedra that share  a cornercorner with one O(10)Nd4Cu2 octahedra,  a cornercorner with one O(12)Nd4Cu2 octahedra, corners with two equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(3)Nd4 tetrahedra, corners with six equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(2)LiNd4Cu octahedra,  an edgeedge with one O(1)Nd4Cu2 octahedra, edges with two equivalent O(3)Nd4 tetrahedra,  a faceface with one O(8)LiNd4Cu octahedra,  a faceface with one O(7)Nd4Cu2 octahedra, and faces with two equivalent O(9)Nd4Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second O site, O(2) is bonded to one Li(1), two equivalent Nd(2), two equivalent Nd(3), and one Cu(1) atom to form distorted OLiNd4Cu octahedra that share  a cornercorner with one O(2)LiNd4Cu octahedra,  a cornercorner with one O(10)Nd4Cu2 octahedra, corners with two equivalent O(11)Nd4 tetrahedra, corners with four equivalent O(4)Nd4 tetrahedra, corners with six equivalent O(3)Nd4 tetrahedra,  an edgeedge with one O(1)Nd4Cu2 octahedra,  an edgeedge with one O(10)Nd4Cu2 octahedra, edges with two equivalent O(6)Nd4 tetrahedra,  a faceface with one O(5)Nd4Cu2 octahedra,  a faceface with one O(7)Nd4Cu2 octahedra, and faces with two equivalent O(8)LiNd4Cu octahedra. The corner-sharing octahedra are not tilted. In the third O site, O(3) is bonded to one Nd(1), one Nd(3), and two equivalent Nd(2) atoms to form ONd4 tetrahedra that share  a cornercorner with one O(8)LiNd4Cu octahedra,  a cornercorner with one O(10)Nd4Cu2 octahedra,  a cornercorner with one O(5)Nd4Cu2 octahedra, corners with two equivalent O(1)Nd4Cu2 octahedra, corners with two equivalent O(7)Nd4Cu2 octahedra, corners with two equivalent O(9)Nd4Cu2 octahedra, corners with three equivalent O(2)LiNd4Cu octahedra,  a cornercorner with one O(11)Nd4 tetrahedra,  a cornercorner with one O(3)Nd4 tetrahedra,  a cornercorner with one O(4)Nd4 tetrahedra,  a cornercorner with one O(6)Nd4 tetrahedra,  an edgeedge with one O(8)LiNd4Cu octahedra,  an edgeedge with one O(1)Nd4Cu2 octahedra,  an edgeedge with one O(3)Nd4 tetrahedra,  an edgeedge with one O(4)Nd4 tetrahedra, and edges with two equivalent O(6)Nd4 tetrahedra. The corner-sharing octahedral tilt angles range from 10-71°. In the fourth O site, O(4) is bonded to one Nd(2), one Nd(3), and two equivalent Nd(4) atoms to form ONd4 tetrahedra that share  a cornercorner with one O(1)Nd4Cu2 octahedra,  a cornercorner with one O(10)Nd4Cu2 octahedra,  a cornercorner with one O(5)Nd4Cu2 octahedra,  a cornercorner with one O(7)Nd4Cu2 octahedra, corners with two equivalent O(2)LiNd4Cu octahedra, corners with two equivalent O(8)LiNd4Cu octahedra, corners with two equivalent O(12)Nd4Cu2 octahedra, corners with two equivalent O(9)Nd4Cu2 octahedra,  a cornercorner with one O(11)Nd4 tetrahedra,  a cornercorner with one O(3)Nd4 tetrahedra, corners with two equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(10)Nd4Cu2 octahedra,  an edgeedge with one O(7)Nd4Cu2 octahedra,  an edgeedge with one O(11)Nd4 tetrahedra,  an edgeedge with one O(3)Nd4 tetrahedra,  an edgeedge with one O(4)Nd4 tetrahedra, and  an edgeedge with one O(6)Nd4 tetrahedra. The corner-sharing octahedral tilt angles range from 11-71°. In the fifth O site, O(5) is bonded to four equivalent Nd(3) and two equivalent Cu(1) atoms to form distorted ONd4Cu2 octahedra that share corners with two equivalent O(7)Nd4Cu2 octahedra, corners with four equivalent O(3)Nd4 tetrahedra, corners with four equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(6)Nd4 tetrahedra, edges with two equivalent O(8)LiNd4Cu octahedra, edges with two equivalent O(11)Nd4 tetrahedra, faces with two equivalent O(2)LiNd4Cu octahedra, and faces with two equivalent O(10)Nd4Cu2 octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(6) is bonded to one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom to form ONd4 tetrahedra that share  a cornercorner with one O(12)Nd4Cu2 octahedra,  a cornercorner with one O(5)Nd4Cu2 octahedra,  a cornercorner with one O(9)Nd4Cu2 octahedra, corners with two equivalent O(8)LiNd4Cu octahedra, corners with two equivalent O(10)Nd4Cu2 octahedra, corners with two equivalent O(7)Nd4Cu2 octahedra, corners with three equivalent O(1)Nd4Cu2 octahedra,  a cornercorner with one O(3)Nd4 tetrahedra,  a cornercorner with one O(6)Nd4 tetrahedra, corners with two equivalent O(4)Nd4 tetrahedra,  an edgeedge with one O(2)LiNd4Cu octahedra,  an edgeedge with one O(9)Nd4Cu2 octahedra,  an edgeedge with one O(11)Nd4 tetrahedra,  an edgeedge with one O(4)Nd4 tetrahedra, and edges with two equivalent O(3)Nd4 tetrahedra. The corner-sharing octahedral tilt angles range from 10-69°. In the seventh O site, O(7) is bonded to two equivalent Nd(2), two equivalent Nd(4), one Cu(1), and one Cu(2) atom to form distorted ONd4Cu2 octahedra that share  a cornercorner with one O(5)Nd4Cu2 octahedra,  a cornercorner with one O(9)Nd4Cu2 octahedra, corners with two equivalent O(11)Nd4 tetrahedra, corners with two equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(3)Nd4 tetrahedra, corners with four equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(8)LiNd4Cu octahedra,  an edgeedge with one O(9)Nd4Cu2 octahedra, edges with two equivalent O(4)Nd4 tetrahedra,  a faceface with one O(2)LiNd4Cu octahedra,  a faceface with one O(1)Nd4Cu2 octahedra,  a faceface with one O(10)Nd4Cu2 octahedra, and  a faceface with one O(12)Nd4Cu2 octahedra. The corner-sharing octahedra are not tilted. In the eighth O site, O(8) is bonded to one Li(1), two equivalent Nd(2), two equivalent Nd(3), and one Cu(3) atom to form distorted OLiNd4Cu octahedra that share  a cornercorner with one O(8)LiNd4Cu octahedra,  a cornercorner with one O(9)Nd4Cu2 octahedra, corners with two equivalent O(11)Nd4 tetrahedra, corners with two equivalent O(3)Nd4 tetrahedra, corners with four equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(5)Nd4Cu2 octahedra,  an edgeedge with one O(7)Nd4Cu2 octahedra, edges with two equivalent O(3)Nd4 tetrahedra,  a faceface with one O(1)Nd4Cu2 octahedra,  a faceface with one O(10)Nd4Cu2 octahedra, and faces with two equivalent O(2)LiNd4Cu octahedra. The corner-sharing octahedra are not tilted. In the ninth O site, O(9) is bonded to two equivalent Nd(1), two equivalent Nd(4), one Cu(2), and one Cu(3) atom to form distorted ONd4Cu2 octahedra that share  a cornercorner with one O(8)LiNd4Cu octahedra,  a cornercorner with one O(7)Nd4Cu2 octahedra, corners with two equivalent O(11)Nd4 tetrahedra, corners with two equivalent O(6)Nd4 tetrahedra, corners with four equivalent O(3)Nd4 tetrahedra, corners with four equivalent O(4)Nd4 tetrahedra,  an edgeedge with one O(7)Nd4Cu2 octahedra,  an edgeedge with one O(9)Nd4Cu2 octahedra, edges with two equivalent O(6)Nd4 tetrahedra,  a faceface with one O(10)Nd4Cu2 octahedra,  a faceface with one O(12)Nd4Cu2 octahedra, and faces with two equivalent O(1)Nd4Cu2 octahedra. The corner-sharing octahedra are not tilted. In the tenth O site, O(10) is bonded to two equivalent Nd(3), two equivalent Nd(4), one Cu(1), and one Cu(3) atom to form distorted ONd4Cu2 octahedra that share  a cornercorner with one O(2)LiNd4Cu octahedra,  a cornercorner with one O(1)Nd4Cu2 octahedra, corners with two equivalent O(3)Nd4 tetrahedra, corners with two equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(11)Nd4 tetrahedra, corners with four equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(2)LiNd4Cu octahedra,  an edgeedge with one O(12)Nd4Cu2 octahedra, edges with two equivalent O(4)Nd4 tetrahedra,  a faceface with one O(8)LiNd4Cu octahedra,  a faceface with one O(5)Nd4Cu2 octahedra,  a faceface with one O(7)Nd4Cu2 octahedra, and  a faceface with one O(9)Nd4Cu2 octahedra. The corner-sharing octahedra are not tilted. In the eleventh O site, O(11) is bonded to two equivalent Nd(3) and two equivalent Nd(4) atoms to form ONd4 tetrahedra that share corners with two equivalent O(2)LiNd4Cu octahedra, corners with two equivalent O(8)LiNd4Cu octahedra, corners with two equivalent O(7)Nd4Cu2 octahedra, corners with two equivalent O(9)Nd4Cu2 octahedra, corners with four equivalent O(10)Nd4Cu2 octahedra, corners with two equivalent O(3)Nd4 tetrahedra, corners with two equivalent O(4)Nd4 tetrahedra,  an edgeedge with one O(12)Nd4Cu2 octahedra,  an edgeedge with one O(5)Nd4Cu2 octahedra, edges with two equivalent O(4)Nd4 tetrahedra, and edges with two equivalent O(6)Nd4 tetrahedra. The corner-sharing octahedral tilt angles range from 11-71°. In the twelfth O site, O(12) is bonded to four equivalent Nd(4) and two equivalent Cu(2) atoms to form distorted ONd4Cu2 octahedra that share corners with two equivalent O(1)Nd4Cu2 octahedra, corners with four equivalent O(6)Nd4 tetrahedra, corners with eight equivalent O(4)Nd4 tetrahedra, edges with two equivalent O(10)Nd4Cu2 octahedra, edges with two equivalent O(11)Nd4 tetrahedra, faces with two equivalent O(7)Nd4Cu2 octahedra, and faces with two equivalent O(9)Nd4Cu2 octahedra. The corner-sharing octahedral tilt angles are 1°.
LiNd14(Cu3O14)2 crystallizes in the monoclinic C2/m space group. Li(1) is bonded in a square co-planar geometry to two equivalent O(2) and two equivalent O(8) atoms. Both Li(1)-O(2) bond lengths are 2.07 Å. Both Li(1)-O(8) bond lengths are 2.08 Å. There are four inequivalent Nd sites. In the first Nd site, Nd(1) is bonded in a distorted body-centered cubic geometry to two equivalent O(1), two equivalent O(3), two equivalent O(6), and two equivalent O(9) atoms. Both Nd(1)-O(1) bond lengths are 2.71 Å. Both Nd(1)-O(3) bond lengths are 2.34 Å. Both Nd(1)-O(6) bond lengths are 2.34 Å. Both Nd(1)-O(9) bond lengths are 2.71 Å. In the second Nd site, Nd(2) is bonded in a distorted body-centered cubic geometry to one O(1), one O(2), one O(4), one O(6), one O(7), one O(8), and two equivalent O(3) atoms. The Nd(2)-O(1) bond length is 2.71 Å. The Nd(2)-O(2) bond length is 2.70 Å. The Nd(2)-O(4) bond length is 2.35 Å. The Nd(2)-O(6) bond length is 2.34 Å. The Nd(2)-O(7) bond length is 2.71 Å. The Nd(2)-O(8) bond length is 2.70 Å. There is one shorter (2.34 Å) and one longer (2.35 Å) Nd(2)-O(3) bond length. In the third Nd site, Nd(3) is bonded in a distorted body-centered cubic geometry to one O(10), one O(11), one O(2), one O(3), one O(4), one O(5), one O(6), and one O(8) atom. The Nd(3)-O(10) bond length is 2.71 Å. The Nd(3)-O(11) bond length is 2.35 Å. The Nd(3)-O(2) bond length is 2.70 Å. The Nd(3)-O(3) bond length is 2.34 Å. The Nd(3)-O(4) bond length is 2.35 Å. The Nd(3)-O(5) bond length is 2.71 Å. The Nd(3)-O(6) bond length is 2.34 Å. The Nd(3)-O(8) bond length is 2.70 Å. In the fourth Nd site, Nd(4) is bonded in a distorted body-centered cubic geometry to one O(10), one O(11), one O(12), one O(6), one O(7), one O(9), and two equivalent O(4) atoms. The Nd(4)-O(10) bond length is 2.71 Å. The Nd(4)-O(11) bond length is 2.34 Å. The Nd(4)-O(12) bond length is 2.71 Å. The Nd(4)-O(6) bond length is 2.35 Å. The Nd(4)-O(7) bond length is 2.71 Å. The Nd(4)-O(9) bond length is 2.71 Å. Both Nd(4)-O(4) bond lengths are 2.34 Å. There are three inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a rectangular see-saw-like geometry to one O(10), one O(2), one O(5), and one O(7) atom. The Cu(1)-O(10) bond length is 1.95 Å. The Cu(1)-O(2) bond length is 1.91 Å. The Cu(1)-O(5) bond length is 1.99 Å. The Cu(1)-O(7) bond length is 2.02 Å. In the second Cu site, Cu(2) is bonded in a rectangular see-saw-like geometry to one O(1), one O(12), one O(7), and one O(9) atom. The Cu(2)-O(1) bond length is 1.99 Å. The Cu(2)-O(12) bond length is 1.99 Å. The Cu(2)-O(7) bond length is 1.97 Å. The Cu(2)-O(9) bond length is 2.00 Å. In the third Cu site, Cu(3) is bonded in a rectangular see-saw-like geometry to one O(1), one O(10), one O(8), and one O(9) atom. The Cu(3)-O(1) bond length is 1.99 Å. The Cu(3)-O(10) bond length is 2.03 Å. The Cu(3)-O(8) bond length is 1.90 Å. The Cu(3)-O(9) bond length is 1.96 Å. There are twelve inequivalent O sites. In the first O site, O(1) is bonded to two equivalent Nd(1), two equivalent Nd(2), one Cu(2), and one Cu(3) atom to form distorted ONd4Cu2 octahedra that share  a cornercorner with one O(10)Nd4Cu2 octahedra,  a cornercorner with one O(12)Nd4Cu2 octahedra, corners with two equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(3)Nd4 tetrahedra, corners with six equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(2)LiNd4Cu octahedra,  an edgeedge with one O(1)Nd4Cu2 octahedra, edges with two equivalent O(3)Nd4 tetrahedra,  a faceface with one O(8)LiNd4Cu octahedra,  a faceface with one O(7)Nd4Cu2 octahedra, and faces with two equivalent O(9)Nd4Cu2 octahedra. The corner-sharing octahedral tilt angles range from 0-1°. In the second O site, O(2) is bonded to one Li(1), two equivalent Nd(2), two equivalent Nd(3), and one Cu(1) atom to form distorted OLiNd4Cu octahedra that share  a cornercorner with one O(2)LiNd4Cu octahedra,  a cornercorner with one O(10)Nd4Cu2 octahedra, corners with two equivalent O(11)Nd4 tetrahedra, corners with four equivalent O(4)Nd4 tetrahedra, corners with six equivalent O(3)Nd4 tetrahedra,  an edgeedge with one O(1)Nd4Cu2 octahedra,  an edgeedge with one O(10)Nd4Cu2 octahedra, edges with two equivalent O(6)Nd4 tetrahedra,  a faceface with one O(5)Nd4Cu2 octahedra,  a faceface with one O(7)Nd4Cu2 octahedra, and faces with two equivalent O(8)LiNd4Cu octahedra. The corner-sharing octahedra are not tilted. In the third O site, O(3) is bonded to one Nd(1), one Nd(3), and two equivalent Nd(2) atoms to form ONd4 tetrahedra that share  a cornercorner with one O(8)LiNd4Cu octahedra,  a cornercorner with one O(10)Nd4Cu2 octahedra,  a cornercorner with one O(5)Nd4Cu2 octahedra, corners with two equivalent O(1)Nd4Cu2 octahedra, corners with two equivalent O(7)Nd4Cu2 octahedra, corners with two equivalent O(9)Nd4Cu2 octahedra, corners with three equivalent O(2)LiNd4Cu octahedra,  a cornercorner with one O(11)Nd4 tetrahedra,  a cornercorner with one O(3)Nd4 tetrahedra,  a cornercorner with one O(4)Nd4 tetrahedra,  a cornercorner with one O(6)Nd4 tetrahedra,  an edgeedge with one O(8)LiNd4Cu octahedra,  an edgeedge with one O(1)Nd4Cu2 octahedra,  an edgeedge with one O(3)Nd4 tetrahedra,  an edgeedge with one O(4)Nd4 tetrahedra, and edges with two equivalent O(6)Nd4 tetrahedra. The corner-sharing octahedral tilt angles range from 10-71°. In the fourth O site, O(4) is bonded to one Nd(2), one Nd(3), and two equivalent Nd(4) atoms to form ONd4 tetrahedra that share  a cornercorner with one O(1)Nd4Cu2 octahedra,  a cornercorner with one O(10)Nd4Cu2 octahedra,  a cornercorner with one O(5)Nd4Cu2 octahedra,  a cornercorner with one O(7)Nd4Cu2 octahedra, corners with two equivalent O(2)LiNd4Cu octahedra, corners with two equivalent O(8)LiNd4Cu octahedra, corners with two equivalent O(12)Nd4Cu2 octahedra, corners with two equivalent O(9)Nd4Cu2 octahedra,  a cornercorner with one O(11)Nd4 tetrahedra,  a cornercorner with one O(3)Nd4 tetrahedra, corners with two equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(10)Nd4Cu2 octahedra,  an edgeedge with one O(7)Nd4Cu2 octahedra,  an edgeedge with one O(11)Nd4 tetrahedra,  an edgeedge with one O(3)Nd4 tetrahedra,  an edgeedge with one O(4)Nd4 tetrahedra, and  an edgeedge with one O(6)Nd4 tetrahedra. The corner-sharing octahedral tilt angles range from 11-71°. In the fifth O site, O(5) is bonded to four equivalent Nd(3) and two equivalent Cu(1) atoms to form distorted ONd4Cu2 octahedra that share corners with two equivalent O(7)Nd4Cu2 octahedra, corners with four equivalent O(3)Nd4 tetrahedra, corners with four equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(6)Nd4 tetrahedra, edges with two equivalent O(8)LiNd4Cu octahedra, edges with two equivalent O(11)Nd4 tetrahedra, faces with two equivalent O(2)LiNd4Cu octahedra, and faces with two equivalent O(10)Nd4Cu2 octahedra. The corner-sharing octahedra are not tilted. In the sixth O site, O(6) is bonded to one Nd(1), one Nd(2), one Nd(3), and one Nd(4) atom to form ONd4 tetrahedra that share  a cornercorner with one O(12)Nd4Cu2 octahedra,  a cornercorner with one O(5)Nd4Cu2 octahedra,  a cornercorner with one O(9)Nd4Cu2 octahedra, corners with two equivalent O(8)LiNd4Cu octahedra, corners with two equivalent O(10)Nd4Cu2 octahedra, corners with two equivalent O(7)Nd4Cu2 octahedra, corners with three equivalent O(1)Nd4Cu2 octahedra,  a cornercorner with one O(3)Nd4 tetrahedra,  a cornercorner with one O(6)Nd4 tetrahedra, corners with two equivalent O(4)Nd4 tetrahedra,  an edgeedge with one O(2)LiNd4Cu octahedra,  an edgeedge with one O(9)Nd4Cu2 octahedra,  an edgeedge with one O(11)Nd4 tetrahedra,  an edgeedge with one O(4)Nd4 tetrahedra, and edges with two equivalent O(3)Nd4 tetrahedra. The corner-sharing octahedral tilt angles range from 10-69°. In the seventh O site, O(7) is bonded to two equivalent Nd(2), two equivalent Nd(4), one Cu(1), and one Cu(2) atom to form distorted ONd4Cu2 octahedra that share  a cornercorner with one O(5)Nd4Cu2 octahedra,  a cornercorner with one O(9)Nd4Cu2 octahedra, corners with two equivalent O(11)Nd4 tetrahedra, corners with two equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(3)Nd4 tetrahedra, corners with four equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(8)LiNd4Cu octahedra,  an edgeedge with one O(9)Nd4Cu2 octahedra, edges with two equivalent O(4)Nd4 tetrahedra,  a faceface with one O(2)LiNd4Cu octahedra,  a faceface with one O(1)Nd4Cu2 octahedra,  a faceface with one O(10)Nd4Cu2 octahedra, and  a faceface with one O(12)Nd4Cu2 octahedra. The corner-sharing octahedra are not tilted. In the eighth O site, O(8) is bonded to one Li(1), two equivalent Nd(2), two equivalent Nd(3), and one Cu(3) atom to form distorted OLiNd4Cu octahedra that share  a cornercorner with one O(8)LiNd4Cu octahedra,  a cornercorner with one O(9)Nd4Cu2 octahedra, corners with two equivalent O(11)Nd4 tetrahedra, corners with two equivalent O(3)Nd4 tetrahedra, corners with four equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(5)Nd4Cu2 octahedra,  an edgeedge with one O(7)Nd4Cu2 octahedra, edges with two equivalent O(3)Nd4 tetrahedra,  a faceface with one O(1)Nd4Cu2 octahedra,  a faceface with one O(10)Nd4Cu2 octahedra, and faces with two equivalent O(2)LiNd4Cu octahedra. The corner-sharing octahedra are not tilted. In the ninth O site, O(9) is bonded to two equivalent Nd(1), two equivalent Nd(4), one Cu(2), and one Cu(3) atom to form distorted ONd4Cu2 octahedra that share  a cornercorner with one O(8)LiNd4Cu octahedra,  a cornercorner with one O(7)Nd4Cu2 octahedra, corners with two equivalent O(11)Nd4 tetrahedra, corners with two equivalent O(6)Nd4 tetrahedra, corners with four equivalent O(3)Nd4 tetrahedra, corners with four equivalent O(4)Nd4 tetrahedra,  an edgeedge with one O(7)Nd4Cu2 octahedra,  an edgeedge with one O(9)Nd4Cu2 octahedra, edges with two equivalent O(6)Nd4 tetrahedra,  a faceface with one O(10)Nd4Cu2 octahedra,  a faceface with one O(12)Nd4Cu2 octahedra, and faces with two equivalent O(1)Nd4Cu2 octahedra. The corner-sharing octahedra are not tilted. In the tenth O site, O(10) is bonded to two equivalent Nd(3), two equivalent Nd(4), one Cu(1), and one Cu(3) atom to form distorted ONd4Cu2 octahedra that share  a cornercorner with one O(2)LiNd4Cu octahedra,  a cornercorner with one O(1)Nd4Cu2 octahedra, corners with two equivalent O(3)Nd4 tetrahedra, corners with two equivalent O(4)Nd4 tetrahedra, corners with four equivalent O(11)Nd4 tetrahedra, corners with four equivalent O(6)Nd4 tetrahedra,  an edgeedge with one O(2)LiNd4Cu octahedra,  an edgeedge with one O(12)Nd4Cu2 octahedra, edges with two equivalent O(4)Nd4 tetrahedra,  a faceface with one O(8)LiNd4Cu octahedra,  a faceface with one O(5)Nd4Cu2 octahedra,  a faceface with one O(7)Nd4Cu2 octahedra, and  a faceface with one O(9)Nd4Cu2 octahedra. The corner-sharing octahedra are not tilted. In the eleventh O site, O(11) is bonded to two equivalent Nd(3) and two equivalent Nd(4) atoms to form ONd4 tetrahedra that share corners with two equivalent O(2)LiNd4Cu octahedra, corners with two equivalent O(8)LiNd4Cu octahedra, corners with two equivalent O(7)Nd4Cu2 octahedra, corners with two equivalent O(9)Nd4Cu2 octahedra, corners with four equivalent O(10)Nd4Cu2 octahedra, corners with two equivalent O(3)Nd4 tetrahedra, corners with two equivalent O(4)Nd4 tetrahedra,  an edgeedge with one O(12)Nd4Cu2 octahedra,  an edgeedge with one O(5)Nd4Cu2 octahedra, edges with two equivalent O(4)Nd4 tetrahedra, and edges with two equivalent O(6)Nd4 tetrahedra. The corner-sharing octahedral tilt angles range from 11-71°. In the twelfth O site, O(12) is bonded to four equivalent Nd(4) and two equivalent Cu(2) atoms to form distorted ONd4Cu2 octahedra that share corners with two equivalent O(1)Nd4Cu2 octahedra, corners with four equivalent O(6)Nd4 tetrahedra, corners with eight equivalent O(4)Nd4 tetrahedra, edges with two equivalent O(10)Nd4Cu2 octahedra, edges with two equivalent O(11)Nd4 tetrahedra, faces with two equivalent O(7)Nd4Cu2 octahedra, and faces with two equivalent O(9)Nd4Cu2 octahedra. The corner-sharing octahedral tilt angles are 1°.