Na3Sr4La3Ti10O30 crystallizes in the orthorhombic Fmm2 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(10), one O(11), one O(6), one O(9), two equivalent O(4), two equivalent O(8), and four equivalent O(3) atoms to form distorted NaO12 cuboctahedra that share corners with four equivalent Na(1)O12 cuboctahedra, corners with four equivalent Na(2)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Ti(2)O6 octahedra. In the second Na site, Na(2) is bonded to two equivalent O(11), two equivalent O(9), four equivalent O(7), and four equivalent O(8) atoms to form distorted NaO12 cuboctahedra that share corners with four equivalent Na(2)O12 cuboctahedra, corners with eight equivalent Na(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, and faces with eight equivalent Ti(2)O6 octahedra. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(10), one O(6), two equivalent O(1), two equivalent O(4), two equivalent O(5), and four equivalent O(2) atoms to form distorted SrO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra,  a faceface with one Na(1)O12 cuboctahedra, faces with five equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Ti(3)O6 octahedra. In the second Sr site, Sr(2) is bonded to one O(10), one O(6), two equivalent O(1), two equivalent O(4), two equivalent O(5), and four equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with four equivalent Na(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra,  a faceface with one La(1)O12 cuboctahedra, faces with five equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Ti(3)O6 octahedra. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(10), one O(11), one O(6), one O(9), two equivalent O(4), two equivalent O(8), and four equivalent O(3) atoms to form distorted LaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra, corners with four equivalent La(2)O12 cuboctahedra,  a faceface with one Na(2)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with four equivalent Na(1)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Ti(2)O6 octahedra. In the second La site, La(2) is bonded to two equivalent O(11), two equivalent O(9), four equivalent O(7), and four equivalent O(8) atoms to form distorted LaO12 cuboctahedra that share corners with four equivalent La(2)O12 cuboctahedra, corners with eight equivalent La(1)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, and faces with eight equivalent Ti(2)O6 octahedra. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(2), one O(3), one O(6), and two equivalent O(4) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 3-18°. In the second Ti site, Ti(2) is bonded to one O(11), one O(3), one O(7), one O(9), and two equivalent O(8) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(1)O6 octahedra, corners with five equivalent Ti(2)O6 octahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with two equivalent Na(2)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-19°. In the third Ti site, Ti(3) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Ti(3)O6 octahedra, faces with four equivalent Sr(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Ti(3) atoms. In the second O site, O(2) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), one Ti(1), and one Ti(3) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Na(1), two equivalent La(1), one Ti(1), and one Ti(2) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Na(1), one Sr(1), one Sr(2), one La(1), and two equivalent Ti(1) atoms. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Ti(3) atoms. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Na(1), one Sr(1), one Sr(2), one La(1), and two equivalent Ti(1) atoms. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to two equivalent Na(2), two equivalent La(2), and two equivalent Ti(2) atoms. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Na(1), one Na(2), one La(1), one La(2), and two equivalent Ti(2) atoms. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one La(1), one La(2), and two equivalent Ti(2) atoms. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Na(1), one Sr(1), one Sr(2), one La(1), and two equivalent Ti(1) atoms. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one La(1), one La(2), and two equivalent Ti(2) atoms.
Na3Sr4La3Ti10O30 crystallizes in the orthorhombic Fmm2 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to one O(10), one O(11), one O(6), one O(9), two equivalent O(4), two equivalent O(8), and four equivalent O(3) atoms to form distorted NaO12 cuboctahedra that share corners with four equivalent Na(1)O12 cuboctahedra, corners with four equivalent Na(2)O12 cuboctahedra, corners with four equivalent Sr(2)O12 cuboctahedra,  a faceface with one Sr(1)O12 cuboctahedra,  a faceface with one La(2)O12 cuboctahedra, faces with four equivalent La(1)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Ti(2)O6 octahedra. The Na(1)-O(10) bond length is 2.63 Å. The Na(1)-O(11) bond length is 2.97 Å. The Na(1)-O(6) bond length is 2.93 Å. The Na(1)-O(9) bond length is 2.60 Å. Both Na(1)-O(4) bond lengths are 2.77 Å. Both Na(1)-O(8) bond lengths are 2.76 Å. There are two shorter (2.61 Å) and two longer (2.97 Å) Na(1)-O(3) bond lengths. In the second Na site, Na(2) is bonded to two equivalent O(11), two equivalent O(9), four equivalent O(7), and four equivalent O(8) atoms to form distorted NaO12 cuboctahedra that share corners with four equivalent Na(2)O12 cuboctahedra, corners with eight equivalent Na(1)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, faces with four equivalent La(2)O12 cuboctahedra, and faces with eight equivalent Ti(2)O6 octahedra. Both Na(2)-O(11) bond lengths are 2.60 Å. Both Na(2)-O(9) bond lengths are 2.96 Å. There are two shorter (2.60 Å) and two longer (2.98 Å) Na(2)-O(7) bond lengths. All Na(2)-O(8) bond lengths are 2.76 Å. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to one O(10), one O(6), two equivalent O(1), two equivalent O(4), two equivalent O(5), and four equivalent O(2) atoms to form distorted SrO12 cuboctahedra that share corners with four equivalent La(1)O12 cuboctahedra, corners with eight equivalent Sr(1)O12 cuboctahedra,  a faceface with one Na(1)O12 cuboctahedra, faces with five equivalent Sr(2)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Ti(3)O6 octahedra. The Sr(1)-O(10) bond length is 3.02 Å. The Sr(1)-O(6) bond length is 2.62 Å. Both Sr(1)-O(1) bond lengths are 2.79 Å. Both Sr(1)-O(4) bond lengths are 2.82 Å. There is one shorter (2.66 Å) and one longer (2.95 Å) Sr(1)-O(5) bond length. There are two shorter (2.65 Å) and two longer (2.91 Å) Sr(1)-O(2) bond lengths. In the second Sr site, Sr(2) is bonded to one O(10), one O(6), two equivalent O(1), two equivalent O(4), two equivalent O(5), and four equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with four equivalent Na(1)O12 cuboctahedra, corners with eight equivalent Sr(2)O12 cuboctahedra,  a faceface with one La(1)O12 cuboctahedra, faces with five equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Ti(3)O6 octahedra. The Sr(2)-O(10) bond length is 2.95 Å. The Sr(2)-O(6) bond length is 2.64 Å. Both Sr(2)-O(1) bond lengths are 2.77 Å. Both Sr(2)-O(4) bond lengths are 2.77 Å. There is one shorter (2.66 Å) and one longer (2.90 Å) Sr(2)-O(5) bond length. There are two shorter (2.65 Å) and two longer (2.91 Å) Sr(2)-O(2) bond lengths. There are two inequivalent La sites. In the first La site, La(1) is bonded to one O(10), one O(11), one O(6), one O(9), two equivalent O(4), two equivalent O(8), and four equivalent O(3) atoms to form distorted LaO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, corners with four equivalent La(1)O12 cuboctahedra, corners with four equivalent La(2)O12 cuboctahedra,  a faceface with one Na(2)O12 cuboctahedra,  a faceface with one Sr(2)O12 cuboctahedra, faces with four equivalent Na(1)O12 cuboctahedra, faces with four equivalent Ti(1)O6 octahedra, and faces with four equivalent Ti(2)O6 octahedra. The La(1)-O(10) bond length is 2.55 Å. The La(1)-O(11) bond length is 3.04 Å. The La(1)-O(6) bond length is 2.90 Å. The La(1)-O(9) bond length is 2.53 Å. Both La(1)-O(4) bond lengths are 2.70 Å. Both La(1)-O(8) bond lengths are 2.76 Å. There are two shorter (2.53 Å) and two longer (3.04 Å) La(1)-O(3) bond lengths. In the second La site, La(2) is bonded to two equivalent O(11), two equivalent O(9), four equivalent O(7), and four equivalent O(8) atoms to form distorted LaO12 cuboctahedra that share corners with four equivalent La(2)O12 cuboctahedra, corners with eight equivalent La(1)O12 cuboctahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with four equivalent Na(2)O12 cuboctahedra, and faces with eight equivalent Ti(2)O6 octahedra. Both La(2)-O(11) bond lengths are 2.51 Å. Both La(2)-O(9) bond lengths are 3.04 Å. There are two shorter (2.52 Å) and two longer (3.05 Å) La(2)-O(7) bond lengths. All La(2)-O(8) bond lengths are 2.75 Å. There are three inequivalent Ti sites. In the first Ti site, Ti(1) is bonded to one O(10), one O(2), one O(3), one O(6), and two equivalent O(4) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(2)O6 octahedra,  a cornercorner with one Ti(3)O6 octahedra, corners with four equivalent Ti(1)O6 octahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with two equivalent Sr(1)O12 cuboctahedra, faces with two equivalent Sr(2)O12 cuboctahedra, and faces with two equivalent La(1)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 3-18°. The Ti(1)-O(10) bond length is 1.98 Å. The Ti(1)-O(2) bond length is 1.99 Å. The Ti(1)-O(3) bond length is 1.96 Å. The Ti(1)-O(6) bond length is 1.96 Å. There is one shorter (1.97 Å) and one longer (1.98 Å) Ti(1)-O(4) bond length. In the second Ti site, Ti(2) is bonded to one O(11), one O(3), one O(7), one O(9), and two equivalent O(8) atoms to form TiO6 octahedra that share  a cornercorner with one Ti(1)O6 octahedra, corners with five equivalent Ti(2)O6 octahedra, faces with two equivalent Na(1)O12 cuboctahedra, faces with two equivalent Na(2)O12 cuboctahedra, faces with two equivalent La(1)O12 cuboctahedra, and faces with two equivalent La(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-19°. The Ti(2)-O(11) bond length is 1.99 Å. The Ti(2)-O(3) bond length is 1.96 Å. The Ti(2)-O(7) bond length is 1.97 Å. The Ti(2)-O(9) bond length is 1.98 Å. Both Ti(2)-O(8) bond lengths are 1.97 Å. In the third Ti site, Ti(3) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(5) atoms to form TiO6 octahedra that share corners with two equivalent Ti(1)O6 octahedra, corners with four equivalent Ti(3)O6 octahedra, faces with four equivalent Sr(1)O12 cuboctahedra, and faces with four equivalent Sr(2)O12 cuboctahedra. The corner-sharing octahedral tilt angles range from 0-11°. Both Ti(3)-O(1) bond lengths are 1.97 Å. Both Ti(3)-O(2) bond lengths are 1.99 Å. Both Ti(3)-O(5) bond lengths are 1.96 Å. There are eleven inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Ti(3) atoms. In the second O site, O(2) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), one Ti(1), and one Ti(3) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Na(1), two equivalent La(1), one Ti(1), and one Ti(2) atom. In the fourth O site, O(4) is bonded in a distorted linear geometry to one Na(1), one Sr(1), one Sr(2), one La(1), and two equivalent Ti(1) atoms. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Ti(3) atoms. In the sixth O site, O(6) is bonded in a 2-coordinate geometry to one Na(1), one Sr(1), one Sr(2), one La(1), and two equivalent Ti(1) atoms. In the seventh O site, O(7) is bonded in a 4-coordinate geometry to two equivalent Na(2), two equivalent La(2), and two equivalent Ti(2) atoms. In the eighth O site, O(8) is bonded in a distorted linear geometry to one Na(1), one Na(2), one La(1), one La(2), and two equivalent Ti(2) atoms. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one La(1), one La(2), and two equivalent Ti(2) atoms. In the tenth O site, O(10) is bonded in a 2-coordinate geometry to one Na(1), one Sr(1), one Sr(2), one La(1), and two equivalent Ti(1) atoms. In the eleventh O site, O(11) is bonded in a 4-coordinate geometry to one Na(1), one Na(2), one La(1), one La(2), and two equivalent Ti(2) atoms.