NaCaScZn(SiO3)4 is Esseneite-derived structured and crystallizes in the monoclinic P2/c space group. Na(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. Ca(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Sc(1) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms to form ScO6 octahedra that share corners with two equivalent Si(1)O4 tetrahedra, corners with four equivalent Si(2)O4 tetrahedra, and edges with two equivalent Zn(1)O6 octahedra. Zn(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form ZnO6 octahedra that share corners with two equivalent Si(2)O4 tetrahedra, corners with four equivalent Si(1)O4 tetrahedra, and edges with two equivalent Sc(1)O6 octahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Sc(1)O6 octahedra, corners with two equivalent Zn(1)O6 octahedra, and corners with two equivalent Si(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-59°. In the second Si site, Si(2) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Zn(1)O6 octahedra, corners with two equivalent Sc(1)O6 octahedra, and corners with two equivalent Si(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 33-59°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Na(1), one Ca(1), one Si(1), and one Si(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Ca(1), one Zn(1), and one Si(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ca(1), one Sc(1), one Zn(1), and one Si(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Na(1), one Ca(1), one Si(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Na(1), one Sc(1), and one Si(2) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Sc(1), one Zn(1), and one Si(2) atom.
NaCaScZn(SiO3)4 is Esseneite-derived structured and crystallizes in the monoclinic P2/c space group. Na(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(4), two equivalent O(5), and two equivalent O(6) atoms. Both Na(1)-O(1) bond lengths are 2.59 Å. Both Na(1)-O(4) bond lengths are 2.87 Å. Both Na(1)-O(5) bond lengths are 2.42 Å. Both Na(1)-O(6) bond lengths are 2.45 Å. Ca(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(4) atoms. Both Ca(1)-O(1) bond lengths are 2.84 Å. Both Ca(1)-O(2) bond lengths are 2.36 Å. Both Ca(1)-O(3) bond lengths are 2.41 Å. Both Ca(1)-O(4) bond lengths are 2.55 Å. Sc(1) is bonded to two equivalent O(3), two equivalent O(5), and two equivalent O(6) atoms to form ScO6 octahedra that share corners with two equivalent Si(1)O4 tetrahedra, corners with four equivalent Si(2)O4 tetrahedra, and edges with two equivalent Zn(1)O6 octahedra. Both Sc(1)-O(3) bond lengths are 2.23 Å. Both Sc(1)-O(5) bond lengths are 2.04 Å. Both Sc(1)-O(6) bond lengths are 2.11 Å. Zn(1) is bonded to two equivalent O(2), two equivalent O(3), and two equivalent O(6) atoms to form ZnO6 octahedra that share corners with two equivalent Si(2)O4 tetrahedra, corners with four equivalent Si(1)O4 tetrahedra, and edges with two equivalent Sc(1)O6 octahedra. Both Zn(1)-O(2) bond lengths are 2.07 Å. Both Zn(1)-O(3) bond lengths are 2.14 Å. Both Zn(1)-O(6) bond lengths are 2.20 Å. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded to one O(1), one O(2), one O(3), and one O(4) atom to form SiO4 tetrahedra that share  a cornercorner with one Sc(1)O6 octahedra, corners with two equivalent Zn(1)O6 octahedra, and corners with two equivalent Si(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 35-59°. The Si(1)-O(1) bond length is 1.67 Å. The Si(1)-O(2) bond length is 1.61 Å. The Si(1)-O(3) bond length is 1.64 Å. The Si(1)-O(4) bond length is 1.69 Å. In the second Si site, Si(2) is bonded to one O(1), one O(4), one O(5), and one O(6) atom to form SiO4 tetrahedra that share  a cornercorner with one Zn(1)O6 octahedra, corners with two equivalent Sc(1)O6 octahedra, and corners with two equivalent Si(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 33-59°. The Si(2)-O(1) bond length is 1.68 Å. The Si(2)-O(4) bond length is 1.68 Å. The Si(2)-O(5) bond length is 1.61 Å. The Si(2)-O(6) bond length is 1.62 Å. There are six inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Na(1), one Ca(1), one Si(1), and one Si(2) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Ca(1), one Zn(1), and one Si(1) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Ca(1), one Sc(1), one Zn(1), and one Si(1) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Na(1), one Ca(1), one Si(1), and one Si(2) atom. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Na(1), one Sc(1), and one Si(2) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Na(1), one Sc(1), one Zn(1), and one Si(2) atom.