ZnSO4 crystallizes in the orthorhombic Pnma space group. Zn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form ZnO6 octahedra that share corners with six equivalent S(1)O4 tetrahedra and edges with two equivalent Zn(1)O6 octahedra. S(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form SO4 tetrahedra that share corners with six equivalent Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one S(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Zn(1) and one S(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to two equivalent Zn(1) and one S(1) atom.
ZnSO4 crystallizes in the orthorhombic Pnma space group. Zn(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form ZnO6 octahedra that share corners with six equivalent S(1)O4 tetrahedra and edges with two equivalent Zn(1)O6 octahedra. Both Zn(1)-O(1) bond lengths are 1.97 Å. Both Zn(1)-O(2) bond lengths are 2.28 Å. Both Zn(1)-O(3) bond lengths are 2.10 Å. S(1) is bonded to one O(2), one O(3), and two equivalent O(1) atoms to form SO4 tetrahedra that share corners with six equivalent Zn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 44-54°. The S(1)-O(2) bond length is 1.48 Å. The S(1)-O(3) bond length is 1.50 Å. Both S(1)-O(1) bond lengths are 1.46 Å. There are three inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Zn(1) and one S(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Zn(1) and one S(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to two equivalent Zn(1) and one S(1) atom.