WZnAsO5 crystallizes in the monoclinic P2_1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(10), one O(2), one O(6), and one O(7) atom to form WO5 trigonal bipyramids that share  a cornercorner with one Zn(1)O5 trigonal bipyramid, corners with two equivalent W(2)O5 trigonal bipyramids, corners with two equivalent Zn(2)O5 trigonal bipyramids, and  an edgeedge with one Zn(1)O5 trigonal bipyramid. In the second W site, W(2) is bonded to one O(1), one O(2), one O(5), one O(8), and one O(9) atom to form WO5 trigonal bipyramids that share  a cornercorner with one Zn(2)O5 trigonal bipyramid, corners with two equivalent W(1)O5 trigonal bipyramids, corners with two equivalent Zn(1)O5 trigonal bipyramids, and  an edgeedge with one Zn(2)O5 trigonal bipyramid. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(3), one O(6), one O(7), and one O(9) atom to form ZnO5 trigonal bipyramids that share  a cornercorner with one W(1)O5 trigonal bipyramid, corners with two equivalent W(2)O5 trigonal bipyramids, and  an edgeedge with one W(1)O5 trigonal bipyramid. In the second Zn site, Zn(2) is bonded to one O(10), one O(2), one O(4), one O(5), and one O(8) atom to form distorted ZnO5 trigonal bipyramids that share  a cornercorner with one W(2)O5 trigonal bipyramid, corners with two equivalent W(1)O5 trigonal bipyramids, and  an edgeedge with one W(2)O5 trigonal bipyramid. There are two inequivalent As sites. In the first As site, As(1) is bonded in a distorted T-shaped geometry to one O(3), one O(5), and one O(7) atom. In the second As site, As(2) is bonded in a distorted T-shaped geometry to one O(4), one O(6), and one O(8) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one W(1), one W(2), and one Zn(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one W(1), one W(2), and one Zn(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one As(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(2) and one As(2) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one W(2), one Zn(2), and one As(1) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one W(1), one Zn(1), and one As(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one W(1), one Zn(1), and one As(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one W(2), one Zn(2), and one As(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one W(2) and one Zn(1) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one W(1) and one Zn(2) atom.
WZnAsO5 crystallizes in the monoclinic P2_1 space group. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(10), one O(2), one O(6), and one O(7) atom to form WO5 trigonal bipyramids that share  a cornercorner with one Zn(1)O5 trigonal bipyramid, corners with two equivalent W(2)O5 trigonal bipyramids, corners with two equivalent Zn(2)O5 trigonal bipyramids, and  an edgeedge with one Zn(1)O5 trigonal bipyramid. The W(1)-O(1) bond length is 2.02 Å. The W(1)-O(10) bond length is 1.82 Å. The W(1)-O(2) bond length is 2.02 Å. The W(1)-O(6) bond length is 2.04 Å. The W(1)-O(7) bond length is 1.97 Å. In the second W site, W(2) is bonded to one O(1), one O(2), one O(5), one O(8), and one O(9) atom to form WO5 trigonal bipyramids that share  a cornercorner with one Zn(2)O5 trigonal bipyramid, corners with two equivalent W(1)O5 trigonal bipyramids, corners with two equivalent Zn(1)O5 trigonal bipyramids, and  an edgeedge with one Zn(2)O5 trigonal bipyramid. The W(2)-O(1) bond length is 2.03 Å. The W(2)-O(2) bond length is 2.02 Å. The W(2)-O(5) bond length is 2.04 Å. The W(2)-O(8) bond length is 1.97 Å. The W(2)-O(9) bond length is 1.81 Å. There are two inequivalent Zn sites. In the first Zn site, Zn(1) is bonded to one O(1), one O(3), one O(6), one O(7), and one O(9) atom to form ZnO5 trigonal bipyramids that share  a cornercorner with one W(1)O5 trigonal bipyramid, corners with two equivalent W(2)O5 trigonal bipyramids, and  an edgeedge with one W(1)O5 trigonal bipyramid. The Zn(1)-O(1) bond length is 2.39 Å. The Zn(1)-O(3) bond length is 1.95 Å. The Zn(1)-O(6) bond length is 2.21 Å. The Zn(1)-O(7) bond length is 2.06 Å. The Zn(1)-O(9) bond length is 1.99 Å. In the second Zn site, Zn(2) is bonded to one O(10), one O(2), one O(4), one O(5), and one O(8) atom to form distorted ZnO5 trigonal bipyramids that share  a cornercorner with one W(2)O5 trigonal bipyramid, corners with two equivalent W(1)O5 trigonal bipyramids, and  an edgeedge with one W(2)O5 trigonal bipyramid. The Zn(2)-O(10) bond length is 1.99 Å. The Zn(2)-O(2) bond length is 2.51 Å. The Zn(2)-O(4) bond length is 1.94 Å. The Zn(2)-O(5) bond length is 2.17 Å. The Zn(2)-O(8) bond length is 2.05 Å. There are two inequivalent As sites. In the first As site, As(1) is bonded in a distorted T-shaped geometry to one O(3), one O(5), and one O(7) atom. The As(1)-O(3) bond length is 1.72 Å. The As(1)-O(5) bond length is 1.89 Å. The As(1)-O(7) bond length is 2.01 Å. In the second As site, As(2) is bonded in a distorted T-shaped geometry to one O(4), one O(6), and one O(8) atom. The As(2)-O(4) bond length is 1.72 Å. The As(2)-O(6) bond length is 1.87 Å. The As(2)-O(8) bond length is 2.04 Å. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted T-shaped geometry to one W(1), one W(2), and one Zn(1) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one W(1), one W(2), and one Zn(2) atom. In the third O site, O(3) is bonded in a bent 120 degrees geometry to one Zn(1) and one As(1) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Zn(2) and one As(2) atom. In the fifth O site, O(5) is bonded in a trigonal planar geometry to one W(2), one Zn(2), and one As(1) atom. In the sixth O site, O(6) is bonded in a trigonal planar geometry to one W(1), one Zn(1), and one As(2) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one W(1), one Zn(1), and one As(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one W(2), one Zn(2), and one As(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one W(2) and one Zn(1) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one W(1) and one Zn(2) atom.