U2WB6 crystallizes in the orthorhombic Pbam space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 17-coordinate geometry to three equivalent W(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), two equivalent B(6), and four equivalent B(1) atoms. In the second U site, U(2) is bonded in a 15-coordinate geometry to one U(2), two equivalent W(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), and four equivalent B(6) atoms. W(1) is bonded in a 15-coordinate geometry to two equivalent U(2), three equivalent U(1), two equivalent B(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), and two equivalent B(5) atoms. There are six inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to four equivalent U(1), two equivalent W(1), one B(1), one B(2), and one B(5) atom. In the second B site, B(2) is bonded in a 9-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent W(1), one B(1), one B(3), and one B(6) atom. In the third B site, B(3) is bonded in a 9-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent W(1), one B(2), one B(4), and one B(5) atom. In the fourth B site, B(4) is bonded in a 9-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent W(1), one B(3), one B(5), and one B(6) atom. In the fifth B site, B(5) is bonded in a 9-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent W(1), one B(1), one B(3), and one B(4) atom. In the sixth B site, B(6) is bonded in a 8-coordinate geometry to two equivalent U(1), four equivalent U(2), one B(2), and one B(4) atom.
U2WB6 crystallizes in the orthorhombic Pbam space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 17-coordinate geometry to three equivalent W(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), two equivalent B(6), and four equivalent B(1) atoms. There are a spread of U(1)-W(1) bond distances ranging from 3.05-3.13 Å. Both U(1)-B(2) bond lengths are 2.75 Å. Both U(1)-B(3) bond lengths are 2.77 Å. Both U(1)-B(4) bond lengths are 2.77 Å. Both U(1)-B(5) bond lengths are 2.72 Å. Both U(1)-B(6) bond lengths are 2.64 Å. There are two shorter (2.74 Å) and two longer (2.80 Å) U(1)-B(1) bond lengths. In the second U site, U(2) is bonded in a 15-coordinate geometry to one U(2), two equivalent W(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), two equivalent B(5), and four equivalent B(6) atoms. The U(2)-U(2) bond length is 2.53 Å. Both U(2)-W(1) bond lengths are 3.01 Å. Both U(2)-B(2) bond lengths are 2.72 Å. Both U(2)-B(3) bond lengths are 2.71 Å. Both U(2)-B(4) bond lengths are 2.70 Å. Both U(2)-B(5) bond lengths are 2.74 Å. All U(2)-B(6) bond lengths are 2.63 Å. W(1) is bonded in a 15-coordinate geometry to two equivalent U(2), three equivalent U(1), two equivalent B(1), two equivalent B(2), two equivalent B(3), two equivalent B(4), and two equivalent B(5) atoms. Both W(1)-B(1) bond lengths are 2.41 Å. Both W(1)-B(2) bond lengths are 2.37 Å. Both W(1)-B(3) bond lengths are 2.42 Å. Both W(1)-B(4) bond lengths are 2.39 Å. Both W(1)-B(5) bond lengths are 2.41 Å. There are six inequivalent B sites. In the first B site, B(1) is bonded in a 9-coordinate geometry to four equivalent U(1), two equivalent W(1), one B(1), one B(2), and one B(5) atom. The B(1)-B(1) bond length is 1.78 Å. The B(1)-B(2) bond length is 1.80 Å. The B(1)-B(5) bond length is 1.83 Å. In the second B site, B(2) is bonded in a 9-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent W(1), one B(1), one B(3), and one B(6) atom. The B(2)-B(3) bond length is 1.81 Å. The B(2)-B(6) bond length is 1.69 Å. In the third B site, B(3) is bonded in a 9-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent W(1), one B(2), one B(4), and one B(5) atom. The B(3)-B(4) bond length is 1.77 Å. The B(3)-B(5) bond length is 1.79 Å. In the fourth B site, B(4) is bonded in a 9-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent W(1), one B(3), one B(5), and one B(6) atom. The B(4)-B(5) bond length is 1.83 Å. The B(4)-B(6) bond length is 1.68 Å. In the fifth B site, B(5) is bonded in a 9-coordinate geometry to two equivalent U(1), two equivalent U(2), two equivalent W(1), one B(1), one B(3), and one B(4) atom. In the sixth B site, B(6) is bonded in a 8-coordinate geometry to two equivalent U(1), four equivalent U(2), one B(2), and one B(4) atom.