LaY(Rh3B2)2 crystallizes in the orthorhombic Pmmm space group. La(1) is bonded in a 20-coordinate geometry to two equivalent La(1), four equivalent Rh(2), eight equivalent Rh(3), two equivalent B(1), and four equivalent B(2) atoms. Y(1) is bonded in a 20-coordinate geometry to two equivalent Y(1), four equivalent Rh(1), eight equivalent Rh(3), two equivalent B(2), and four equivalent B(1) atoms. There are three inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a distorted square co-planar geometry to four equivalent Y(1) and four equivalent B(1) atoms. In the second Rh site, Rh(2) is bonded in a distorted square co-planar geometry to four equivalent La(1) and four equivalent B(2) atoms. In the third Rh site, Rh(3) is bonded in a distorted square co-planar geometry to two equivalent La(1), two equivalent Y(1), two equivalent B(1), and two equivalent B(2) atoms. There are two inequivalent B sites. In the first B site, B(1) is bonded in a 6-coordinate geometry to one La(1), two equivalent Y(1), two equivalent Rh(1), and four equivalent Rh(3) atoms. In the second B site, B(2) is bonded in a 6-coordinate geometry to two equivalent La(1), one Y(1), two equivalent Rh(2), and four equivalent Rh(3) atoms.
LaY(Rh3B2)2 crystallizes in the orthorhombic Pmmm space group. La(1) is bonded in a 20-coordinate geometry to two equivalent La(1), four equivalent Rh(2), eight equivalent Rh(3), two equivalent B(1), and four equivalent B(2) atoms. Both La(1)-La(1) bond lengths are 3.13 Å. All La(1)-Rh(2) bond lengths are 3.17 Å. All La(1)-Rh(3) bond lengths are 3.21 Å. Both La(1)-B(1) bond lengths are 3.18 Å. All La(1)-B(2) bond lengths are 3.18 Å. Y(1) is bonded in a 20-coordinate geometry to two equivalent Y(1), four equivalent Rh(1), eight equivalent Rh(3), two equivalent B(2), and four equivalent B(1) atoms. Both Y(1)-Y(1) bond lengths are 3.13 Å. All Y(1)-Rh(1) bond lengths are 3.17 Å. All Y(1)-Rh(3) bond lengths are 3.13 Å. Both Y(1)-B(2) bond lengths are 3.18 Å. All Y(1)-B(1) bond lengths are 3.17 Å. There are three inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a distorted square co-planar geometry to four equivalent Y(1) and four equivalent B(1) atoms. All Rh(1)-B(1) bond lengths are 2.23 Å. In the second Rh site, Rh(2) is bonded in a distorted square co-planar geometry to four equivalent La(1) and four equivalent B(2) atoms. All Rh(2)-B(2) bond lengths are 2.23 Å. In the third Rh site, Rh(3) is bonded in a distorted square co-planar geometry to two equivalent La(1), two equivalent Y(1), two equivalent B(1), and two equivalent B(2) atoms. Both Rh(3)-B(1) bond lengths are 2.23 Å. Both Rh(3)-B(2) bond lengths are 2.24 Å. There are two inequivalent B sites. In the first B site, B(1) is bonded in a 6-coordinate geometry to one La(1), two equivalent Y(1), two equivalent Rh(1), and four equivalent Rh(3) atoms. In the second B site, B(2) is bonded in a 6-coordinate geometry to two equivalent La(1), one Y(1), two equivalent Rh(2), and four equivalent Rh(3) atoms.