BiYbO3 crystallizes in the triclinic P1 space group. There are eight inequivalent Yb sites. In the first Yb site, Yb(1) is bonded to one O(1), one O(17), one O(18), one O(2), one O(21), and one O(6) atom to form distorted YbO6 octahedra that share  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Yb(2)O5 square pyramid,  a cornercorner with one Yb(3)O5 trigonal bipyramid,  an edgeedge with one Bi(1)O6 octahedra, and  an edgeedge with one Bi(2)O6 octahedra. The corner-sharing octahedral tilt angles are 65°. In the second Yb site, Yb(2) is bonded to one O(1), one O(20), one O(23), one O(4), and one O(5) atom to form distorted YbO5 square pyramids that share  a cornercorner with one Yb(1)O6 octahedra,  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid,  an edgeedge with one Bi(1)O6 octahedra,  an edgeedge with one Bi(7)O6 octahedra, and  an edgeedge with one Yb(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 66-68°. In the third Yb site, Yb(3) is bonded to one O(10), one O(4), one O(5), one O(6), and one O(7) atom to form distorted YbO5 trigonal bipyramids that share  a cornercorner with one Yb(1)O6 octahedra,  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid, and  an edgeedge with one Yb(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 54-65°. In the fourth Yb site, Yb(4) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(12), one O(14), one O(22), one O(5), and one O(9) atom. In the fifth Yb site, Yb(5) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(15), one O(16), one O(6), and one O(7) atom. In the sixth Yb site, Yb(6) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(16), one O(17), one O(21), and one O(8) atom. In the seventh Yb site, Yb(7) is bonded in a 7-coordinate geometry to one O(12), one O(13), one O(16), one O(17), one O(22), one O(23), and one O(24) atom. In the eighth Yb site, Yb(8) is bonded in a 7-coordinate geometry to one O(11), one O(19), one O(21), one O(22), one O(23), one O(3), and one O(4) atom. There are eight inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(2), one O(20), one O(21), one O(3), one O(5), and one O(9) atom to form distorted BiO6 octahedra that share  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Yb(3)O5 trigonal bipyramid,  an edgeedge with one Yb(1)O6 octahedra,  an edgeedge with one Yb(2)O5 square pyramid, and  an edgeedge with one Bi(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 29-61°. In the second Bi site, Bi(2) is bonded to one O(1), one O(14), one O(18), one O(22), one O(24), and one O(3) atom to form distorted BiO6 octahedra that share  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Yb(2)O5 square pyramid,  a cornercorner with one Bi(4)O5 square pyramid, and  an edgeedge with one Yb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-48°. In the third Bi site, Bi(3) is bonded in a distorted see-saw-like geometry to one O(2), one O(24), one O(7), and one O(8) atom. In the fourth Bi site, Bi(4) is bonded to one O(12), one O(13), one O(3), one O(4), and one O(9) atom to form distorted BiO5 square pyramids that share  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Yb(2)O5 square pyramid,  a cornercorner with one Yb(3)O5 trigonal bipyramid, and  an edgeedge with one Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-58°. In the fifth Bi site, Bi(5) is bonded in a 6-coordinate geometry to one O(13), one O(14), one O(15), one O(17), one O(18), and one O(8) atom. In the sixth Bi site, Bi(6) is bonded to one O(11), one O(15), one O(19), one O(6), one O(8), and one O(9) atom to form distorted BiO6 octahedra that share  a cornercorner with one Yb(1)O6 octahedra,  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid, and  a cornercorner with one Yb(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 44-65°. In the seventh Bi site, Bi(7) is bonded to one O(10), one O(13), one O(14), one O(19), one O(20), and one O(23) atom to form BiO6 octahedra that share  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid,  a cornercorner with one Yb(3)O5 trigonal bipyramid, and  an edgeedge with one Yb(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 29-47°. In the eighth Bi site, Bi(8) is bonded in a 5-coordinate geometry to one O(15), one O(16), one O(18), one O(19), and one O(24) atom. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded to one Yb(1), one Yb(2), one Yb(5), and one Bi(2) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(6)Yb3Bi tetrahedra, and  an edgeedge with one O(18)YbBi3 tetrahedra. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Yb(1), one Bi(1), and one Bi(3) atom. In the third O site, O(3) is bonded to one Yb(8), one Bi(1), one Bi(2), and one Bi(4) atom to form OYbBi3 trigonal pyramids that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  an edgeedge with one O(21)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(4)Yb3Bi tetrahedra, and  an edgeedge with one O(9)YbBi3 trigonal pyramid. In the fourth O site, O(4) is bonded to one Yb(2), one Yb(3), one Yb(8), and one Bi(4) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(23)Yb3Bi tetrahedra,  an edgeedge with one O(5)Yb3Bi tetrahedra, and  an edgeedge with one O(3)YbBi3 trigonal pyramid. In the fifth O site, O(5) is bonded to one Yb(2), one Yb(3), one Yb(4), and one Bi(1) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(10)Yb3Bi tetrahedra,  an edgeedge with one O(4)Yb3Bi tetrahedra, and  an edgeedge with one O(9)YbBi3 trigonal pyramid. In the sixth O site, O(6) is bonded to one Yb(1), one Yb(3), one Yb(5), and one Bi(6) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(1)Yb3Bi tetrahedra, and  an edgeedge with one O(15)YbBi3 tetrahedra. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Yb(3), one Yb(5), and one Bi(3) atom. In the eighth O site, O(8) is bonded to one Yb(6), one Bi(3), one Bi(5), and one Bi(6) atom to form distorted OYbBi3 tetrahedra that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra, and  an edgeedge with one O(15)YbBi3 tetrahedra. In the ninth O site, O(9) is bonded to one Yb(4), one Bi(1), one Bi(4), and one Bi(6) atom to form distorted OYbBi3 trigonal pyramids that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(12)Yb3Bi tetrahedra,  an edgeedge with one O(5)Yb3Bi tetrahedra, and  an edgeedge with one O(3)YbBi3 trigonal pyramid. In the tenth O site, O(10) is bonded to one Yb(3), one Yb(4), one Yb(6), and one Bi(7) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(5)Yb3Bi tetrahedra, and  an edgeedge with one O(14)YbBi3 tetrahedra. In the eleventh O site, O(11) is bonded to one Yb(4), one Yb(6), one Yb(8), and one Bi(6) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(10)Yb3Bi tetrahedra,  an edgeedge with one O(21)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(19)YbBi3 tetrahedra,  an edgeedge with one O(8)YbBi3 tetrahedra, and  an edgeedge with one O(9)YbBi3 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Yb(4), one Yb(5), one Yb(7), and one Bi(4) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(16)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(13)YbBi3 trigonal pyramid, and  an edgeedge with one O(9)YbBi3 trigonal pyramid. In the thirteenth O site, O(13) is bonded to one Yb(7), one Bi(4), one Bi(5), and one Bi(7) atom to form distorted OYbBi3 trigonal pyramids that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(12)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra,  an edgeedge with one O(23)Yb3Bi tetrahedra, and  an edgeedge with one O(14)YbBi3 tetrahedra. In the fourteenth O site, O(14) is bonded to one Yb(4), one Bi(2), one Bi(5), and one Bi(7) atom to form OYbBi3 tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(10)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(18)YbBi3 tetrahedra, and  an edgeedge with one O(13)YbBi3 trigonal pyramid. In the fifteenth O site, O(15) is bonded to one Yb(5), one Bi(5), one Bi(6), and one Bi(8) atom to form OYbBi3 tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(16)Yb3Bi tetrahedra,  an edgeedge with one O(6)Yb3Bi tetrahedra,  an edgeedge with one O(18)YbBi3 tetrahedra,  an edgeedge with one O(19)YbBi3 tetrahedra, and  an edgeedge with one O(8)YbBi3 tetrahedra. In the sixteenth O site, O(16) is bonded to one Yb(5), one Yb(6), one Yb(7), and one Bi(8) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  an edgeedge with one O(12)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra,  an edgeedge with one O(15)YbBi3 tetrahedra, and  an edgeedge with one O(24)YbBi3 trigonal pyramid. In the seventeenth O site, O(17) is bonded to one Yb(1), one Yb(6), one Yb(7), and one Bi(5) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  an edgeedge with one O(16)Yb3Bi tetrahedra,  an edgeedge with one O(21)Yb3Bi tetrahedra,  an edgeedge with one O(18)YbBi3 tetrahedra,  an edgeedge with one O(8)YbBi3 tetrahedra, and  an edgeedge with one O(13)YbBi3 trigonal pyramid. In the eighteenth O site, O(18) is bonded to one Yb(1), one Bi(2), one Bi(5), and one Bi(8) atom to form OYbBi3 tetrahedra that share  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(1)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra,  an edgeedge with one O(14)YbBi3 tetrahedra,  an edgeedge with one O(15)YbBi3 tetrahedra, and  an edgeedge with one O(24)YbBi3 trigonal pyramid. In the nineteenth O site, O(19) is bonded to one Yb(8), one Bi(6), one Bi(7), and one Bi(8) atom to form distorted OYbBi3 tetrahedra that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(23)Yb3Bi tetrahedra, and  an edgeedge with one O(15)YbBi3 tetrahedra. In the twentieth O site, O(20) is bonded in a T-shaped geometry to one Yb(2), one Bi(1), and one Bi(7) atom. In the twenty-first O site, O(21) is bonded to one Yb(1), one Yb(6), one Yb(8), and one Bi(1) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra, and  an edgeedge with one O(3)YbBi3 trigonal pyramid. In the twenty-second O site, O(22) is bonded to one Yb(4), one Yb(7), one Yb(8), and one Bi(2) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(12)Yb3Bi tetrahedra,  an edgeedge with one O(23)Yb3Bi tetrahedra,  an edgeedge with one O(14)YbBi3 tetrahedra,  an edgeedge with one O(24)YbBi3 trigonal pyramid, and  an edgeedge with one O(3)YbBi3 trigonal pyramid. In the twenty-third O site, O(23) is bonded to one Yb(2), one Yb(7), one Yb(8), and one Bi(7) atom to form distorted OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(4)Yb3Bi tetrahedra,  an edgeedge with one O(19)YbBi3 tetrahedra, and  an edgeedge with one O(13)YbBi3 trigonal pyramid. In the twenty-fourth O site, O(24) is bonded to one Yb(7), one Bi(2), one Bi(3), and one Bi(8) atom to form distorted OYbBi3 trigonal pyramids that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(16)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra, and  an edgeedge with one O(18)YbBi3 tetrahedra.
BiYbO3 crystallizes in the triclinic P1 space group. There are eight inequivalent Yb sites. In the first Yb site, Yb(1) is bonded to one O(1), one O(17), one O(18), one O(2), one O(21), and one O(6) atom to form distorted YbO6 octahedra that share  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Yb(2)O5 square pyramid,  a cornercorner with one Yb(3)O5 trigonal bipyramid,  an edgeedge with one Bi(1)O6 octahedra, and  an edgeedge with one Bi(2)O6 octahedra. The corner-sharing octahedral tilt angles are 65°. The Yb(1)-O(1) bond length is 2.55 Å. The Yb(1)-O(17) bond length is 2.35 Å. The Yb(1)-O(18) bond length is 2.31 Å. The Yb(1)-O(2) bond length is 2.34 Å. The Yb(1)-O(21) bond length is 2.38 Å. The Yb(1)-O(6) bond length is 2.47 Å. In the second Yb site, Yb(2) is bonded to one O(1), one O(20), one O(23), one O(4), and one O(5) atom to form distorted YbO5 square pyramids that share  a cornercorner with one Yb(1)O6 octahedra,  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid,  an edgeedge with one Bi(1)O6 octahedra,  an edgeedge with one Bi(7)O6 octahedra, and  an edgeedge with one Yb(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 66-68°. The Yb(2)-O(1) bond length is 2.55 Å. The Yb(2)-O(20) bond length is 2.41 Å. The Yb(2)-O(23) bond length is 2.23 Å. The Yb(2)-O(4) bond length is 2.27 Å. The Yb(2)-O(5) bond length is 2.30 Å. In the third Yb site, Yb(3) is bonded to one O(10), one O(4), one O(5), one O(6), and one O(7) atom to form distorted YbO5 trigonal bipyramids that share  a cornercorner with one Yb(1)O6 octahedra,  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid, and  an edgeedge with one Yb(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 54-65°. The Yb(3)-O(10) bond length is 2.23 Å. The Yb(3)-O(4) bond length is 2.35 Å. The Yb(3)-O(5) bond length is 2.38 Å. The Yb(3)-O(6) bond length is 2.48 Å. The Yb(3)-O(7) bond length is 2.27 Å. In the fourth Yb site, Yb(4) is bonded in a 7-coordinate geometry to one O(10), one O(11), one O(12), one O(14), one O(22), one O(5), and one O(9) atom. The Yb(4)-O(10) bond length is 2.59 Å. The Yb(4)-O(11) bond length is 2.25 Å. The Yb(4)-O(12) bond length is 2.36 Å. The Yb(4)-O(14) bond length is 2.60 Å. The Yb(4)-O(22) bond length is 2.32 Å. The Yb(4)-O(5) bond length is 2.42 Å. The Yb(4)-O(9) bond length is 2.63 Å. In the fifth Yb site, Yb(5) is bonded in a 6-coordinate geometry to one O(1), one O(12), one O(15), one O(16), one O(6), and one O(7) atom. The Yb(5)-O(1) bond length is 2.62 Å. The Yb(5)-O(12) bond length is 2.30 Å. The Yb(5)-O(15) bond length is 2.32 Å. The Yb(5)-O(16) bond length is 2.41 Å. The Yb(5)-O(6) bond length is 2.48 Å. The Yb(5)-O(7) bond length is 2.23 Å. In the sixth Yb site, Yb(6) is bonded in a 6-coordinate geometry to one O(10), one O(11), one O(16), one O(17), one O(21), and one O(8) atom. The Yb(6)-O(10) bond length is 2.46 Å. The Yb(6)-O(11) bond length is 2.35 Å. The Yb(6)-O(16) bond length is 2.32 Å. The Yb(6)-O(17) bond length is 2.38 Å. The Yb(6)-O(21) bond length is 2.51 Å. The Yb(6)-O(8) bond length is 2.45 Å. In the seventh Yb site, Yb(7) is bonded in a 7-coordinate geometry to one O(12), one O(13), one O(16), one O(17), one O(22), one O(23), and one O(24) atom. The Yb(7)-O(12) bond length is 2.36 Å. The Yb(7)-O(13) bond length is 2.61 Å. The Yb(7)-O(16) bond length is 2.37 Å. The Yb(7)-O(17) bond length is 2.38 Å. The Yb(7)-O(22) bond length is 2.31 Å. The Yb(7)-O(23) bond length is 2.54 Å. The Yb(7)-O(24) bond length is 2.60 Å. In the eighth Yb site, Yb(8) is bonded in a 7-coordinate geometry to one O(11), one O(19), one O(21), one O(22), one O(23), one O(3), and one O(4) atom. The Yb(8)-O(11) bond length is 2.40 Å. The Yb(8)-O(19) bond length is 2.56 Å. The Yb(8)-O(21) bond length is 2.38 Å. The Yb(8)-O(22) bond length is 2.26 Å. The Yb(8)-O(23) bond length is 2.47 Å. The Yb(8)-O(3) bond length is 2.57 Å. The Yb(8)-O(4) bond length is 2.49 Å. There are eight inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(2), one O(20), one O(21), one O(3), one O(5), and one O(9) atom to form distorted BiO6 octahedra that share  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Yb(3)O5 trigonal bipyramid,  an edgeedge with one Yb(1)O6 octahedra,  an edgeedge with one Yb(2)O5 square pyramid, and  an edgeedge with one Bi(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 29-61°. The Bi(1)-O(2) bond length is 2.18 Å. The Bi(1)-O(20) bond length is 2.20 Å. The Bi(1)-O(21) bond length is 2.09 Å. The Bi(1)-O(3) bond length is 2.23 Å. The Bi(1)-O(5) bond length is 2.12 Å. The Bi(1)-O(9) bond length is 2.26 Å. In the second Bi site, Bi(2) is bonded to one O(1), one O(14), one O(18), one O(22), one O(24), and one O(3) atom to form distorted BiO6 octahedra that share  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Yb(2)O5 square pyramid,  a cornercorner with one Bi(4)O5 square pyramid, and  an edgeedge with one Yb(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 47-48°. The Bi(2)-O(1) bond length is 2.13 Å. The Bi(2)-O(14) bond length is 2.17 Å. The Bi(2)-O(18) bond length is 2.19 Å. The Bi(2)-O(22) bond length is 2.10 Å. The Bi(2)-O(24) bond length is 2.19 Å. The Bi(2)-O(3) bond length is 2.24 Å. In the third Bi site, Bi(3) is bonded in a distorted see-saw-like geometry to one O(2), one O(24), one O(7), and one O(8) atom. The Bi(3)-O(2) bond length is 2.11 Å. The Bi(3)-O(24) bond length is 2.27 Å. The Bi(3)-O(7) bond length is 2.05 Å. The Bi(3)-O(8) bond length is 2.30 Å. In the fourth Bi site, Bi(4) is bonded to one O(12), one O(13), one O(3), one O(4), and one O(9) atom to form distorted BiO5 square pyramids that share  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Yb(2)O5 square pyramid,  a cornercorner with one Yb(3)O5 trigonal bipyramid, and  an edgeedge with one Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-58°. The Bi(4)-O(12) bond length is 2.25 Å. The Bi(4)-O(13) bond length is 2.22 Å. The Bi(4)-O(3) bond length is 2.37 Å. The Bi(4)-O(4) bond length is 2.30 Å. The Bi(4)-O(9) bond length is 2.23 Å. In the fifth Bi site, Bi(5) is bonded in a 6-coordinate geometry to one O(13), one O(14), one O(15), one O(17), one O(18), and one O(8) atom. The Bi(5)-O(13) bond length is 2.70 Å. The Bi(5)-O(14) bond length is 2.42 Å. The Bi(5)-O(15) bond length is 2.34 Å. The Bi(5)-O(17) bond length is 2.08 Å. The Bi(5)-O(18) bond length is 2.31 Å. The Bi(5)-O(8) bond length is 2.50 Å. In the sixth Bi site, Bi(6) is bonded to one O(11), one O(15), one O(19), one O(6), one O(8), and one O(9) atom to form distorted BiO6 octahedra that share  a cornercorner with one Yb(1)O6 octahedra,  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(7)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid, and  a cornercorner with one Yb(3)O5 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 44-65°. The Bi(6)-O(11) bond length is 2.07 Å. The Bi(6)-O(15) bond length is 2.17 Å. The Bi(6)-O(19) bond length is 2.24 Å. The Bi(6)-O(6) bond length is 2.08 Å. The Bi(6)-O(8) bond length is 2.19 Å. The Bi(6)-O(9) bond length is 2.30 Å. In the seventh Bi site, Bi(7) is bonded to one O(10), one O(13), one O(14), one O(19), one O(20), and one O(23) atom to form BiO6 octahedra that share  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one Bi(6)O6 octahedra,  a cornercorner with one Bi(4)O5 square pyramid,  a cornercorner with one Yb(3)O5 trigonal bipyramid, and  an edgeedge with one Yb(2)O5 square pyramid. The corner-sharing octahedral tilt angles range from 29-47°. The Bi(7)-O(10) bond length is 2.09 Å. The Bi(7)-O(13) bond length is 2.15 Å. The Bi(7)-O(14) bond length is 2.17 Å. The Bi(7)-O(19) bond length is 2.16 Å. The Bi(7)-O(20) bond length is 2.24 Å. The Bi(7)-O(23) bond length is 2.11 Å. In the eighth Bi site, Bi(8) is bonded in a 5-coordinate geometry to one O(15), one O(16), one O(18), one O(19), and one O(24) atom. The Bi(8)-O(15) bond length is 2.28 Å. The Bi(8)-O(16) bond length is 2.07 Å. The Bi(8)-O(18) bond length is 2.31 Å. The Bi(8)-O(19) bond length is 2.49 Å. The Bi(8)-O(24) bond length is 2.53 Å. There are twenty-four inequivalent O sites. In the first O site, O(1) is bonded to one Yb(1), one Yb(2), one Yb(5), and one Bi(2) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(6)Yb3Bi tetrahedra, and  an edgeedge with one O(18)YbBi3 tetrahedra. In the second O site, O(2) is bonded in a distorted trigonal non-coplanar geometry to one Yb(1), one Bi(1), and one Bi(3) atom. In the third O site, O(3) is bonded to one Yb(8), one Bi(1), one Bi(2), and one Bi(4) atom to form OYbBi3 trigonal pyramids that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  an edgeedge with one O(21)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(4)Yb3Bi tetrahedra, and  an edgeedge with one O(9)YbBi3 trigonal pyramid. In the fourth O site, O(4) is bonded to one Yb(2), one Yb(3), one Yb(8), and one Bi(4) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(23)Yb3Bi tetrahedra,  an edgeedge with one O(5)Yb3Bi tetrahedra, and  an edgeedge with one O(3)YbBi3 trigonal pyramid. In the fifth O site, O(5) is bonded to one Yb(2), one Yb(3), one Yb(4), and one Bi(1) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(10)Yb3Bi tetrahedra,  an edgeedge with one O(4)Yb3Bi tetrahedra, and  an edgeedge with one O(9)YbBi3 trigonal pyramid. In the sixth O site, O(6) is bonded to one Yb(1), one Yb(3), one Yb(5), and one Bi(6) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(1)Yb3Bi tetrahedra, and  an edgeedge with one O(15)YbBi3 tetrahedra. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Yb(3), one Yb(5), and one Bi(3) atom. In the eighth O site, O(8) is bonded to one Yb(6), one Bi(3), one Bi(5), and one Bi(6) atom to form distorted OYbBi3 tetrahedra that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra, and  an edgeedge with one O(15)YbBi3 tetrahedra. In the ninth O site, O(9) is bonded to one Yb(4), one Bi(1), one Bi(4), and one Bi(6) atom to form distorted OYbBi3 trigonal pyramids that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(12)Yb3Bi tetrahedra,  an edgeedge with one O(5)Yb3Bi tetrahedra, and  an edgeedge with one O(3)YbBi3 trigonal pyramid. In the tenth O site, O(10) is bonded to one Yb(3), one Yb(4), one Yb(6), and one Bi(7) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(5)Yb3Bi tetrahedra, and  an edgeedge with one O(14)YbBi3 tetrahedra. In the eleventh O site, O(11) is bonded to one Yb(4), one Yb(6), one Yb(8), and one Bi(6) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(10)Yb3Bi tetrahedra,  an edgeedge with one O(21)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(19)YbBi3 tetrahedra,  an edgeedge with one O(8)YbBi3 tetrahedra, and  an edgeedge with one O(9)YbBi3 trigonal pyramid. In the twelfth O site, O(12) is bonded to one Yb(4), one Yb(5), one Yb(7), and one Bi(4) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(16)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(13)YbBi3 trigonal pyramid, and  an edgeedge with one O(9)YbBi3 trigonal pyramid. In the thirteenth O site, O(13) is bonded to one Yb(7), one Bi(4), one Bi(5), and one Bi(7) atom to form distorted OYbBi3 trigonal pyramids that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(12)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra,  an edgeedge with one O(23)Yb3Bi tetrahedra, and  an edgeedge with one O(14)YbBi3 tetrahedra. In the fourteenth O site, O(14) is bonded to one Yb(4), one Bi(2), one Bi(5), and one Bi(7) atom to form OYbBi3 tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(10)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(18)YbBi3 tetrahedra, and  an edgeedge with one O(13)YbBi3 trigonal pyramid. In the fifteenth O site, O(15) is bonded to one Yb(5), one Bi(5), one Bi(6), and one Bi(8) atom to form OYbBi3 tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(16)Yb3Bi tetrahedra,  an edgeedge with one O(6)Yb3Bi tetrahedra,  an edgeedge with one O(18)YbBi3 tetrahedra,  an edgeedge with one O(19)YbBi3 tetrahedra, and  an edgeedge with one O(8)YbBi3 tetrahedra. In the sixteenth O site, O(16) is bonded to one Yb(5), one Yb(6), one Yb(7), and one Bi(8) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  an edgeedge with one O(12)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra,  an edgeedge with one O(15)YbBi3 tetrahedra, and  an edgeedge with one O(24)YbBi3 trigonal pyramid. In the seventeenth O site, O(17) is bonded to one Yb(1), one Yb(6), one Yb(7), and one Bi(5) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  an edgeedge with one O(16)Yb3Bi tetrahedra,  an edgeedge with one O(21)Yb3Bi tetrahedra,  an edgeedge with one O(18)YbBi3 tetrahedra,  an edgeedge with one O(8)YbBi3 tetrahedra, and  an edgeedge with one O(13)YbBi3 trigonal pyramid. In the eighteenth O site, O(18) is bonded to one Yb(1), one Bi(2), one Bi(5), and one Bi(8) atom to form OYbBi3 tetrahedra that share  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(1)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra,  an edgeedge with one O(14)YbBi3 tetrahedra,  an edgeedge with one O(15)YbBi3 tetrahedra, and  an edgeedge with one O(24)YbBi3 trigonal pyramid. In the nineteenth O site, O(19) is bonded to one Yb(8), one Bi(6), one Bi(7), and one Bi(8) atom to form distorted OYbBi3 tetrahedra that share  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(23)Yb3Bi tetrahedra, and  an edgeedge with one O(15)YbBi3 tetrahedra. In the twentieth O site, O(20) is bonded in a T-shaped geometry to one Yb(2), one Bi(1), and one Bi(7) atom. In the twenty-first O site, O(21) is bonded to one Yb(1), one Yb(6), one Yb(8), and one Bi(1) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(22)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(6)Yb3Bi tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(17)Yb3Bi tetrahedra, and  an edgeedge with one O(3)YbBi3 trigonal pyramid. In the twenty-second O site, O(22) is bonded to one Yb(4), one Yb(7), one Yb(8), and one Bi(2) atom to form OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(4)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(18)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(9)YbBi3 trigonal pyramid,  an edgeedge with one O(11)Yb3Bi tetrahedra,  an edgeedge with one O(12)Yb3Bi tetrahedra,  an edgeedge with one O(23)Yb3Bi tetrahedra,  an edgeedge with one O(14)YbBi3 tetrahedra,  an edgeedge with one O(24)YbBi3 trigonal pyramid, and  an edgeedge with one O(3)YbBi3 trigonal pyramid. In the twenty-third O site, O(23) is bonded to one Yb(2), one Yb(7), one Yb(8), and one Bi(7) atom to form distorted OYb3Bi tetrahedra that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(10)Yb3Bi tetrahedra,  a cornercorner with one O(11)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(16)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(21)Yb3Bi tetrahedra,  a cornercorner with one O(5)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(24)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(22)Yb3Bi tetrahedra,  an edgeedge with one O(4)Yb3Bi tetrahedra,  an edgeedge with one O(19)YbBi3 tetrahedra, and  an edgeedge with one O(13)YbBi3 trigonal pyramid. In the twenty-fourth O site, O(24) is bonded to one Yb(7), one Bi(2), one Bi(3), and one Bi(8) atom to form distorted OYbBi3 trigonal pyramids that share  a cornercorner with one O(1)Yb3Bi tetrahedra,  a cornercorner with one O(12)Yb3Bi tetrahedra,  a cornercorner with one O(17)Yb3Bi tetrahedra,  a cornercorner with one O(23)Yb3Bi tetrahedra,  a cornercorner with one O(14)YbBi3 tetrahedra,  a cornercorner with one O(15)YbBi3 tetrahedra,  a cornercorner with one O(19)YbBi3 tetrahedra,  a cornercorner with one O(8)YbBi3 tetrahedra,  a cornercorner with one O(13)YbBi3 trigonal pyramid,  a cornercorner with one O(3)YbBi3 trigonal pyramid,  an edgeedge with one O(16)Yb3Bi tetrahedra,  an edgeedge with one O(22)Yb3Bi tetrahedra, and  an edgeedge with one O(18)YbBi3 tetrahedra.