Eu3Sb5O12 crystallizes in the cubic I-43m space group. There are eleven inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the second Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the third Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the fourth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the fifth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the sixth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the seventh Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the eighth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the ninth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the tenth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. In the eleventh Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. There are nineteen inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the second Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the third Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the fourth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the fifth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the sixth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. In the seventh Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. In the eighth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. In the ninth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. In the tenth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the eleventh Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the twelfth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the thirteenth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the fourteenth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the fifteenth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. In the sixteenth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. In the seventeenth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. In the eighteenth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. In the nineteenth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to two Eu(1,1) and one Sb(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two Eu(1,1); one Sb(1); and one Sb(2) atom.
Eu3Sb5O12 crystallizes in the cubic I-43m space group. There are eleven inequivalent Eu sites. In the first Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the second Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the third Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the fourth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the fifth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the sixth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the seventh Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the eighth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the ninth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the tenth Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. In the eleventh Eu site, Eu(1) is bonded in a distorted body-centered cubic geometry to four equivalent O(1) and four equivalent O(2) atoms. All Eu(1)-O(1) bond lengths are 2.36 Å. All Eu(1)-O(2) bond lengths are 2.69 Å. There are nineteen inequivalent Sb sites. In the first Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the second Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the third Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the fourth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the fifth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the sixth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Sb(2)-O(2) bond lengths are 2.02 Å. In the seventh Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Sb(2)-O(2) bond lengths are 2.02 Å. In the eighth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Sb(2)-O(2) bond lengths are 2.02 Å. In the ninth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Sb(2)-O(2) bond lengths are 2.02 Å. In the tenth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the eleventh Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the twelfth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the thirteenth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the fourteenth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the fifteenth Sb site, Sb(1) is bonded in a 4-coordinate geometry to two equivalent O(1) and two equivalent O(2) atoms. Both Sb(1)-O(1) bond lengths are 1.99 Å. Both Sb(1)-O(2) bond lengths are 2.22 Å. In the sixteenth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Sb(2)-O(2) bond lengths are 2.02 Å. In the seventeenth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Sb(2)-O(2) bond lengths are 2.02 Å. In the eighteenth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Sb(2)-O(2) bond lengths are 2.02 Å. In the nineteenth Sb site, Sb(2) is bonded in a 3-coordinate geometry to three equivalent O(2) atoms. All Sb(2)-O(2) bond lengths are 2.02 Å. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to two Eu(1,1) and one Sb(1) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to two Eu(1,1); one Sb(1); and one Sb(2) atom.