Ce2OsRu3Si4 crystallizes in the tetragonal P-4m2 space group. Ce(1) is bonded in a 16-coordinate geometry to two equivalent Os(1), two equivalent Ru(1), two equivalent Ru(2), two equivalent Ru(3), four equivalent Si(1), and four equivalent Si(2) atoms. Os(1) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Si(1) atoms. There are three inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Si(2) atoms. In the second Ru site, Ru(2) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Si(1) atoms. In the third Ru site, Ru(3) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Si(2) atoms. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 4-coordinate geometry to four equivalent Ce(1), two equivalent Os(1), and two equivalent Ru(2) atoms. In the second Si site, Si(2) is bonded in a 4-coordinate geometry to four equivalent Ce(1), two equivalent Ru(1), and two equivalent Ru(3) atoms.
Ce2OsRu3Si4 crystallizes in the tetragonal P-4m2 space group. Ce(1) is bonded in a 16-coordinate geometry to two equivalent Os(1), two equivalent Ru(1), two equivalent Ru(2), two equivalent Ru(3), four equivalent Si(1), and four equivalent Si(2) atoms. Both Ce(1)-Os(1) bond lengths are 3.20 Å. Both Ce(1)-Ru(1) bond lengths are 3.21 Å. Both Ce(1)-Ru(2) bond lengths are 3.20 Å. Both Ce(1)-Ru(3) bond lengths are 3.21 Å. All Ce(1)-Si(1) bond lengths are 3.23 Å. All Ce(1)-Si(2) bond lengths are 3.24 Å. Os(1) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Si(1) atoms. All Os(1)-Si(1) bond lengths are 2.40 Å. There are three inequivalent Ru sites. In the first Ru site, Ru(1) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Si(2) atoms. All Ru(1)-Si(2) bond lengths are 2.39 Å. In the second Ru site, Ru(2) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Si(1) atoms. All Ru(2)-Si(1) bond lengths are 2.40 Å. In the third Ru site, Ru(3) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Si(2) atoms. All Ru(3)-Si(2) bond lengths are 2.39 Å. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 4-coordinate geometry to four equivalent Ce(1), two equivalent Os(1), and two equivalent Ru(2) atoms. In the second Si site, Si(2) is bonded in a 4-coordinate geometry to four equivalent Ce(1), two equivalent Ru(1), and two equivalent Ru(3) atoms.