CeMnSn2 crystallizes in the orthorhombic Cmcm space group. Ce(1) is bonded in a 14-coordinate geometry to four equivalent Mn(1), four equivalent Sn(2), and six equivalent Sn(1) atoms. Mn(1) is bonded in a 5-coordinate geometry to four equivalent Ce(1), one Sn(1), and four equivalent Sn(2) atoms. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a distorted single-bond geometry to six equivalent Ce(1) and one Mn(1) atom. In the second Sn site, Sn(2) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Mn(1) atoms.
CeMnSn2 crystallizes in the orthorhombic Cmcm space group. Ce(1) is bonded in a 14-coordinate geometry to four equivalent Mn(1), four equivalent Sn(2), and six equivalent Sn(1) atoms. All Ce(1)-Mn(1) bond lengths are 3.57 Å. There are two shorter (3.38 Å) and two longer (3.52 Å) Ce(1)-Sn(2) bond lengths. There are four shorter (3.53 Å) and two longer (3.61 Å) Ce(1)-Sn(1) bond lengths. Mn(1) is bonded in a 5-coordinate geometry to four equivalent Ce(1), one Sn(1), and four equivalent Sn(2) atoms. The Mn(1)-Sn(1) bond length is 2.53 Å. There are two shorter (2.61 Å) and two longer (2.65 Å) Mn(1)-Sn(2) bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a distorted single-bond geometry to six equivalent Ce(1) and one Mn(1) atom. In the second Sn site, Sn(2) is bonded in a 4-coordinate geometry to four equivalent Ce(1) and four equivalent Mn(1) atoms.