Mn2Sn crystallizes in the hexagonal P6_3/mmc space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 14-coordinate geometry to two equivalent Mn(1), six equivalent Mn(2), and six equivalent Sn(1) atoms. In the second Mn site, Mn(2) is bonded to six equivalent Mn(1) and five equivalent Sn(1) atoms to form a mixture of corner and face-sharing MnMn6Sn5 trigonal bipyramids. Sn(1) is bonded in a 11-coordinate geometry to five equivalent Mn(2) and six equivalent Mn(1) atoms.
Mn2Sn crystallizes in the hexagonal P6_3/mmc space group. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded in a 14-coordinate geometry to two equivalent Mn(1), six equivalent Mn(2), and six equivalent Sn(1) atoms. Both Mn(1)-Mn(1) bond lengths are 2.75 Å. All Mn(1)-Mn(2) bond lengths are 2.94 Å. All Mn(1)-Sn(1) bond lengths are 2.94 Å. In the second Mn site, Mn(2) is bonded to six equivalent Mn(1) and five equivalent Sn(1) atoms to form a mixture of corner and face-sharing MnMn6Sn5 trigonal bipyramids. There are three shorter (2.60 Å) and two longer (2.75 Å) Mn(2)-Sn(1) bond lengths. Sn(1) is bonded in a 11-coordinate geometry to five equivalent Mn(2) and six equivalent Mn(1) atoms.